{
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  "schema_version": "v0.2.0",
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  "published_at": "2026-10-25T07:48:52+00:00",
  "semantic_title": "Traders pile into exact 53-seat GOP Senate bet at long-shot odds",
  "telemetry": "6% · $196K 24h",
  "headline": "GOP holds exactly 53 seats: 6% on $196K surge",
  "category_tag": "VOLUME_SPIKE",
  "secondary_tags": [],
  "detection_path": "volume_spike",
  "pre_news_classification": "pre_news",
  "status": {
    "state": "live",
    "as_of": "2026-10-25",
    "outcome": null,
    "outcome_basis": null,
    "final_price": null,
    "resolved_at": null
  },
  "target_event_id": "CM-EVT-93ZW3RYZF7",
  "target_event_slug": "republican-senate-seats-after-the-2026-midterm-elections-927",
  "event_question": "Will Republicans hold more than 50 Senate seats after the 2026 midterm elections?",
  "linked_event_ids": [],
  "primary_market": {
    "platform": "polymarket",
    "platform_market_id": "0x812d9ea644c58f1e889643bbd9184e9c5fdacbba55d1f9fef2eb2d55ce5dc1c2",
    "question_raw": "Will the Republican Party hold exactly 53 Senate seats after the 2026 midterm elections?",
    "current_price": 0.065,
    "volume_24h_usd": 196228.60877500003,
    "volume_cumulative_usd": 356314.869989,
    "arbitration_model": "uma_oracle"
  },
  "related_markets": [],
  "bullets": [
    "Polymarket prices a precise 53-seat Republican Senate outcome at just 6%, reflecting narrow path probability.",
    "24h volume of $196K equals 55% of all-time handle, signaling outsized fresh commitment to this contract.",
    "Attention likely driven by tightening Senate race projections and seat-count modeling as midterm results loom.",
    "Contract resolves on certified 2026 midterm seat totals; exact count bets carry higher variance than binary control markets."
  ],
  "atomic_claims": [
    {
      "type": "volume_anomaly",
      "provenance": "24h + cumulative volume direct from polymarket API; intensity = 24h/cumulative (derived)",
      "field_provenance": {
        "volume_24h_usd": {
          "tier": "direct",
          "method": "polymarket_api"
        },
        "intensity": {
          "tier": "derived",
          "method": "arithmetic",
          "inputs": [
            "volume_24h_usd",
            "volume_cumulative_usd"
          ]
        }
      },
      "liquidity_context": {
        "poly_vol_24h_usd": 196228.60877500003
      }
    }
  ],
  "sources": [
    {
      "label": "ClearMarket market record: Will Republicans hold more than 50 Senate seats after t",
      "url": "https://clearmarket.fyi/events/republican-senate-seats-after-the-2026-midterm-elections-927",
      "retrieved_at": "2026-10-25T07:48:52+00:00"
    }
  ],
  "field_provenance": {
    "pm_data": "polymarket_api",
    "news_context": "retrieval_grounded",
    "editorial_judgment": "cm_signal_llm_judge"
  },
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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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