{
  "_notice": {
    "type": "free_key_offer",
    "message": "Free and anonymous access is staying. If this endpoint is in your pipeline, a free key adds advance notice before any schema change or deprecation. POST /v1/keys {\"email\": \"you@firm.com\"} — nothing else required. Something broken or missing? hello@clearmarket.fyi reaches a human.",
    "docs": "https://clearmarket.fyi/for-data/",
    "policy": "This field is additive and its shape will not change."
  },
  "event_id": "CM-EVT-VWP9GBVJX7",
  "slug": "kxfirsthurricane-26dec01atl",
  "question": "What will be the name of the first hurricane in the Atlantic this year?",
  "category": "climate",
  "event_type": "BINARY",
  "ladder_distribution": null,
  "tags": [
    "climate",
    "atlantic-hurricanes",
    "weather-prediction",
    "annual-naming",
    "2026",
    "seasonal-forecasting"
  ],
  "catalyst_types": [],
  "catalyst_dates": [],
  "editorial_notes": "These markets track which named storm first reaches hurricane intensity in the 2026 Atlantic season. Each Kalshi contract covers a discrete name from the National Weather Service's official rotation list. The 21 binary contracts are mutually exclusive; exactly one name resolves Yes if a hurricane forms before December 1, 2026. Kalshi staff determination applies uniformly, referencing the National Weather Service as the authoritative source.",
  "venues_covered": [
    "kalshi"
  ],
  "primary_market_id": "CM-MKT-0ZTC5T6ZG6",
  "current_primary_mark": {
    "last_price": 0.46,
    "implied_probability": 0.46
  },
  "created_at": "2026-07-23T21:11:14.426158+00:00",
  "updated_at": "2026-07-23T21:11:14.426158+00:00",
  "markets": [
    {
      "market_id": "CM-MKT-NHTKGC44C1",
      "event_id": "CM-EVT-VWP9GBVJX7",
      "platform": "kalshi",
      "platform_market_id": "KXFIRSTHURRICANE-26DEC01ATL-ART",
      "question": "Will Arthur be the first named hurricane in the Atlantic in 2026?",
      "description": "Arthur",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Arthur: The National Weather Service's official hurricane naming list determines which storm becomes the first named Atlantic hurricane by December 1, 2026, with Kalshi staff confirming the designation.",
      "close_at": "2026-12-01T15:00:00Z",
      "resolve_at": "2026-12-01T15:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If a storm named Arthur is the first storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then the market resolves to Yes.\n\nThis market resolves Yes for the first named storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026. If there is no storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then all markets resolve to No.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "National Weather Service",
        "source_status": "platform_named",
        "source_citation": "https://www.weather.gov",
        "sources": [
          {
            "name": "National Weather Service",
            "url": "https://www.weather.gov",
            "provenance": "platform_api"
          },
          {
            "name": "National Oceanic and Atmospheric Administration",
            "url": "https://www.nhc.noaa.gov/",
            "provenance": "platform_api"
          }
        ],
        "source_of_record": "National Oceanic and Atmospheric Administration",
        "source_mechanism": "single_authority",
        "source_type": null,
        "source_quality": "authoritative",
        "source_commitment": "named",
        "source_commitment_subtype": "named",
        "source_hedge_text": null
      },
      "rcg": {
        "grade": "A",
        "score": 90,
        "caps": [],
        "applied_factors": 6
      },
      "last_price": 0.01,
      "implied_probability": 0.01,
      "volume_24h_usd": 10.287,
      "volume_total_usd": 1048.8391000000001,
      "settlement_style": "touch",
      "direction": null,
      "threshold": null,
      "question_id": null,
      "also_on": null,
      "tags": [
        "2026",
        "arthur",
        "atlantic",
        "atlantic hurricane",
        "hurricane"
      ],
      "eligibility_screens": null
    },
    {
      "market_id": "CM-MKT-Q9J4PKQVB7",
      "event_id": "CM-EVT-VWP9GBVJX7",
      "platform": "kalshi",
      "platform_market_id": "KXFIRSTHURRICANE-26DEC01ATL-BER",
      "question": "Will Bertha be the first named hurricane in the Atlantic in 2026?",
      "description": "Bertha",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Bertha: The National Weather Service's official hurricane naming list determines which storm becomes the first named Atlantic hurricane by December 1, 2026, with Kalshi staff confirming the designation.",
      "close_at": "2026-12-01T15:00:00Z",
      "resolve_at": "2026-12-01T15:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If a storm named Bertha is the first storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then the market resolves to Yes.\n\nThis market resolves Yes for the first named storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026. If there is no storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then all markets resolve to No.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "National Weather Service",
        "source_status": "platform_named",
        "source_citation": "https://www.weather.gov",
        "sources": [
          {
            "name": "National Weather Service",
            "url": "https://www.weather.gov",
            "provenance": "platform_api"
          },
          {
            "name": "National Oceanic and Atmospheric Administration",
            "url": "https://www.nhc.noaa.gov/",
            "provenance": "platform_api"
          }
        ],
        "source_of_record": "National Oceanic and Atmospheric Administration",
        "source_mechanism": "single_authority",
        "source_type": null,
        "source_quality": "authoritative",
        "source_commitment": "named",
        "source_commitment_subtype": "named",
        "source_hedge_text": null
      },
      "rcg": {
        "grade": "A",
        "score": 90,
        "caps": [],
        "applied_factors": 6
      },
      "last_price": 0.01,
      "implied_probability": 0.01,
      "volume_24h_usd": 29.315900000000003,
      "volume_total_usd": 1060.9552,
      "settlement_style": "touch",
      "direction": null,
      "threshold": null,
      "question_id": null,
      "also_on": null,
      "tags": [
        "2026",
        "atlantic",
        "atlantic hurricane",
        "bertha",
        "hurricane"
      ],
      "eligibility_screens": null
    },
    {
      "market_id": "CM-MKT-0ZTC5T6ZG6",
      "event_id": "CM-EVT-VWP9GBVJX7",
      "platform": "kalshi",
      "platform_market_id": "KXFIRSTHURRICANE-26DEC01ATL-CRI",
      "question": "Will Cristobal be the first named hurricane in the Atlantic in 2026?",
      "description": "Cristobal",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Cristobal: The National Weather Service's official hurricane naming list determines which storm becomes the first named Atlantic hurricane by December 1, 2026, with Kalshi staff confirming the designation.",
      "close_at": "2026-12-01T15:00:00Z",
      "resolve_at": "2026-12-01T15:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If a storm named Cristobal is the first storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then the market resolves to Yes.\n\nThis market resolves Yes for the first named storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026. If there is no storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then all markets resolve to No.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "National Weather Service",
        "source_status": "platform_named",
        "source_citation": "https://www.weather.gov",
        "sources": [
          {
            "name": "National Weather Service",
            "url": "https://www.weather.gov",
            "provenance": "platform_api"
          },
          {
            "name": "National Oceanic and Atmospheric Administration",
            "url": "https://www.nhc.noaa.gov/",
            "provenance": "platform_api"
          }
        ],
        "source_of_record": "National Oceanic and Atmospheric Administration",
        "source_mechanism": "single_authority",
        "source_type": null,
        "source_quality": "authoritative",
        "source_commitment": "named",
        "source_commitment_subtype": "named",
        "source_hedge_text": null
      },
      "rcg": {
        "grade": "A",
        "score": 90,
        "caps": [],
        "applied_factors": 6
      },
      "last_price": 0.46,
      "implied_probability": 0.46,
      "volume_24h_usd": 58.4798,
      "volume_total_usd": 3733.4566,
      "settlement_style": "touch",
      "direction": null,
      "threshold": null,
      "question_id": null,
      "also_on": null,
      "tags": [
        "2026",
        "atlantic",
        "atlantic hurricane",
        "cristobal",
        "hurricane"
      ],
      "eligibility_screens": null
    },
    {
      "market_id": "CM-MKT-B91T8SWG53",
      "event_id": "CM-EVT-VWP9GBVJX7",
      "platform": "kalshi",
      "platform_market_id": "KXFIRSTHURRICANE-26DEC01ATL-DOL",
      "question": "Will Dolly be the first named hurricane in the Atlantic in 2026?",
      "description": "Dolly",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Dolly: The National Weather Service's official hurricane naming list determines which storm becomes the first named Atlantic hurricane by December 1, 2026, with Kalshi staff confirming the designation.",
      "close_at": "2026-12-01T15:00:00Z",
      "resolve_at": "2026-12-01T15:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If a storm named Dolly is the first storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then the market resolves to Yes.\n\nThis market resolves Yes for the first named storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026. If there is no storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then all markets resolve to No.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "National Weather Service",
        "source_status": "platform_named",
        "source_citation": "https://www.weather.gov",
        "sources": [
          {
            "name": "National Weather Service",
            "url": "https://www.weather.gov",
            "provenance": "platform_api"
          },
          {
            "name": "National Oceanic and Atmospheric Administration",
            "url": "https://www.nhc.noaa.gov/",
            "provenance": "platform_api"
          }
        ],
        "source_of_record": "National Oceanic and Atmospheric Administration",
        "source_mechanism": "single_authority",
        "source_type": null,
        "source_quality": "authoritative",
        "source_commitment": "named",
        "source_commitment_subtype": "named",
        "source_hedge_text": null
      },
      "rcg": {
        "grade": "A",
        "score": 90,
        "caps": [],
        "applied_factors": 6
      },
      "last_price": 0.25,
      "implied_probability": 0.25,
      "volume_24h_usd": 59.59,
      "volume_total_usd": 2261.6775,
      "settlement_style": "touch",
      "direction": null,
      "threshold": null,
      "question_id": null,
      "also_on": null,
      "tags": [
        "2026",
        "atlantic",
        "atlantic hurricane",
        "dolly",
        "hurricane"
      ],
      "eligibility_screens": null
    },
    {
      "market_id": "CM-MKT-TNZXV1G5S3",
      "event_id": "CM-EVT-VWP9GBVJX7",
      "platform": "kalshi",
      "platform_market_id": "KXFIRSTHURRICANE-26DEC01ATL-EDO",
      "question": "Will Edouard be the first named hurricane in the Atlantic in 2026?",
      "description": "Edouard",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Edouard: The National Weather Service's official hurricane naming list determines which storm becomes the first named Atlantic hurricane by December 1, 2026, with Kalshi staff confirming the designation.",
      "close_at": "2026-12-01T15:00:00Z",
      "resolve_at": "2026-12-01T15:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If a storm named Edouard is the first storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then the market resolves to Yes.\n\nThis market resolves Yes for the first named storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026. If there is no storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then all markets resolve to No.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "National Weather Service",
        "source_status": "platform_named",
        "source_citation": "https://www.weather.gov",
        "sources": [
          {
            "name": "National Weather Service",
            "url": "https://www.weather.gov",
            "provenance": "platform_api"
          },
          {
            "name": "National Oceanic and Atmospheric Administration",
            "url": "https://www.nhc.noaa.gov/",
            "provenance": "platform_api"
          }
        ],
        "source_of_record": "National Oceanic and Atmospheric Administration",
        "source_mechanism": "single_authority",
        "source_type": null,
        "source_quality": "authoritative",
        "source_commitment": "named",
        "source_commitment_subtype": "named",
        "source_hedge_text": null
      },
      "rcg": {
        "grade": "A",
        "score": 90,
        "caps": [],
        "applied_factors": 6
      },
      "last_price": 0.13,
      "implied_probability": 0.13,
      "volume_24h_usd": 30.317300000000003,
      "volume_total_usd": 772.0596,
      "settlement_style": "touch",
      "direction": null,
      "threshold": null,
      "question_id": null,
      "also_on": null,
      "tags": [
        "2026",
        "atlantic",
        "atlantic hurricane",
        "edouard",
        "hurricane"
      ],
      "eligibility_screens": null
    },
    {
      "market_id": "CM-MKT-F86HD77C10",
      "event_id": "CM-EVT-VWP9GBVJX7",
      "platform": "kalshi",
      "platform_market_id": "KXFIRSTHURRICANE-26DEC01ATL-FAY",
      "question": "Will Fay be the first named hurricane in the Atlantic in 2026?",
      "description": "Fay",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Fay: The National Weather Service's official hurricane naming list determines which storm becomes the first named Atlantic hurricane by December 1, 2026, with Kalshi staff confirming the designation.",
      "close_at": "2026-12-01T15:00:00Z",
      "resolve_at": "2026-12-01T15:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If a storm named Fay is the first storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then the market resolves to Yes.\n\nThis market resolves Yes for the first named storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026. If there is no storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then all markets resolve to No.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "National Weather Service",
        "source_status": "platform_named",
        "source_citation": "https://www.weather.gov",
        "sources": [
          {
            "name": "National Weather Service",
            "url": "https://www.weather.gov",
            "provenance": "platform_api"
          },
          {
            "name": "National Oceanic and Atmospheric Administration",
            "url": "https://www.nhc.noaa.gov/",
            "provenance": "platform_api"
          }
        ],
        "source_of_record": "National Oceanic and Atmospheric Administration",
        "source_mechanism": "single_authority",
        "source_type": null,
        "source_quality": "authoritative",
        "source_commitment": "named",
        "source_commitment_subtype": "named",
        "source_hedge_text": null
      },
      "rcg": {
        "grade": "A",
        "score": 90,
        "caps": [],
        "applied_factors": 6
      },
      "last_price": 0.08,
      "implied_probability": 0.08,
      "volume_24h_usd": 0,
      "volume_total_usd": 310.4992,
      "settlement_style": "touch",
      "direction": null,
      "threshold": null,
      "question_id": null,
      "also_on": null,
      "tags": [
        "2026",
        "atlantic",
        "atlantic hurricane",
        "fay",
        "hurricane"
      ],
      "eligibility_screens": null
    },
    {
      "market_id": "CM-MKT-0GLP8V7BB4",
      "event_id": "CM-EVT-VWP9GBVJX7",
      "platform": "kalshi",
      "platform_market_id": "KXFIRSTHURRICANE-26DEC01ATL-GON",
      "question": "Will Gonzalo be the first named hurricane in the Atlantic in 2026?",
      "description": "Gonzalo",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Gonzalo: The National Weather Service's official hurricane naming list determines which storm becomes the first named Atlantic hurricane by December 1, 2026, with Kalshi staff confirming the designation.",
      "close_at": "2026-12-01T15:00:00Z",
      "resolve_at": "2026-12-01T15:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If a storm named Gonzalo is the first storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then the market resolves to Yes.\n\nThis market resolves Yes for the first named storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026. If there is no storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then all markets resolve to No.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "National Weather Service",
        "source_status": "platform_named",
        "source_citation": "https://www.weather.gov",
        "sources": [
          {
            "name": "National Weather Service",
            "url": "https://www.weather.gov",
            "provenance": "platform_api"
          },
          {
            "name": "National Oceanic and Atmospheric Administration",
            "url": "https://www.nhc.noaa.gov/",
            "provenance": "platform_api"
          }
        ],
        "source_of_record": "National Oceanic and Atmospheric Administration",
        "source_mechanism": "single_authority",
        "source_type": null,
        "source_quality": "authoritative",
        "source_commitment": "named",
        "source_commitment_subtype": "named",
        "source_hedge_text": null
      },
      "rcg": {
        "grade": "A",
        "score": 90,
        "caps": [],
        "applied_factors": 6
      },
      "last_price": 0.04,
      "implied_probability": 0.04,
      "volume_24h_usd": 4.6848,
      "volume_total_usd": 221.6868,
      "settlement_style": "touch",
      "direction": null,
      "threshold": null,
      "question_id": null,
      "also_on": null,
      "tags": [
        "2026",
        "atlantic",
        "atlantic hurricane",
        "gonzalo",
        "hurricane"
      ],
      "eligibility_screens": null
    },
    {
      "market_id": "CM-MKT-QY60Y0BMX3",
      "event_id": "CM-EVT-VWP9GBVJX7",
      "platform": "kalshi",
      "platform_market_id": "KXFIRSTHURRICANE-26DEC01ATL-HAN",
      "question": "Will Hanna be the first named hurricane in the Atlantic in 2026?",
      "description": "Hanna",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Hanna: The National Weather Service's official hurricane naming list determines which storm becomes the first named Atlantic hurricane by December 1, 2026, with Kalshi staff confirming the designation.",
      "close_at": "2026-12-01T15:00:00Z",
      "resolve_at": "2026-12-01T15:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If a storm named Hanna is the first storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then the market resolves to Yes.\n\nThis market resolves Yes for the first named storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026. If there is no storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then all markets resolve to No.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "National Weather Service",
        "source_status": "platform_named",
        "source_citation": "https://www.weather.gov",
        "sources": [
          {
            "name": "National Weather Service",
            "url": "https://www.weather.gov",
            "provenance": "platform_api"
          },
          {
            "name": "National Oceanic and Atmospheric Administration",
            "url": "https://www.nhc.noaa.gov/",
            "provenance": "platform_api"
          }
        ],
        "source_of_record": "National Oceanic and Atmospheric Administration",
        "source_mechanism": "single_authority",
        "source_type": null,
        "source_quality": "authoritative",
        "source_commitment": "named",
        "source_commitment_subtype": "named",
        "source_hedge_text": null
      },
      "rcg": {
        "grade": "A",
        "score": 90,
        "caps": [],
        "applied_factors": 6
      },
      "last_price": 0.02,
      "implied_probability": 0.02,
      "volume_24h_usd": 0,
      "volume_total_usd": 106.0482,
      "settlement_style": "touch",
      "direction": null,
      "threshold": null,
      "question_id": null,
      "also_on": null,
      "tags": [
        "2026",
        "atlantic",
        "atlantic hurricane",
        "hanna",
        "hurricane"
      ],
      "eligibility_screens": null
    },
    {
      "market_id": "CM-MKT-S4X434LR31",
      "event_id": "CM-EVT-VWP9GBVJX7",
      "platform": "kalshi",
      "platform_market_id": "KXFIRSTHURRICANE-26DEC01ATL-ISA",
      "question": "Will Isaias be the first named hurricane in the Atlantic in 2026?",
      "description": "Isaias",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Isaias: The National Weather Service's official hurricane naming list determines which storm becomes the first named Atlantic hurricane by December 1, 2026, with Kalshi staff confirming the designation.",
      "close_at": "2026-12-01T15:00:00Z",
      "resolve_at": "2026-12-01T15:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If a storm named Isaias is the first storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then the market resolves to Yes.\n\nThis market resolves Yes for the first named storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026. If there is no storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then all markets resolve to No.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "National Weather Service",
        "source_status": "platform_named",
        "source_citation": "https://www.weather.gov",
        "sources": [
          {
            "name": "National Weather Service",
            "url": "https://www.weather.gov",
            "provenance": "platform_api"
          },
          {
            "name": "National Oceanic and Atmospheric Administration",
            "url": "https://www.nhc.noaa.gov/",
            "provenance": "platform_api"
          }
        ],
        "source_of_record": "National Oceanic and Atmospheric Administration",
        "source_mechanism": "single_authority",
        "source_type": null,
        "source_quality": "authoritative",
        "source_commitment": "named",
        "source_commitment_subtype": "named",
        "source_hedge_text": null
      },
      "rcg": {
        "grade": "A",
        "score": 90,
        "caps": [],
        "applied_factors": 6
      },
      "last_price": 0.04,
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      "volume_total_usd": 197.20080000000002,
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      "eligibility_screens": null
    },
    {
      "market_id": "CM-MKT-88ZWP66B73",
      "event_id": "CM-EVT-VWP9GBVJX7",
      "platform": "kalshi",
      "platform_market_id": "KXFIRSTHURRICANE-26DEC01ATL-JOS",
      "question": "Will Josephine be the first named hurricane in the Atlantic in 2026?",
      "description": "Josephine",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Josephine: The National Weather Service's official hurricane naming list determines which storm becomes the first named Atlantic hurricane by December 1, 2026, with Kalshi staff confirming the designation.",
      "close_at": "2026-12-01T15:00:00Z",
      "resolve_at": "2026-12-01T15:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If a storm named Josephine is the first storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then the market resolves to Yes.\n\nThis market resolves Yes for the first named storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026. If there is no storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then all markets resolve to No.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "National Weather Service",
        "source_status": "platform_named",
        "source_citation": "https://www.weather.gov",
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          {
            "name": "National Weather Service",
            "url": "https://www.weather.gov",
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          {
            "name": "National Oceanic and Atmospheric Administration",
            "url": "https://www.nhc.noaa.gov/",
            "provenance": "platform_api"
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        "atlantic",
        "atlantic hurricane",
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      "eligibility_screens": null
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    {
      "market_id": "CM-MKT-12PZJ88WH8",
      "event_id": "CM-EVT-VWP9GBVJX7",
      "platform": "kalshi",
      "platform_market_id": "KXFIRSTHURRICANE-26DEC01ATL-KYL",
      "question": "Will Kyle be the first named hurricane in the Atlantic in 2026?",
      "description": "Kyle",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Kyle: The National Weather Service's official hurricane naming list determines which storm becomes the first named Atlantic hurricane by December 1, 2026, with Kalshi staff confirming the designation.",
      "close_at": "2026-12-01T15:00:00Z",
      "resolve_at": "2026-12-01T15:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If a storm named Kyle is the first storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then the market resolves to Yes.\n\nThis market resolves Yes for the first named storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026. If there is no storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then all markets resolve to No.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "National Weather Service",
        "source_status": "platform_named",
        "source_citation": "https://www.weather.gov",
        "sources": [
          {
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            "url": "https://www.weather.gov",
            "provenance": "platform_api"
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          {
            "name": "National Oceanic and Atmospheric Administration",
            "url": "https://www.nhc.noaa.gov/",
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        "source_of_record": "National Oceanic and Atmospheric Administration",
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      "rcg": {
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      "eligibility_screens": null
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    {
      "market_id": "CM-MKT-2H5GY65152",
      "event_id": "CM-EVT-VWP9GBVJX7",
      "platform": "kalshi",
      "platform_market_id": "KXFIRSTHURRICANE-26DEC01ATL-LEA",
      "question": "Will Leah be the first named hurricane in the Atlantic in 2026?",
      "description": "Leah",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Leah: The National Weather Service's official hurricane naming list determines which storm becomes the first named Atlantic hurricane by December 1, 2026, with Kalshi staff confirming the designation.",
      "close_at": "2026-12-01T15:00:00Z",
      "resolve_at": "2026-12-01T15:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If a storm named Leah is the first storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then the market resolves to Yes.\n\nThis market resolves Yes for the first named storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026. If there is no storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then all markets resolve to No.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "National Weather Service",
        "source_status": "platform_named",
        "source_citation": "https://www.weather.gov",
        "sources": [
          {
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            "url": "https://www.weather.gov",
            "provenance": "platform_api"
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          {
            "name": "National Oceanic and Atmospheric Administration",
            "url": "https://www.nhc.noaa.gov/",
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        "source_of_record": "National Oceanic and Atmospheric Administration",
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      "eligibility_screens": null
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    {
      "market_id": "CM-MKT-JXPRMTPB81",
      "event_id": "CM-EVT-VWP9GBVJX7",
      "platform": "kalshi",
      "platform_market_id": "KXFIRSTHURRICANE-26DEC01ATL-MAR",
      "question": "Will Marco be the first named hurricane in the Atlantic in 2026?",
      "description": "Marco",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Marco: The National Weather Service's official hurricane naming list determines which storm becomes the first named Atlantic hurricane by December 1, 2026, with Kalshi staff confirming the designation.",
      "close_at": "2026-12-01T15:00:00Z",
      "resolve_at": "2026-12-01T15:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If a storm named Marco is the first storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then the market resolves to Yes.\n\nThis market resolves Yes for the first named storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026. If there is no storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then all markets resolve to No.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "National Weather Service",
        "source_status": "platform_named",
        "source_citation": "https://www.weather.gov",
        "sources": [
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    {
      "market_id": "CM-MKT-X373HNRBX7",
      "event_id": "CM-EVT-VWP9GBVJX7",
      "platform": "kalshi",
      "platform_market_id": "KXFIRSTHURRICANE-26DEC01ATL-NAN",
      "question": "Will Nana be the first named hurricane in the Atlantic in 2026?",
      "description": "Nana",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Nana: The National Weather Service's official hurricane naming list determines which storm becomes the first named Atlantic hurricane by December 1, 2026, with Kalshi staff confirming the designation.",
      "close_at": "2026-12-01T15:00:00Z",
      "resolve_at": "2026-12-01T15:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If a storm named Nana is the first storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then the market resolves to Yes.\n\nThis market resolves Yes for the first named storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026. If there is no storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then all markets resolve to No.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "National Weather Service",
        "source_status": "platform_named",
        "source_citation": "https://www.weather.gov",
        "sources": [
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            "url": "https://www.weather.gov",
            "provenance": "platform_api"
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          {
            "name": "National Oceanic and Atmospheric Administration",
            "url": "https://www.nhc.noaa.gov/",
            "provenance": "platform_api"
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        "source_of_record": "National Oceanic and Atmospheric Administration",
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        "score": 90,
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        "applied_factors": 6
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    {
      "market_id": "CM-MKT-FX8RK8LLV9",
      "event_id": "CM-EVT-VWP9GBVJX7",
      "platform": "kalshi",
      "platform_market_id": "KXFIRSTHURRICANE-26DEC01ATL-OMA",
      "question": "Will Omar be the first named hurricane in the Atlantic in 2026?",
      "description": "Omar",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Omar: The National Weather Service's official hurricane naming list determines which storm becomes the first named Atlantic hurricane by December 1, 2026, with Kalshi staff confirming the designation.",
      "close_at": "2026-12-01T15:00:00Z",
      "resolve_at": "2026-12-01T15:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If a storm named Omar is the first storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then the market resolves to Yes.\n\nThis market resolves Yes for the first named storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026. If there is no storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then all markets resolve to No.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "National Weather Service",
        "source_status": "platform_named",
        "source_citation": "https://www.weather.gov",
        "sources": [
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            "url": "https://www.weather.gov",
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    {
      "market_id": "CM-MKT-LTH0XRN098",
      "event_id": "CM-EVT-VWP9GBVJX7",
      "platform": "kalshi",
      "platform_market_id": "KXFIRSTHURRICANE-26DEC01ATL-PAU",
      "question": "Will Paulette be the first named hurricane in the Atlantic in 2026?",
      "description": "Paulette",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Paulette: The National Weather Service's official hurricane naming list determines which storm becomes the first named Atlantic hurricane by December 1, 2026, with Kalshi staff confirming the designation.",
      "close_at": "2026-12-01T15:00:00Z",
      "resolve_at": "2026-12-01T15:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If a storm named Paulette is the first storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then the market resolves to Yes.\n\nThis market resolves Yes for the first named storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026. If there is no storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then all markets resolve to No.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "National Weather Service",
        "source_status": "platform_named",
        "source_citation": "https://www.weather.gov",
        "sources": [
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            "name": "National Weather Service",
            "url": "https://www.weather.gov",
            "provenance": "platform_api"
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            "name": "National Oceanic and Atmospheric Administration",
            "url": "https://www.nhc.noaa.gov/",
            "provenance": "platform_api"
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      "eligibility_screens": null
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    {
      "market_id": "CM-MKT-C833PC4393",
      "event_id": "CM-EVT-VWP9GBVJX7",
      "platform": "kalshi",
      "platform_market_id": "KXFIRSTHURRICANE-26DEC01ATL-REN",
      "question": "Will Rene be the first named hurricane in the Atlantic in 2026?",
      "description": "Rene",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Rene: The National Weather Service's official hurricane naming list determines which storm becomes the first named Atlantic hurricane by December 1, 2026, with Kalshi staff confirming the designation.",
      "close_at": "2026-12-01T15:00:00Z",
      "resolve_at": "2026-12-01T15:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If a storm named Rene is the first storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then the market resolves to Yes.\n\nThis market resolves Yes for the first named storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026. If there is no storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then all markets resolve to No.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "National Weather Service",
        "source_status": "platform_named",
        "source_citation": "https://www.weather.gov",
        "sources": [
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            "name": "National Weather Service",
            "url": "https://www.weather.gov",
            "provenance": "platform_api"
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          {
            "name": "National Oceanic and Atmospheric Administration",
            "url": "https://www.nhc.noaa.gov/",
            "provenance": "platform_api"
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        "source_commitment": "named",
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        "applied_factors": 6
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      "volume_total_usd": 25.2523,
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      "tags": [
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      "eligibility_screens": null
    },
    {
      "market_id": "CM-MKT-MPZ4BF7G19",
      "event_id": "CM-EVT-VWP9GBVJX7",
      "platform": "kalshi",
      "platform_market_id": "KXFIRSTHURRICANE-26DEC01ATL-SAL",
      "question": "Will Sally be the first named hurricane in the Atlantic in 2026?",
      "description": "Sally",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Sally: The National Weather Service's official hurricane naming list determines which storm becomes the first named Atlantic hurricane by December 1, 2026, with Kalshi staff confirming the designation.",
      "close_at": "2026-12-01T15:00:00Z",
      "resolve_at": "2026-12-01T15:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If a storm named Sally is the first storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then the market resolves to Yes.\n\nThis market resolves Yes for the first named storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026. If there is no storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then all markets resolve to No.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "National Weather Service",
        "source_status": "platform_named",
        "source_citation": "https://www.weather.gov",
        "sources": [
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            "name": "National Weather Service",
            "url": "https://www.weather.gov",
            "provenance": "platform_api"
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          {
            "name": "National Oceanic and Atmospheric Administration",
            "url": "https://www.nhc.noaa.gov/",
            "provenance": "platform_api"
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        "source_of_record": "National Oceanic and Atmospheric Administration",
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        "source_commitment": "named",
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      "rcg": {
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        "score": 90,
        "caps": [],
        "applied_factors": 6
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      "volume_total_usd": 23.621,
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      "tags": [
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      "eligibility_screens": null
    },
    {
      "market_id": "CM-MKT-P1WMBLL0J0",
      "event_id": "CM-EVT-VWP9GBVJX7",
      "platform": "kalshi",
      "platform_market_id": "KXFIRSTHURRICANE-26DEC01ATL-TED",
      "question": "Will Teddy be the first named hurricane in the Atlantic in 2026?",
      "description": "Teddy",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Teddy: The National Weather Service's official hurricane naming list determines which storm becomes the first named Atlantic hurricane by December 1, 2026, with Kalshi staff confirming the designation.",
      "close_at": "2026-12-01T15:00:00Z",
      "resolve_at": "2026-12-01T15:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If a storm named Teddy is the first storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then the market resolves to Yes.\n\nThis market resolves Yes for the first named storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026. If there is no storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then all markets resolve to No.",
        "arbitration_model": "kalshi_staff",
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        "source": "National Weather Service",
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        "source_citation": "https://www.weather.gov",
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            "name": "National Oceanic and Atmospheric Administration",
            "url": "https://www.nhc.noaa.gov/",
            "provenance": "platform_api"
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        "source_of_record": "National Oceanic and Atmospheric Administration",
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        "source_quality": "authoritative",
        "source_commitment": "named",
        "source_commitment_subtype": "named",
        "source_hedge_text": null
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      "rcg": {
        "grade": "A",
        "score": 90,
        "caps": [],
        "applied_factors": 6
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      "last_price": 0.01,
      "implied_probability": 0.01,
      "volume_24h_usd": 0,
      "volume_total_usd": 23.198400000000003,
      "settlement_style": "touch",
      "direction": null,
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      "question_id": null,
      "also_on": null,
      "tags": [
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        "atlantic",
        "atlantic hurricane",
        "hurricane",
        "teddy"
      ],
      "eligibility_screens": null
    },
    {
      "market_id": "CM-MKT-Y9CY53V0Y1",
      "event_id": "CM-EVT-VWP9GBVJX7",
      "platform": "kalshi",
      "platform_market_id": "KXFIRSTHURRICANE-26DEC01ATL-VIC",
      "question": "Will Vicky be the first named hurricane in the Atlantic in 2026?",
      "description": "Vicky",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Vicky: The National Weather Service's official hurricane naming list determines which storm becomes the first named Atlantic hurricane by December 1, 2026, with Kalshi staff confirming the designation.",
      "close_at": "2026-12-01T15:00:00Z",
      "resolve_at": "2026-12-01T15:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If a storm named Vicky is the first storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then the market resolves to Yes.\n\nThis market resolves Yes for the first named storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026. If there is no storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then all markets resolve to No.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "National Weather Service",
        "source_status": "platform_named",
        "source_citation": "https://www.weather.gov",
        "sources": [
          {
            "name": "National Weather Service",
            "url": "https://www.weather.gov",
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          {
            "name": "National Oceanic and Atmospheric Administration",
            "url": "https://www.nhc.noaa.gov/",
            "provenance": "platform_api"
          }
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        "source_of_record": "National Oceanic and Atmospheric Administration",
        "source_mechanism": "single_authority",
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        "applied_factors": 6
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      "settlement_style": "touch",
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      "tags": [
        "2026",
        "atlantic",
        "atlantic hurricane",
        "hurricane",
        "vicky"
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      "eligibility_screens": null
    },
    {
      "market_id": "CM-MKT-D308TDN4T9",
      "event_id": "CM-EVT-VWP9GBVJX7",
      "platform": "kalshi",
      "platform_market_id": "KXFIRSTHURRICANE-26DEC01ATL-WIL",
      "question": "Will Wilfred be the first named hurricane in the Atlantic in 2026?",
      "description": "Wilfred",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Wilfred: The National Weather Service's official hurricane naming list determines which storm becomes the first named Atlantic hurricane by December 1, 2026, with Kalshi staff confirming the designation.",
      "close_at": "2026-12-01T15:00:00Z",
      "resolve_at": "2026-12-01T15:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If a storm named Wilfred is the first storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then the market resolves to Yes.\n\nThis market resolves Yes for the first named storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026. If there is no storm categorized as a hurricane in the Atlantic between May 15, 2026 and December 01, 2026, then all markets resolve to No.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "National Weather Service",
        "source_status": "platform_named",
        "source_citation": "https://www.weather.gov",
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          {
            "name": "National Oceanic and Atmospheric Administration",
            "url": "https://www.nhc.noaa.gov/",
            "provenance": "platform_api"
          }
        ],
        "source_of_record": "National Oceanic and Atmospheric Administration",
        "source_mechanism": "single_authority",
        "source_type": null,
        "source_quality": "authoritative",
        "source_commitment": "named",
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        "source_hedge_text": null
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      "rcg": {
        "grade": "A",
        "score": 90,
        "caps": [],
        "applied_factors": 6
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      "last_price": 0.01,
      "implied_probability": 0.01,
      "volume_24h_usd": 0,
      "volume_total_usd": 24.1336,
      "settlement_style": "touch",
      "direction": null,
      "threshold": null,
      "question_id": null,
      "also_on": null,
      "tags": [
        "2026",
        "atlantic",
        "atlantic hurricane",
        "hurricane",
        "wilfred"
      ],
      "eligibility_screens": null
    }
  ],
  "resolution_log": [],
  "_provenance": {
    "source": "clearmarket.fyi",
    "ref": "CM-EVT-VWP9GBVJX7",
    "terms": "Attribution required. clearmarket.fyi"
  }
}