{
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  "record_id": "CMSIG2026092304",
  "record_slug": "gop-holds-1-chamber-after-midterms-kalshi-62-2026-09-23",
  "schema_version": "v0.2.0",
  "provenance_version": "0.2.0",
  "published_at": "2026-09-23T13:06:58.311Z",
  "semantic_title": "Republicans holding one chamber after midterms stays near 50%",
  "telemetry": "Kalshi 62%",
  "headline": "GOP holds 1+ chamber after midterms: Kalshi 62%",
  "category_tag": "MOMENTUM_REPRICING",
  "secondary_tags": [],
  "detection_path": "news_cycle",
  "pre_news_classification": "concurrent",
  "status": {
    "state": "live",
    "as_of": "2026-09-24",
    "outcome": null,
    "outcome_basis": null,
    "final_price": null,
    "resolved_at": null
  },
  "target_event_id": "CM-EVT-T5VXKJT451",
  "target_event_slug": "kxbalancepowercombo-27feb",
  "event_question": "Will Republicans control at least one chamber of Congress after the 2026 midterm elections?",
  "linked_event_ids": [],
  "primary_market": {
    "platform": "kalshi",
    "platform_market_id": "KXBALANCEPOWERCOMBO-27FEB-DD",
    "question_raw": "Will House Control be Democratic AND Senate Control be Democratic for Feb 2027?",
    "current_price": 0.62,
    "volume_24h_usd": 81726.08,
    "arbitration_model": "kalshi_staff",
    "resolution_source": "Bureau of Labor Statistics",
    "resolves_at": "2027-02-01T15:00:00Z"
  },
  "related_markets": [],
  "bullets": [
    "Kalshi prices Republicans controlling at least one chamber of Congress after the 2026 midterms at 62%.",
    "Falling Trump approval and Democratic leads in polling create tension with Kalshi's 62% GOP-holds reading, suggesting the market is not fully embracing the Democratic wave narrative.",
    "Companion Kalshi contract on Republicans holding more governorships than Democrats stands at 71%, implying the market sees GOP strength in executive races even if Congress is competitive.",
    "Resolves via Bureau of Labor Statistics -- note: verify this is the intended resolution source, as congressional certification is typically handled by election authorities."
  ],
  "atomic_claims": [
    {
      "type": "news_event",
      "field_provenance": {
        "story": {
          "tier": "mediated",
          "method": "exa_search",
          "source": "Amber Phillips",
          "source_url": "https://www.washingtonpost.com/politics/2026/09/22/whats-ballot-these-midterm-elections/",
          "retrieved_at": "2026-09-24T13:07:56+00:00"
        }
      },
      "significance": {
        "threshold": 5,
        "threshold_unit": "rank",
        "passed": true,
        "reason": "surfaced in the daily Exa news-cycle scan; mechanically matched to an active kalshi market"
      },
      "story": "Analysis of the 2026 midterm ballot finds Democrats hoping to win Congress amid falling Trump approval, while Republicans defend governorships and at least one chamber.",
      "publisher": "Amber Phillips",
      "published_at": "2026-09-23T13:06:58.311Z",
      "source_url": "https://www.washingtonpost.com/politics/2026/09/22/whats-ballot-these-midterm-elections/"
    },
    {
      "type": "pm_response",
      "field_provenance": {
        "notes": {
          "tier": "editorial",
          "method": "llm_judge_cm_signal_v1"
        }
      },
      "notes": "Kalshi's 62% is a mild lean toward GOP retaining at least one chamber; the 93% OR-3 Democratic contract illustrates how district-level and chamber-level markets can diverge sharply."
    }
  ],
  "sources": [
    {
      "label": "Amber Phillips: Analysis | What’s on the ballot in these midterm elections",
      "url": "https://www.washingtonpost.com/politics/2026/09/22/whats-ballot-these-midterm-elections/",
      "published_at": "2026-09-23T13:06:58.311Z",
      "retrieved_at": "2026-09-24T13:07:56+00:00"
    }
  ],
  "field_provenance": {
    "pm_data": "kalshi_api",
    "news_context": "exa_search",
    "editorial_judgment": "cm_signal_llm_judge"
  },
  "canonical_urls": {
    "html": "https://clearmarket.fyi/signals/gop-holds-1-chamber-after-midterms-kalshi-62-2026-09-23/",
    "json": "https://clearmarket.fyi/signals/gop-holds-1-chamber-after-midterms-kalshi-62-2026-09-23.json"
  },
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "_provenance_registry": {
    "direct": "Unaltered extraction from primary venue/source API (e.g., polymarket_clob_api, kalshi_api, BLS, FRED). Highest trust tier.",
    "mediated": "Information fetched via grounded agentic retrieval (e.g., perplexity_grounded). MUST carry source_url to the underlying primary source.",
    "derived": "Algorithmic computation from listed inputs. Chain only as fresh as the oldest input timestamp (see as_of).",
    "editorial": "Interpretive classification produced by a versioned LLM prompt template (prompts auditable in github.com/JDSource/clearmarket/prompts)."
  },
  "_provenance_canonical": "https://clearmarket.fyi/schema/provenance/v1"
}