{
  "_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-HBGW6VZXN6",
  "slug": "spacex-ipo-officially-added-to-sp-500-in-2026-20260608202834697",
  "question": "Will SpaceX be officially added to the S&P 500 in 2026?",
  "category": "financials",
  "event_type": "BINARY",
  "ladder_distribution": null,
  "tags": [
    "financials",
    "finance",
    "sp-500",
    "spacex",
    "ipo",
    "index-inclusion"
  ],
  "catalyst_types": [],
  "catalyst_dates": [],
  "editorial_notes": "This market tracks whether SpaceX will be officially added to the S&P 500 index by December 31, 2026. S&P Dow Jones Indices serves as the authoritative source for index constituent changes. Only one platform structures this event, so no cross-platform contrast applies. Resolution follows Polymarket's UMA Optimistic Oracle against formal S&P Dow Jones Indices announcements.",
  "venues_covered": [
    "polymarket"
  ],
  "primary_market_id": "CM-MKT-CWQ9QQNT53",
  "current_primary_mark": {
    "last_price": 0.033,
    "implied_probability": 0.033
  },
  "created_at": "2026-08-04T20:03:51.865287+00:00",
  "updated_at": "2026-08-04T20:03:51.865287+00:00",
  "markets": [
    {
      "market_id": "CM-MKT-CWQ9QQNT53",
      "event_id": "CM-EVT-HBGW6VZXN6",
      "platform": "polymarket",
      "platform_market_id": "0xdfe1ba56a9168c2b97632085f063bc3ae13e3de21323dd80e78c241d9d0771fb",
      "question": "SpaceX IPO: Officially added to S&P 500 in 2026?",
      "description": "The S&P 500 undergoes quarterly reconstitution on the third Friday of March, June, September, and December.\n\nThis market will resolve to \"Yes\" if S&P Global Inc. announces that SpaceX will be added to the S&P 500 index by December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to \"No.\"\n\nAn announcement from S&P will qualify for a \"Yes\" resolution, regardless of whether the listed company has actually been added to the S&P 500 index by the resolution date.\n\nThe primary resolution source will be official announcements from S&P Global Inc. (https://www.spglobal.com/en/press/press-rele",
      "contract_type": "binary",
      "settlement_currency": "USDC",
      "underlying_reference": "S&P Global Inc. announces whether SpaceX will be added to the S&P 500 index by December 31, 2026.",
      "close_at": "2027-01-01T04:59:00Z",
      "resolve_at": "2027-01-01T04:59:00Z",
      "status": "open",
      "resolution": {
        "rules_raw": "The S&P 500 undergoes quarterly reconstitution on the third Friday of March, June, September, and December.\n\nThis market will resolve to \"Yes\" if S&P Global Inc. announces that SpaceX will be added to the S&P 500 index by December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to \"No.\"\n\nAn announcement from S&P will qualify for a \"Yes\" resolution, regardless of whether the listed company has actually been added to the S&P 500 index by the resolution date.\n\nThe primary resolution source will be official announcements from S&P Global Inc. (https://www.spglobal.com/en/press/press-release).",
        "arbitration_model": "uma_oracle",
        "proposer": "managed_whitelist",
        "source": null,
        "source_status": "platform_named",
        "source_citation": "https://www.spglobal.com/en/press/press-release",
        "sources": [
          {
            "name": "spglobal.com",
            "url": "https://www.spglobal.com/en/press/press-release",
            "provenance": "platform_api"
          },
          {
            "name": "S&P Global Inc.",
            "url": null,
            "provenance": "clearmarket_editorial"
          },
          {
            "name": "https://www.spglobal.com/en/press/press-release",
            "url": null,
            "provenance": "clearmarket_editorial"
          }
        ],
        "source_of_record": "S&P Global Inc.",
        "source_mechanism": "single_authority",
        "source_type": null,
        "source_quality": null,
        "source_commitment": "named",
        "source_commitment_subtype": "named",
        "source_hedge_text": null
      },
      "rcg": {
        "grade": "B",
        "score": 76,
        "caps": [],
        "applied_factors": 6
      },
      "last_price": 0.033,
      "implied_probability": 0.033,
      "volume_24h_usd": null,
      "volume_total_usd": 18330.238750000004,
      "settlement_style": "occurrence",
      "direction": "occurrence",
      "threshold": null,
      "question_id": "CMX-E3324E2D13",
      "also_on": null,
      "tags": [
        "index",
        "ipo",
        "s&p500",
        "spacex"
      ],
      "eligibility_screens": null
    }
  ],
  "resolution_log": [],
  "_provenance": {
    "source": "clearmarket.fyi",
    "ref": "CM-EVT-HBGW6VZXN6",
    "terms": "Attribution required. clearmarket.fyi"
  }
}