{
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  "record_id": "CMSIG2026101207",
  "record_slug": "gop-holds-at-least-one-chamber-after-midterms-kalshi-61-2026-10-12",
  "schema_version": "v0.2.0",
  "provenance_version": "0.2.0",
  "published_at": "2026-10-12T00:00:00.000Z",
  "semantic_title": "Republicans retaining at least one chamber holds above 50 percent",
  "telemetry": "Kalshi 61%",
  "headline": "GOP holds at least one chamber after midterms: Kalshi 61%",
  "category_tag": "MOMENTUM_REPRICING",
  "secondary_tags": [],
  "detection_path": "news_cycle",
  "pre_news_classification": "concurrent",
  "status": {
    "state": "live",
    "as_of": "2026-10-21",
    "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": 0.61,
    "volume_24h_usd": 15552.97,
    "arbitration_model": "kalshi_staff",
    "resolution_source": "Bureau of Labor Statistics",
    "resolves_at": "2027-02-01T15:00:00Z"
  },
  "related_markets": [],
  "bullets": [
    "Kalshi puts 61% on Republicans controlling at least one chamber of Congress after the 2026 midterms, resolved via Bureau of Labor Statistics classification of congressional outcomes.",
    "Tightening Senate races in Texas and Michigan are consistent with a competitive environment, but the market still leans Republican on chamber control.",
    "A companion Kalshi contract on the TX-28 House race sits at 88% for Republicans, suggesting individual seat-level markets are more confident than the aggregate chamber control contract.",
    "The OH-12 House race sits at 96% for Republicans on Polymarket, indicating safe GOP seats are firm while the Senate margin drives the overall chamber uncertainty."
  ],
  "atomic_claims": [
    {
      "type": "news_event",
      "field_provenance": {
        "story": {
          "tier": "mediated",
          "method": "exa_search",
          "source": "cnnbc.com",
          "source_url": "https://cnnbc.com/trump-rallies-republicans-in-ohio-as-texas-and-michigan-senate-races-tighten",
          "retrieved_at": "2026-10-12T07:49:04+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": "Trump campaigned in Ohio as Senate races in Texas and Michigan narrowed to within the margin of error ahead of the 2026 midterms.",
      "publisher": "cnnbc.com",
      "published_at": "2026-10-12T00:00:00.000Z",
      "source_url": "https://cnnbc.com/trump-rallies-republicans-in-ohio-as-texas-and-michigan-senate-races-tighten"
    },
    {
      "type": "pm_response",
      "field_provenance": {
        "notes": {
          "tier": "editorial",
          "method": "llm_judge_cm_signal_v1"
        }
      },
      "notes": "Kalshi's Republican chamber control contract is the broadest midterm positioning vehicle currently active, with resolution tied to the official congressional composition post-election."
    }
  ],
  "sources": [
    {
      "label": "cnnbc.com: Trump Rallies Republicans in Ohio as Texas and Michigan Senate Races T",
      "url": "https://cnnbc.com/trump-rallies-republicans-in-ohio-as-texas-and-michigan-senate-races-tighten",
      "published_at": "2026-10-12T00:00:00.000Z",
      "retrieved_at": "2026-10-12T07:49:04+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-at-least-one-chamber-after-midterms-kalshi-61-2026-10-12/",
    "json": "https://clearmarket.fyi/signals/gop-holds-at-least-one-chamber-after-midterms-kalshi-61-2026-10-12.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)."
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