{
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  "record_slug": "republicans-control-at-least-one-chamber-kalshi-63-2026-10-28",
  "schema_version": "v0.2.0",
  "provenance_version": "0.2.0",
  "published_at": "2026-10-28T00:00:00.000Z",
  "semantic_title": "Republicans holding at least one chamber after midterms near 63 percent",
  "telemetry": "Kalshi 63%",
  "headline": "Republicans control at least one chamber: Kalshi 63%",
  "category_tag": "MOMENTUM_REPRICING",
  "secondary_tags": [],
  "detection_path": "news_cycle",
  "pre_news_classification": "concurrent",
  "status": {
    "state": "live",
    "as_of": "2026-10-28",
    "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": 0.63,
    "volume_24h_usd": 596520.64,
    "arbitration_model": "kalshi_staff",
    "resolution_source": "Bureau of Labor Statistics",
    "resolves_at": "2027-02-01T15:00:00Z"
  },
  "related_markets": [],
  "bullets": [
    "Kalshi prices 63% on Republicans retaining control of at least one chamber of Congress after the 2026 midterms, resolving via the Bureau of Labor Statistics.",
    "Trump's effort to influence voting rules via courts adds legal uncertainty heading into Election Day; the 63% pricing suggests the market sees a Republican majority as more likely than not but far from certain.",
    "Democrats leading national polls, as noted in Al Jazeera's midterm coverage, is consistent with the contract sitting below 75%, reflecting a genuine competitive race.",
    "The Kalshi contract on Republicans holding more governorships than Democrats (CM-EVT-4DFCBXLZN6) at 74% trades above the chamber-control contract, implying the market sees the gubernatorial map as more favorable Republican territory than Congress."
  ],
  "atomic_claims": [
    {
      "type": "news_event",
      "field_provenance": {
        "story": {
          "tier": "mediated",
          "method": "exa_search",
          "source": "Jonathan Shorman",
          "source_url": "https://www.newsfromthestates.com/article/courts-decide-fate-trumps-latest-push-control-voting-election-day-nears",
          "retrieved_at": "2026-10-28T14:49:33+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": "Courts are deciding the fate of Trump's latest push to control voting as Election Day approaches within a week.",
      "publisher": "Jonathan Shorman",
      "published_at": "2026-10-28T00:00:00.000Z",
      "source_url": "https://www.newsfromthestates.com/article/courts-decide-fate-trumps-latest-push-control-voting-election-day-nears"
    },
    {
      "type": "pm_response",
      "field_provenance": {
        "notes": {
          "tier": "editorial",
          "method": "llm_judge_cm_signal_v1"
        }
      },
      "notes": "Kalshi at 63% on at least one Republican chamber reflects a competitive midterm environment with Democrats leading national polls but Republicans holding structural advantages in key seats."
    }
  ],
  "sources": [
    {
      "label": "Jonathan Shorman: Courts to decide fate of Trump’s latest push to control voting as Elec",
      "url": "https://www.newsfromthestates.com/article/courts-decide-fate-trumps-latest-push-control-voting-election-day-nears",
      "published_at": "2026-10-28T00:00:00.000Z",
      "retrieved_at": "2026-10-28T14:49:33+00:00"
    }
  ],
  "field_provenance": {
    "pm_data": "kalshi_api",
    "news_context": "exa_search",
    "editorial_judgment": "cm_signal_llm_judge"
  },
  "canonical_urls": {
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    "json": "https://clearmarket.fyi/signals/republicans-control-at-least-one-chamber-kalshi-63-2026-10-28.json"
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  "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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