{
  "_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-QWGZDJ1DQ6",
  "slug": "housemt1-26",
  "question": "MT-01 House winner?",
  "category": "politics",
  "event_type": "BINARY",
  "ladder_distribution": null,
  "tags": [
    "politics",
    "us-house-election",
    "montana-politics",
    "2026-midterm",
    "congressional-race",
    "electoral-prediction"
  ],
  "catalyst_types": [],
  "catalyst_dates": [],
  "editorial_notes": "These markets track the U.S. House race outcome for Montana's 1st Congressional District. Kalshi lists separate binary contracts for Democratic and Republican victory, priced as complementary outcomes. Both resolve via Kalshi staff determination using Library of Congress official records. Resolution is set for January 4, 2027, ahead of the November 2027 close date.",
  "venues_covered": [
    "kalshi"
  ],
  "primary_market_id": "CM-MKT-YPVSNRRGD2",
  "current_primary_mark": {
    "last_price": 0.64,
    "implied_probability": 0.64
  },
  "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-JKWY2FGQ55",
      "event_id": "CM-EVT-QWGZDJ1DQ6",
      "platform": "kalshi",
      "platform_market_id": "HOUSEMT1-26-D",
      "question": "Will Democratic win the House race for MT-1?",
      "description": "Sam Forstag",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Sam Forstag: Kalshi staff determination based on Library of Congress official records will resolve the named candidate's outcome by January 4, 2027.",
      "close_at": "2027-11-03T15:00:00Z",
      "resolve_at": "2027-01-04T15:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If the House member sworn in for MT-01 for the term beginning in 2027 is a member of the Democratic Party, then the market resolves to Yes.\n\nThis market is eligible for accelerated determination after a consensus of media organizations project the winner. See full rules for details.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "Library of Congress",
        "source_status": "platform_named",
        "source_citation": "https://www.congress.gov/",
        "sources": [
          {
            "name": "Library of Congress",
            "url": "https://www.congress.gov/",
            "provenance": "platform_api"
          }
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        "source_of_record": "Library of Congress",
        "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": 0.36,
      "implied_probability": 0.36,
      "volume_24h_usd": 52.76519999999999,
      "volume_total_usd": 3293.5391999999997,
      "settlement_style": "occurrence",
      "direction": "reach",
      "threshold": null,
      "question_id": null,
      "also_on": null,
      "tags": [
        "democratic",
        "house",
        "montana house district",
        "mt-1"
      ],
      "eligibility_screens": null
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    {
      "market_id": "CM-MKT-YPVSNRRGD2",
      "event_id": "CM-EVT-QWGZDJ1DQ6",
      "platform": "kalshi",
      "platform_market_id": "HOUSEMT1-26-R",
      "question": "Will Republican win the House race for MT-1?",
      "description": "Aaron Flint",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Aaron Flint: Kalshi staff determination based on Library of Congress official records will resolve the named candidate's outcome by January 4, 2027.",
      "close_at": "2027-11-03T15:00:00Z",
      "resolve_at": "2027-01-04T15:00:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "If the House member sworn in for MT-01 for the term beginning in 2027 is a member of the Republican Party, then the market resolves to Yes.\n\nThis market is eligible for accelerated determination after a consensus of media organizations project the winner. See full rules for details.",
        "arbitration_model": "kalshi_staff",
        "proposer": "platform_staff",
        "source": "Library of Congress",
        "source_status": "platform_named",
        "source_citation": "https://www.congress.gov/",
        "sources": [
          {
            "name": "Library of Congress",
            "url": "https://www.congress.gov/",
            "provenance": "platform_api"
          }
        ],
        "source_of_record": "Library of Congress",
        "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": 0.64,
      "implied_probability": 0.64,
      "volume_24h_usd": 173.6128,
      "volume_total_usd": 4289.0496,
      "settlement_style": "occurrence",
      "direction": "reach",
      "threshold": null,
      "question_id": null,
      "also_on": null,
      "tags": [
        "house",
        "montana house district",
        "mt-1",
        "republican"
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      "eligibility_screens": null
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  "resolution_log": [],
  "_provenance": {
    "source": "clearmarket.fyi",
    "ref": "CM-EVT-QWGZDJ1DQ6",
    "terms": "Attribution required. clearmarket.fyi"
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}