{
  "$schema": "https://clearmarket.fyi/schema/signal/v1.json",
  "record_id": "CMSIG20260726DV03",
  "record_slug": "gamestop-m-a-k17-p12",
  "schema_version": "v0.2.0",
  "provenance_version": "0.2.0",
  "published_at": "2026-07-26T09:57:01+00:00",
  "semantic_title": "GameStop acquiring eBay stays near long-shot odds, splits across venues",
  "telemetry": "Polymarket 12% vs Kalshi 17%",
  "headline": "GameStop acquires eBay before Jan 1, 2027: Kalshi 17% vs Polymarket 12%",
  "category_tag": "CROSS_VENUE_DIVERGENCE",
  "secondary_tags": [],
  "detection_path": "cross_venue_divergence",
  "pre_news_classification": "concurrent",
  "status": {
    "state": "live",
    "as_of": "2026-07-28",
    "outcome": null,
    "outcome_basis": null,
    "final_price": null,
    "resolved_at": null
  },
  "target_event_id": "CM-EVT-MSHFPKDL10",
  "target_event_slug": "kxacqannounceebay-27jan01",
  "event_question": "Will GameStop announce acquisition of eBay before Jan 1, 2027?",
  "linked_event_ids": [],
  "primary_market": {
    "platform": "polymarket",
    "platform_market_id": "0x32e869cb0f7316273417ec79aa94c8a139f8c390ebff8a24150a18753d257f8e",
    "question_raw": "Will GameStop acquire eBay?",
    "current_price": 0.12,
    "volume_cumulative_usd": 2250313.3986669835,
    "arbitration_model": "uma_oracle",
    "resolves_at": "2026-12-31T00:00:00Z"
  },
  "related_markets": [
    {
      "platform": "kalshi",
      "platform_market_id": "KXACQANNOUNCEEBAY-27JAN01-JAN01",
      "question_raw": "Will GameStop announce acquisition of eBay before Jan 1, 2027?",
      "current_price": 0.17
    }
  ],
  "bullets": [
    "Kalshi prices the claim at 17%, Polymarket at 12%, a 5pp gap.",
    "Polymarket is lower at 12% with $2,250,313 in volume; Kalshi higher at 17% with $407,951.",
    "Polymarket's deep liquidity gives its 12% substantially more credibility; the 5pp gap may reflect Kalshi's smaller, less contested book.",
    "Resolves YES on any official GameStop announcement of an eBay acquisition before Jan 1, 2027."
  ],
  "atomic_claims": [
    {
      "type": "cross_venue_spread",
      "provenance": "CM cross-venue link (question_id CMX-668B0D0580); prices direct from venue APIs",
      "field_provenance": {
        "kalshi_price": {
          "tier": "direct",
          "method": "kalshi_api"
        },
        "poly_price": {
          "tier": "direct",
          "method": "polymarket_clob_api"
        },
        "divergence_pp": {
          "tier": "derived",
          "method": "arithmetic",
          "inputs": [
            "kalshi_price",
            "poly_price"
          ]
        }
      },
      "liquidity_context": {
        "poly_vol_24h_usd": 79.02862700000001,
        "kalshi_vol_24h_usd": 2267.87
      }
    }
  ],
  "sources": [
    {
      "label": "ClearMarket cross-venue record: Will GameStop announce acquisition of eBay before Jan 1, 202",
      "url": "https://clearmarket.fyi/compare/gamestop-mna-y-2026",
      "retrieved_at": "2026-07-26T09:57:01+00:00"
    }
  ],
  "field_provenance": {
    "pm_data": "kalshi_api, polymarket_clob_api",
    "news_context": "retrieval_grounded",
    "editorial_judgment": "cm_signal_llm_judge"
  },
  "canonical_urls": {
    "html": "https://clearmarket.fyi/signals/gamestop-m-a-k17-p12/",
    "json": "https://clearmarket.fyi/signals/gamestop-m-a-k17-p12.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"
}