{
  "_notice": {
    "type": "free_key_offer",
    "message": "Free and anonymous access is staying. If this endpoint is in your pipeline, a free key adds advance notice before any schema change or deprecation. POST /v1/keys {\"email\": \"you@firm.com\"} — nothing else required. Something broken or missing? hello@clearmarket.fyi reaches a human.",
    "docs": "https://clearmarket.fyi/for-data/",
    "policy": "This field is additive and its shape will not change."
  },
  "event_id": "CM-EVT-N7GQBKNGS8",
  "slug": "kxcriticality-26aug",
  "question": "Which nuclear power companies will achieve criticality before August 2026?",
  "category": "technology",
  "event_type": "BINARY",
  "ladder_distribution": null,
  "tags": [
    "technology",
    "nuclear-power",
    "reactor-criticality",
    "2026",
    "energy-technology",
    "company-milestone"
  ],
  "catalyst_types": [],
  "catalyst_dates": [],
  "editorial_notes": "These ten Kalshi markets each track whether a named advanced nuclear developer achieves first criticality before August 2026. Each company — including Oklo, Last Energy, Terrestrial Energy, and seven others — is priced as a separate binary contract. Resolution relies on International Atomic Energy Agency public records, determined by Kalshi staff. All contracts close August 1, 2026.",
  "venues_covered": [
    "kalshi"
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  "primary_market_id": "CM-MKT-WZYLV293B4",
  "current_primary_mark": {
    "last_price": 0.94,
    "implied_probability": 0.94
  },
  "created_at": "2026-07-06T00:30:45.836226+00:00",
  "updated_at": "2026-07-06T00:30:45.836226+00:00",
  "markets": [
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      "market_id": "CM-MKT-VHLX6HBBR1",
      "event_id": "CM-EVT-N7GQBKNGS8",
      "platform": "kalshi",
      "platform_market_id": "KXCRITICALITY-26AUG-AALO",
      "question": "Which nuclear power companies will achieve criticality before Aug 2026?",
      "description": "Aalo Atomics",
      "contract_type": "binary",
      "settlement_currency": "USD",
      "underlying_reference": "Aalo Atomics: The International Atomic Energy Agency's public records determine whether the named company achieves criticality, resolved by Kalshi staff on or after August 1, 2026.",
      "close_at": "2026-08-01T03:59:00Z",
      "resolve_at": "2026-08-01T14:00:00Z",
      "status": "open",
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        "arbitration_model": "kalshi_staff",
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            "name": "World Nuclear News",
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        "rules_raw": "If Antares Nuclear achieves criticality before Aug 1, 2026, then the market resolves to Yes.",
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      "platform": "kalshi",
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      "question": "Which nuclear power companies will achieve criticality before Aug 2026?",
      "description": "Atomic Alchemy",
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