{
  "_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-FVM9ZNZPY7",
  "slug": "kxmaprimary-01d26",
  "question": "Will the Massachusetts 1st Congressional District Democratic nominee be decided by the 2026 general election?",
  "category": "politics",
  "event_type": "BINARY",
  "ladder_distribution": null,
  "tags": [
    "politics",
    "us-politics",
    "2027-election",
    "democratic-primary",
    "massachusetts",
    "house-race"
  ],
  "catalyst_types": [],
  "catalyst_dates": [],
  "editorial_notes": "These markets track the Democratic primary nominee for Massachusetts's 1st Congressional District, resolving November 3, 2026. All five markets are Kalshi binary contracts, each pricing a separate named candidate's nomination probability. The markets are structurally parallel: one candidate winning resolves YES, all others resolve NO. Resolution follows Kalshi staff determination for each contract.",
  "venues_covered": [
    "kalshi"
  ],
  "primary_market_id": "CM-MKT-38W5MJ8LQ6",
  "current_primary_mark": {
    "last_price": 0.9,
    "implied_probability": 0.9
  },
  "created_at": "2026-07-06T00:30:45.836226+00:00",
  "updated_at": "2026-07-06T00:30:45.836226+00:00",
  "markets": [
    {
      "market_id": "CM-MKT-38W5MJ8LQ6",
      "event_id": "CM-EVT-FVM9ZNZPY7",
      "platform": "kalshi",
      "platform_market_id": "KXMAPRIMARY-01D26-RNEA",
      "question": "Will Richard Neal be the Democratic nominee for MA-01?",
      "description": "Richard Neal",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Richard Neal: The named candidate's status as Democratic nominee for the referenced district resolves according to Kalshi staff determination by November 3, 2026, 3 p.m. UTC.",
      "close_at": "2027-11-03T15:00:00Z",
      "resolve_at": "2026-11-03T15:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If Richard Neal wins the nomination for the Democratic Party to contest the 2026 MA-01 House seat, then the market resolves to Yes.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "Republican Party",
        "source_status": "platform_named",
        "source_citation": "https://gop.com/",
        "sources": [
          {
            "name": "Republican Party",
            "url": "https://gop.com/",
            "provenance": "platform_api"
          },
          {
            "name": "Democratic Party",
            "url": "https://democrats.org/",
            "provenance": "platform_api"
          }
        ],
        "source_of_record": "Democratic Party",
        "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": 86,
        "caps": [],
        "applied_factors": 6
      },
      "last_price": 0.9,
      "implied_probability": 0.9,
      "volume_24h_usd": 0,
      "volume_total_usd": 12326.328,
      "settlement_style": "touch",
      "direction": null,
      "threshold": null,
      "question_id": null,
      "also_on": null,
      "tags": [
        "democratic nominee",
        "ma-01",
        "richard neal"
      ],
      "eligibility_screens": [
        {
          "regime": "ciro-26-0076",
          "screen_version": "v1",
          "status": "not_eligible",
          "reasons": [
            "category_not_permitted"
          ],
          "bucket": null,
          "screened_at": "2026-06-12"
        }
      ]
    },
    {
      "market_id": "CM-MKT-5M8KCN81X7",
      "event_id": "CM-EVT-FVM9ZNZPY7",
      "platform": "kalshi",
      "platform_market_id": "KXMAPRIMARY-01D26-JWHA",
      "question": "Will Jeromie Whalen be the Democratic nominee for MA-01?",
      "description": "Jeromie Whalen",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Jeromie Whalen: The named candidate's status as Democratic nominee for the referenced district resolves according to Kalshi staff determination by November 3, 2026, 3 p.m. UTC.",
      "close_at": "2027-11-03T15:00:00Z",
      "resolve_at": "2026-11-03T15:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If Jeromie Whalen wins the nomination for the Democratic Party to contest the 2026 MA-01 House seat, then the market resolves to Yes.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "Republican Party",
        "source_status": "platform_named",
        "source_citation": "https://gop.com/",
        "sources": [
          {
            "name": "Republican Party",
            "url": "https://gop.com/",
            "provenance": "platform_api"
          },
          {
            "name": "Democratic Party",
            "url": "https://democrats.org/",
            "provenance": "platform_api"
          }
        ],
        "source_of_record": "Democratic Party",
        "source_mechanism": "single_authority",
        "source_type": null,
        "source_quality": "authoritative",
        "source_commitment": "named",
        "source_commitment_subtype": "named",
        "source_hedge_text": null
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      "rcg": {
        "grade": "A",
        "score": 86,
        "caps": [],
        "applied_factors": 6
      },
      "last_price": 0.12,
      "implied_probability": 0.12,
      "volume_24h_usd": 0,
      "volume_total_usd": 1609.7712,
      "settlement_style": "touch",
      "direction": null,
      "threshold": null,
      "question_id": null,
      "also_on": null,
      "tags": [
        "democratic nominee",
        "jeromie whalen",
        "ma-01"
      ],
      "eligibility_screens": [
        {
          "regime": "ciro-26-0076",
          "screen_version": "v1",
          "status": "not_eligible",
          "reasons": [
            "category_not_permitted"
          ],
          "bucket": null,
          "screened_at": "2026-06-12"
        }
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    },
    {
      "market_id": "CM-MKT-FRZFT3MPD9",
      "event_id": "CM-EVT-FVM9ZNZPY7",
      "platform": "kalshi",
      "platform_market_id": "KXMAPRIMARY-01D26-ACEL",
      "question": "Will Anthony Celata be the Democratic nominee for MA-01?",
      "description": "Anthony Celata",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Anthony Celata: The named candidate's status as Democratic nominee for the referenced district resolves according to Kalshi staff determination by November 3, 2026, 3 p.m. UTC.",
      "close_at": "2027-11-03T15:00:00Z",
      "resolve_at": "2026-11-03T15:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If Anthony Celata wins the nomination for the Democratic Party to contest the 2026 MA-01 House seat, then the market resolves to Yes.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "Republican Party",
        "source_status": "platform_named",
        "source_citation": "https://gop.com/",
        "sources": [
          {
            "name": "Republican Party",
            "url": "https://gop.com/",
            "provenance": "platform_api"
          },
          {
            "name": "Democratic Party",
            "url": "https://democrats.org/",
            "provenance": "platform_api"
          }
        ],
        "source_of_record": "Democratic Party",
        "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": 86,
        "caps": [],
        "applied_factors": 6
      },
      "last_price": 0.05,
      "implied_probability": 0.05,
      "volume_24h_usd": 0,
      "volume_total_usd": 525.8505,
      "settlement_style": "touch",
      "direction": null,
      "threshold": null,
      "question_id": null,
      "also_on": null,
      "tags": [
        "anthony celata",
        "democratic nominee",
        "ma-01"
      ],
      "eligibility_screens": [
        {
          "regime": "ciro-26-0076",
          "screen_version": "v1",
          "status": "not_eligible",
          "reasons": [
            "category_not_permitted"
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          "bucket": null,
          "screened_at": "2026-06-12"
        }
      ]
    },
    {
      "market_id": "CM-MKT-RC21ZBK4R1",
      "event_id": "CM-EVT-FVM9ZNZPY7",
      "platform": "kalshi",
      "platform_market_id": "KXMAPRIMARY-01D26-JDEW",
      "question": "Will Jarret Dewberry be the Democratic nominee for MA-01?",
      "description": "Jarret Dewberry",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Jarret Dewberry: The named candidate's status as Democratic nominee for the referenced district resolves according to Kalshi staff determination by November 3, 2026, 3 p.m. UTC.",
      "close_at": "2027-11-03T15:00:00Z",
      "resolve_at": "2026-11-03T15:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If Jarret Dewberry wins the nomination for the Democratic Party to contest the 2026 MA-01 House seat, then the market resolves to Yes.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "Republican Party",
        "source_status": "platform_named",
        "source_citation": "https://gop.com/",
        "sources": [
          {
            "name": "Republican Party",
            "url": "https://gop.com/",
            "provenance": "platform_api"
          },
          {
            "name": "Democratic Party",
            "url": "https://democrats.org/",
            "provenance": "platform_api"
          }
        ],
        "source_of_record": "Democratic Party",
        "source_mechanism": "single_authority",
        "source_type": null,
        "source_quality": "authoritative",
        "source_commitment": "named",
        "source_commitment_subtype": "named",
        "source_hedge_text": null
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      "rcg": {
        "grade": "A",
        "score": 86,
        "caps": [],
        "applied_factors": 6
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      "last_price": 0.04,
      "implied_probability": 0.04,
      "volume_24h_usd": 0,
      "volume_total_usd": 338.3604,
      "settlement_style": "touch",
      "direction": null,
      "threshold": null,
      "question_id": null,
      "also_on": null,
      "tags": [
        "democratic nominee",
        "jarret dewberry",
        "ma-01"
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      "eligibility_screens": [
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          "regime": "ciro-26-0076",
          "screen_version": "v1",
          "status": "not_eligible",
          "reasons": [
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          "bucket": null,
          "screened_at": "2026-06-12"
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    {
      "market_id": "CM-MKT-3W4YMB48M3",
      "event_id": "CM-EVT-FVM9ZNZPY7",
      "platform": "kalshi",
      "platform_market_id": "KXMAPRIMARY-01D26-NTRA",
      "question": "Will Nathan Tracy be the Democratic nominee for MA-01?",
      "description": "Nathan Tracy",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Nathan Tracy: The named candidate's status as Democratic nominee for the referenced district resolves according to Kalshi staff determination by November 3, 2026, 3 p.m. UTC.",
      "close_at": "2027-11-03T15:00:00Z",
      "resolve_at": "2026-11-03T15:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If Nathan Tracy wins the nomination for the Democratic Party to contest the 2026 MA-01 House seat, then the market resolves to Yes.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "Republican Party",
        "source_status": "platform_named",
        "source_citation": "https://gop.com/",
        "sources": [
          {
            "name": "Republican Party",
            "url": "https://gop.com/",
            "provenance": "platform_api"
          },
          {
            "name": "Democratic Party",
            "url": "https://democrats.org/",
            "provenance": "platform_api"
          }
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        "source_of_record": "Democratic Party",
        "source_mechanism": "single_authority",
        "source_type": null,
        "source_quality": "authoritative",
        "source_commitment": "named",
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      "rcg": {
        "grade": "A",
        "score": 86,
        "caps": [],
        "applied_factors": 6
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      "last_price": 0.05,
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      "volume_24h_usd": 0,
      "volume_total_usd": 445.05,
      "settlement_style": "touch",
      "direction": null,
      "threshold": null,
      "question_id": null,
      "also_on": null,
      "tags": [
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          "reasons": [
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          "bucket": null,
          "screened_at": "2026-06-12"
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  ],
  "resolution_log": [],
  "_provenance": {
    "source": "clearmarket.fyi",
    "ref": "CM-EVT-FVM9ZNZPY7",
    "terms": "Attribution required. clearmarket.fyi"
  }
}