Democrats sweeping all four core Senate races sits near 50%

{
  "$schema": "https://clearmarket.fyi/schema/signal/v1.json",
  "provenance_version": "0.2.0",
  "record_id": "CMSIG2026100306",
  "published_at": "2026-10-03T00:00:00.000Z",
  "detection": "news_cycle",
  "category_tag": "MOMENTUM_REPRICING",
  "secondary_tags": [],
  "pre_news_classification": "concurrent",
  "target_event_id": "CM-EVT-P54SDG6NP7",
  "target_event_slug": "will-democrats-win-all-core-four-senate-races",
  "event_question": "Will Democrats win all four core Senate races?",
  "bullets": [
    "Polymarket prices Democrats winning all four core Senate races at 52%, essentially a coin flip.",
    "Poll data showing Democratic momentum in red territory is consistent with the near-50% pricing; the market neither confirms nor dismisses a sweep.",
    "A companion Kalshi contract (CM-EVT-QH62PP4D92) on the same Democrat Senate sweep question prices it at 54%, a tight cross-venue spread suggesting genuine uncertainty.",
    "Resolution via Polymarket's uma_oracle following the November 3 election; all four races must resolve Democratic for the contract to settle YES."
  ],
  "atomic_claims": [
    {
      "type": "news_event",
      "field_provenance": {
        "story": {
          "tier": "mediated",
          "method": "exa_search",
          "source": "Muskan Singh",
          "source_url": "https://economictimes.indiatimes.com/news/international/us/u-s-midterm-elections-2026-are-democrats-finally-making-a-comeback-in-republican-strongholds-heres-what-a-new-midterm-poll-shows/articleshow/134664760.cms",
          "retrieved_at": "2026-10-05T16:44:30+00:00"
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      "significance": {
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        "threshold_unit": "rank",
        "passed": true,
        "reason": "surfaced in the daily Exa news-cycle scan; mechanically matched to an active polymarket market"
      },
      "story": "A new midterm poll shows Democrats making inroads in Republican strongholds, raising questions about a potential Senate sweep.",
      "publisher": "Muskan Singh",
      "published_at": "2026-10-03T00:00:00.000Z",
      "source_url": "https://economictimes.indiatimes.com/news/international/us/u-s-midterm-elections-2026-are-democrats-finally-making-a-comeback-in-republican-strongholds-heres-what-a-new-midterm-poll-shows/articleshow/134664760.cms"
    },
    {
      "type": "pm_response",
      "field_provenance": {
        "notes": {
          "tier": "editorial",
          "method": "llm_judge_cm_signal_v1"
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      },
      "notes": "Polymarket at 52% and Kalshi at 54% are in close agreement across venues, reinforcing the near-even odds read."
    }
  ],
  "evaluation": {
    "judge_engine": "none — deterministic news-cycle scan",
    "judge_verdict": "auto_published",
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  "citations": {
    "internal": {
      "cm_event": "/events/will-democrats-win-all-core-four-senate-races/",
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    "external": {
      "venue_a": null,
      "venue_b": null,
      "benchmark": null
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  "sources": [
    {
      "label": "Muskan Singh: Midterm polls: U.S. midterm elections 2026: Are Democrats finally maki",
      "url": "https://economictimes.indiatimes.com/news/international/us/u-s-midterm-elections-2026-are-democrats-finally-making-a-comeback-in-republican-strongholds-heres-what-a-new-midterm-poll-shows/articleshow/134664760.cms",
      "published_at": "2026-10-03T00:00:00.000Z",
      "retrieved_at": "2026-10-05T16:44:30+00:00"
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