CM ClearMarket
SYSTEM: LIVE · PRICES: HOURLY REFRESH · COVERAGE: ~3,860 EVENTS / ~39,200 MARKETS · KALSHI + POLYMARKET

MT-01 House winner? [ resolves 2027-01-04 (153D) ]

kalshi: [A] single source·objective outcome methodology ›
distribution · by outcome · marks: daily snapshot
kalshi 2 markets
market resolves P(YES) vol (24h) vol (cum) RCG venue id
Republican 2027-01-04 66.0%
$66 $5.1K
A HOUSEMT1-26-R
Democratic 2027-01-04 38.0%
$112 $4.2K
A HOUSEMT1-26-D
resolution architecture
venue proposer source citation arbitration class analyst notes
kalshi Exchange Staff Library of Congress not provided Kalshi Staff Other —
verbatim rules
kalshi 2 markets · share this text
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. This market is eligible for accelerated determination after a consensus of media organizations project the winner. See full rules for details.
platform source field kalshi.settlement_sources → "Library of Congress"
sources (1) · single authority
Library of Congress committed source
recent wire items
  • 2026-09-22T13:04:04+00:00 volume-spike
    Buyers back GOP holding MT-1 as volume hits 41% of all-time 70% · $37K 24h
    • At 70%, Kalshi prices the Republican candidate as a clear favorite in Montana's 1st district.
    • 41% of all-time volume landed in 24 hours, the steepest one-day concentration this contract has seen.
    • Montana's at-large competitive history draws capital when Senate and House races move together in polling.
    • Resolves on 2026 general election certification.
  • 2026-09-22T13:04:04+00:00 volume-spike
    Democrats win MT-1 stays a long shot at 29% 29% · $19K 24h
    • At 29%, Kalshi prices a Democratic upset in MT-1 as a meaningful but unlikely outcome.
    • 60% of all-time volume arrived in 24 hours, the highest all-time share concentration across today's batch.
    • Paired with Spike 3's 70% GOP read, capital is actively pricing both sides of MT-1 in the same session.
    • Resolves on 2026 general election result.
  • 2026-09-22T07:48:31+00:00 volume-spike
    Republican stays favored in MT-1 as heavy trading tests 69% 69% · $37K 24h
    • Kalshi prices a Republican win in MT-1 at 69%, a solid but contested favorite, leaving Democrats a real path.
    • $36.8K in 24h is 41% of all-time volume on this contract, the market is repricing with urgency.
    • MT-1 is a bellwether swing seat; volume at this scale suggests polling, fundraising data, or candidate news is moving through the market.
    • Resolves on 2026 midterm results for MT-1.
  • 2026-09-22T07:48:31+00:00 volume-spike
    Democratic odds in MT-1 stay under 25% despite fresh volume 30% · $19K 24h
    • Kalshi prices a Democratic win in MT-1 at 30%, an underdog but not a long shot, with real implied probability.
    • $19.2K in 24h equals a striking 60% of all-time contract volume, the majority of all trading ever done here printed today.
    • The companion Republican contract (69%) and this 30% price are arithmetically consistent; volume across both legs signals active two-sided repositioning.
    • Resolves on 2026 MT-1 midterm outcome.
  • 2026-09-17T13:05:20+00:00 volume-spike
    Republicans back in MT-1 at 68% as volume floods in 68% · $35K 24h
    • Kalshi prices Republicans at 68% to win Montana's 1st Congressional District.
    • $35K in 24h represents 82% of all-time contract volume, nearly the entire history traded today.
    • MT-1 has drawn attention as a potential Democratic pickup opportunity in a competitive House map.
    • Resolves on November 2026 election night.
programmatic access · four surfaces, same payload

One canonical record at every surface — embedded JSON-LD, REST, MCP, and /llms.txt.

HTMLbrowsers, AI grounded search, crawlers (embedded JSON-LD @type: Dataset)https://clearmarket.fyi/events/housemt1-26/
JSONREST API for developershttps://api.clearmarket.fyi/v1/events/housemt1-26
MCPagentic AI tool call (Claude Desktop, Cursor, Continue)clearmarket.get_event("housemt1-26")
AGENTAI crawler discovery index/llms.txt

Snapshot 2026-08-04. Venue data via Kalshi + Polymarket APIs. Editorial fields (tags, editorial_notes) are ClearMarket-drafted with AI assistance under editorial review. Derived fields (venues_covered, resolution_clarity_grade, rcg_score) computed at serve time. Full per-field map in the JSON record under field_provenance.

raw JSON record · same payload returned by REST endpoint
{
  "event_id": "CM-EVT-QWGZDJ1DQ6",
  "slug": "housemt1-26",
  "question": "MT-01 House winner?",
  "category": "politics",
  "tags": [
    "politics",
    "us-house-election",
    "montana-politics",
    "2026-midterm",
    "congressional-race",
    "electoral-prediction"
  ],
  "venues_covered": [
    "kalshi"
  ],
  "market_count": 2,
  "cumulative_volume_usd": 9317,
  "resolution_clarity_grade": "A",
  "rcg_score": 86,
  "rcg_caps": [],
  "resolution_source": "Library of Congress",
  "resolution_source_url": "https://www.congress.gov/",
  "source_status": "platform_named",
  "source_of_record": "Library of Congress",
  "resolution_source_list": [
    {
      "name": "Library of Congress",
      "url": "https://www.congress.gov/",
      "provenance": "platform_api"
    }
  ],
  "arbitration_model": "kalshi_staff",
  "proposer_model": "platform_staff",
  "field_provenance": {
    "question": {
      "source": "clearmarket_editorial"
    },
    "tags": {
      "source": "clearmarket_editorial",
      "ai_drafted": true
    },
    "resolution_clarity_grade": {
      "source": "derived",
      "method": "rcg_v2_7factor"
    },
    "venues_covered": {
      "source": "derived"
    }
  }
}
snapshot 2026-08-04T20:03:51.865287+00:00 schema v0.2.0-universe all events →