{
  "_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-BJHH9J4YK1",
  "slug": "kxhighchi-26jul23",
  "question": "What will be the highest temperature in Chicago on July 23, 2026?",
  "category": "climate",
  "event_type": "BINARY",
  "ladder_distribution": null,
  "tags": [
    "climate",
    "chicago-weather",
    "temperature-prediction",
    "daily-high",
    "2026-summer",
    "weather-data"
  ],
  "catalyst_types": [],
  "catalyst_dates": [],
  "editorial_notes": "These six Kalshi markets collectively price the daily high temperature at Chicago Midway on July 23, 2026. The contracts span exhaustive two-degree bands from below 76°F through above 83°F, forming a discrete probability distribution over the full plausible outcome range. Together they imply a tradeable temperature curve, with relative prices revealing consensus around the most likely band. Resolution is determined by Kalshi staff using the National Weather Service Climatological Report for Chicago Midway.",
  "venues_covered": [
    "kalshi"
  ],
  "primary_market_id": "CM-MKT-RDMFC4C913",
  "current_primary_mark": {
    "last_price": 0.79,
    "implied_probability": 0.79
  },
  "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-PNXYPMPLX5",
      "event_id": "CM-EVT-BJHH9J4YK1",
      "platform": "kalshi",
      "platform_market_id": "KXHIGHCHI-26JUL23-T76",
      "question": "Will the high temp in Chicago be <76° on Jul 23, 2026?",
      "description": "75° or below",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "75° or below: National Weather Service Climatological Report for Chicago Midway on July 23, 2026, determines the high temperature outcome by Kalshi staff determination on July 24, 2026.",
      "close_at": "2026-07-24T05:59:00Z",
      "resolve_at": "2026-07-24T14:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If the highest temperature recorded at Chicago Midway, IL for July 23, 2026, is less than 76° according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.\n\nNot all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market is the highest temperature as reported by the corresponding NWS Climatological Report (Daily) linked in the rules above. Preliminary NWS reporting and measurement methods may be subject to underlying rounding and conversion nuances. Traders should exercise caution when interpreting preliminary NWS data.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "NWS Climatological Report Chicago Midway",
        "source_status": "platform_named",
        "source_citation": "https://forecast.weather.gov/product.php?site=LOT&product=CLI&issuedby=MDW",
        "sources": [
          {
            "name": "NWS Climatological Report Chicago Midway",
            "url": "https://forecast.weather.gov/product.php?site=LOT&product=CLI&issuedby=MDW",
            "provenance": "platform_api"
          },
          {
            "name": "National Weather Service's Climatological Report (Daily)",
            "url": null,
            "provenance": "clearmarket_editorial"
          },
          {
            "name": "NWS Climatological Report",
            "url": null,
            "provenance": "clearmarket_editorial"
          }
        ],
        "source_of_record": "National Weather Service's Climatological Report (Daily)",
        "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": 97,
        "caps": [],
        "applied_factors": 6
      },
      "last_price": 0.01,
      "implied_probability": 0.01,
      "volume_24h_usd": 67.31,
      "volume_total_usd": 75.69,
      "settlement_style": "terminal",
      "direction": "below",
      "threshold": 76,
      "question_id": null,
      "also_on": null,
      "tags": [
        "chicago",
        "chicago temperature",
        "temperature",
        "weather"
      ],
      "eligibility_screens": null
    },
    {
      "market_id": "CM-MKT-RDMFC4C913",
      "event_id": "CM-EVT-BJHH9J4YK1",
      "platform": "kalshi",
      "platform_market_id": "KXHIGHCHI-26JUL23-B76.5",
      "question": "Will the high temp in Chicago be 76-77° on Jul 23, 2026?",
      "description": "76° to 77°",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "76° to 77°: National Weather Service Climatological Report for Chicago Midway on July 23, 2026, determines the high temperature outcome by Kalshi staff determination on July 24, 2026.",
      "close_at": "2026-07-24T05:59:00Z",
      "resolve_at": "2026-07-24T14:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If the highest temperature recorded at Chicago Midway, IL for July 23, 2026, is between 76-77° according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.\n\nNot all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market is the highest temperature as reported by the corresponding NWS Climatological Report (Daily) linked in the rules above. Preliminary NWS reporting and measurement methods may be subject to underlying rounding and conversion nuances. Traders should exercise caution when interpreting preliminary NWS data.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "NWS Climatological Report Chicago Midway",
        "source_status": "platform_named",
        "source_citation": "https://forecast.weather.gov/product.php?site=LOT&product=CLI&issuedby=MDW",
        "sources": [
          {
            "name": "NWS Climatological Report Chicago Midway",
            "url": "https://forecast.weather.gov/product.php?site=LOT&product=CLI&issuedby=MDW",
            "provenance": "platform_api"
          },
          {
            "name": "National Weather Service's Climatological Report (Daily)",
            "url": null,
            "provenance": "clearmarket_editorial"
          },
          {
            "name": "NWS Climatological Report",
            "url": null,
            "provenance": "clearmarket_editorial"
          }
        ],
        "source_of_record": "National Weather Service's Climatological Report (Daily)",
        "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": 97,
        "caps": [],
        "applied_factors": 6
      },
      "last_price": 0.79,
      "implied_probability": 0.79,
      "volume_24h_usd": 20682.52,
      "volume_total_usd": 20935.7,
      "settlement_style": "terminal",
      "direction": "between",
      "threshold": 77,
      "question_id": null,
      "also_on": null,
      "tags": [
        "chicago",
        "chicago temperature",
        "temperature",
        "weather"
      ],
      "eligibility_screens": null
    },
    {
      "market_id": "CM-MKT-WSMMFNZD93",
      "event_id": "CM-EVT-BJHH9J4YK1",
      "platform": "kalshi",
      "platform_market_id": "KXHIGHCHI-26JUL23-B78.5",
      "question": "Will the high temp in Chicago be 78-79° on Jul 23, 2026?",
      "description": "78° to 79°",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "78° to 79°: National Weather Service Climatological Report for Chicago Midway on July 23, 2026, determines the high temperature outcome by Kalshi staff determination on July 24, 2026.",
      "close_at": "2026-07-24T05:59:00Z",
      "resolve_at": "2026-07-24T14:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If the highest temperature recorded at Chicago Midway, IL for July 23, 2026, is between 78-79° according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.\n\nNot all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market is the highest temperature as reported by the corresponding NWS Climatological Report (Daily) linked in the rules above. Preliminary NWS reporting and measurement methods may be subject to underlying rounding and conversion nuances. Traders should exercise caution when interpreting preliminary NWS data.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "NWS Climatological Report Chicago Midway",
        "source_status": "platform_named",
        "source_citation": "https://forecast.weather.gov/product.php?site=LOT&product=CLI&issuedby=MDW",
        "sources": [
          {
            "name": "NWS Climatological Report Chicago Midway",
            "url": "https://forecast.weather.gov/product.php?site=LOT&product=CLI&issuedby=MDW",
            "provenance": "platform_api"
          },
          {
            "name": "National Weather Service's Climatological Report (Daily)",
            "url": null,
            "provenance": "clearmarket_editorial"
          },
          {
            "name": "NWS Climatological Report",
            "url": null,
            "provenance": "clearmarket_editorial"
          }
        ],
        "source_of_record": "National Weather Service's Climatological Report (Daily)",
        "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": 97,
        "caps": [],
        "applied_factors": 6
      },
      "last_price": 0.21,
      "implied_probability": 0.21,
      "volume_24h_usd": 2763.84,
      "volume_total_usd": 3006.74,
      "settlement_style": "terminal",
      "direction": "between",
      "threshold": 79,
      "question_id": null,
      "also_on": null,
      "tags": [
        "chicago",
        "chicago temperature",
        "temperature",
        "weather"
      ],
      "eligibility_screens": null
    },
    {
      "market_id": "CM-MKT-MZJ5HY8Z13",
      "event_id": "CM-EVT-BJHH9J4YK1",
      "platform": "kalshi",
      "platform_market_id": "KXHIGHCHI-26JUL23-B80.5",
      "question": "Will the high temp in Chicago be 80-81° on Jul 23, 2026?",
      "description": "80° to 81°",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "80° to 81°: National Weather Service Climatological Report for Chicago Midway on July 23, 2026, determines the high temperature outcome by Kalshi staff determination on July 24, 2026.",
      "close_at": "2026-07-24T05:59:00Z",
      "resolve_at": "2026-07-24T14:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If the highest temperature recorded at Chicago Midway, IL for July 23, 2026, is between 80-81° according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.\n\nNot all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market is the highest temperature as reported by the corresponding NWS Climatological Report (Daily) linked in the rules above. Preliminary NWS reporting and measurement methods may be subject to underlying rounding and conversion nuances. Traders should exercise caution when interpreting preliminary NWS data.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "NWS Climatological Report Chicago Midway",
        "source_status": "platform_named",
        "source_citation": "https://forecast.weather.gov/product.php?site=LOT&product=CLI&issuedby=MDW",
        "sources": [
          {
            "name": "NWS Climatological Report Chicago Midway",
            "url": "https://forecast.weather.gov/product.php?site=LOT&product=CLI&issuedby=MDW",
            "provenance": "platform_api"
          },
          {
            "name": "National Weather Service's Climatological Report (Daily)",
            "url": null,
            "provenance": "clearmarket_editorial"
          },
          {
            "name": "NWS Climatological Report",
            "url": null,
            "provenance": "clearmarket_editorial"
          }
        ],
        "source_of_record": "National Weather Service's Climatological Report (Daily)",
        "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": 97,
        "caps": [],
        "applied_factors": 6
      },
      "last_price": 0.01,
      "implied_probability": 0.01,
      "volume_24h_usd": 145.9,
      "volume_total_usd": 147.1,
      "settlement_style": "terminal",
      "direction": "between",
      "threshold": 81,
      "question_id": null,
      "also_on": null,
      "tags": [
        "chicago",
        "chicago temperature",
        "temperature",
        "weather"
      ],
      "eligibility_screens": null
    },
    {
      "market_id": "CM-MKT-XCJMT81X28",
      "event_id": "CM-EVT-BJHH9J4YK1",
      "platform": "kalshi",
      "platform_market_id": "KXHIGHCHI-26JUL23-B82.5",
      "question": "Will the high temp in Chicago be 82-83° on Jul 23, 2026?",
      "description": "82° to 83°",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "82° to 83°: National Weather Service Climatological Report for Chicago Midway on July 23, 2026, determines the high temperature outcome by Kalshi staff determination on July 24, 2026.",
      "close_at": "2026-07-24T05:59:00Z",
      "resolve_at": "2026-07-24T14:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If the highest temperature recorded at Chicago Midway, IL for July 23, 2026, is between 82-83° according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.\n\nNot all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market is the highest temperature as reported by the corresponding NWS Climatological Report (Daily) linked in the rules above. Preliminary NWS reporting and measurement methods may be subject to underlying rounding and conversion nuances. Traders should exercise caution when interpreting preliminary NWS data.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "NWS Climatological Report Chicago Midway",
        "source_status": "platform_named",
        "source_citation": "https://forecast.weather.gov/product.php?site=LOT&product=CLI&issuedby=MDW",
        "sources": [
          {
            "name": "NWS Climatological Report Chicago Midway",
            "url": "https://forecast.weather.gov/product.php?site=LOT&product=CLI&issuedby=MDW",
            "provenance": "platform_api"
          },
          {
            "name": "National Weather Service's Climatological Report (Daily)",
            "url": null,
            "provenance": "clearmarket_editorial"
          },
          {
            "name": "NWS Climatological Report",
            "url": null,
            "provenance": "clearmarket_editorial"
          }
        ],
        "source_of_record": "National Weather Service's Climatological Report (Daily)",
        "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": 97,
        "caps": [],
        "applied_factors": 6
      },
      "last_price": 0.01,
      "implied_probability": 0.01,
      "volume_24h_usd": 23.31,
      "volume_total_usd": 24.6,
      "settlement_style": "terminal",
      "direction": "between",
      "threshold": 83,
      "question_id": null,
      "also_on": null,
      "tags": [
        "chicago",
        "chicago temperature",
        "temperature",
        "weather"
      ],
      "eligibility_screens": null
    },
    {
      "market_id": "CM-MKT-Z5VLXRGG75",
      "event_id": "CM-EVT-BJHH9J4YK1",
      "platform": "kalshi",
      "platform_market_id": "KXHIGHCHI-26JUL23-T83",
      "question": "Will the high temp in Chicago be >83° on Jul 23, 2026?",
      "description": "84° or above",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "84° or above: National Weather Service Climatological Report for Chicago Midway on July 23, 2026, determines the high temperature outcome by Kalshi staff determination on July 24, 2026.",
      "close_at": "2026-07-24T05:59:00Z",
      "resolve_at": "2026-07-24T14:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If the highest temperature recorded at Chicago Midway, IL for July 23, 2026, is greater than 83° according to the National Weather Service's Climatological Report (Daily), then the market resolves to Yes.\n\nNot all weather data is the same. While checking a source like AccuWeather or Google Weather may help guide your decision, the official and final value used to determine this market is the highest temperature as reported by the corresponding NWS Climatological Report (Daily) linked in the rules above. Preliminary NWS reporting and measurement methods may be subject to underlying rounding and conversion nuances. Traders should exercise caution when interpreting preliminary NWS data.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "NWS Climatological Report Chicago Midway",
        "source_status": "platform_named",
        "source_citation": "https://forecast.weather.gov/product.php?site=LOT&product=CLI&issuedby=MDW",
        "sources": [
          {
            "name": "NWS Climatological Report Chicago Midway",
            "url": "https://forecast.weather.gov/product.php?site=LOT&product=CLI&issuedby=MDW",
            "provenance": "platform_api"
          },
          {
            "name": "National Weather Service's Climatological Report (Daily)",
            "url": null,
            "provenance": "clearmarket_editorial"
          },
          {
            "name": "NWS Climatological Report",
            "url": null,
            "provenance": "clearmarket_editorial"
          }
        ],
        "source_of_record": "National Weather Service's Climatological Report (Daily)",
        "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": 97,
        "caps": [],
        "applied_factors": 6
      },
      "last_price": 0.03,
      "implied_probability": 0.03,
      "volume_24h_usd": 68.1,
      "volume_total_usd": 70.59,
      "settlement_style": "terminal",
      "direction": "above",
      "threshold": 83,
      "question_id": null,
      "also_on": null,
      "tags": [
        "chicago",
        "chicago temperature",
        "temperature",
        "weather"
      ],
      "eligibility_screens": null
    }
  ],
  "resolution_log": [],
  "_provenance": {
    "source": "clearmarket.fyi",
    "ref": "CM-EVT-BJHH9J4YK1",
    "terms": "Attribution required. clearmarket.fyi"
  }
}