{
  "_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-J6C4MZWP93",
  "slug": "spx-opens-up-or-down-on-june-12-2026",
  "question": "Will the S&P 500 (SPX) open up or down on June 12?",
  "category": "financials",
  "event_type": "BINARY",
  "ladder_distribution": null,
  "tags": [
    "financials",
    "finance",
    "spx",
    "market-direction",
    "daily-resolution",
    "equities"
  ],
  "catalyst_types": [],
  "catalyst_dates": [],
  "editorial_notes": "This market tracks whether the S&P 500 Index opens higher or lower on June 12, 2026. S&P Dow Jones Indices is the authoritative publisher of official opening and closing index levels. Resolution is handled through Polymarket's UMA Optimistic Oracle. Only one platform structures this event, so no cross-platform contrast applies.",
  "venues_covered": [
    "polymarket"
  ],
  "primary_market_id": "CM-MKT-HKZWH8QH98",
  "current_primary_mark": {
    "last_price": 1,
    "implied_probability": 1
  },
  "created_at": "2026-07-06T00:30:45.836226+00:00",
  "updated_at": "2026-07-06T00:30:45.836226+00:00",
  "markets": [
    {
      "market_id": "CM-MKT-HKZWH8QH98",
      "event_id": "CM-EVT-J6C4MZWP93",
      "platform": "polymarket",
      "platform_market_id": "0x40fbcf9f6994b4a5cca3190b8fb9c21ad7aa2c62a7ad36cda1772b202f4977d1",
      "question": "S&P 500 (SPX) Opens Up or Down on June 12?",
      "description": "This market will resolve to \"Up\" if the official S&P 500 Index open price for S&P 500 (SPX) on June 12 is higher than the official S&P 500 Index closing price for SPX on the most recent prior trading day.\n\nThis market will resolve to \"Down\" if the official S&P 500 Index open price for S&P 500 (SPX) on June 12 is lower than the official S&P 500 Index closing price for SPX on the most recent prior trading day.\n\nE.g., ordinarily, a market on Monday would refer to the previous Friday for its most recent closing price, unless that Friday were a market holiday, in which case it would refer to Thursd",
      "contract_type": "binary",
      "settlement_currency": "USDC",
      "underlying_reference": "S&P Dow Jones Indices publishes the official S&P 500 Index opening and closing prices for June 12, 2026.",
      "close_at": "2026-06-12T20:00:00Z",
      "resolve_at": "2026-06-12T20:00:00Z",
      "status": "resolved",
      "resolution": {
        "rules_raw": "This market will resolve to \"Up\" if the official S&P 500 Index open price for S&P 500 (SPX) on June 12 is higher than the official S&P 500 Index closing price for SPX on the most recent prior trading day.\n\nThis market will resolve to \"Down\" if the official S&P 500 Index open price for S&P 500 (SPX) on June 12 is lower than the official S&P 500 Index closing price for SPX on the most recent prior trading day.\n\nE.g., ordinarily, a market on Monday would refer to the previous Friday for its most recent closing price, unless that Friday were a market holiday, in which case it would refer to Thursday, or the next most recent trading day.\n\nIf the two prices are exactly equal, this market will resolve 50-50. Note that all figures will be rounded to the nearest cent using standard rounding.\n\nIf SPX does not trade at all during the regular session, the market will resolve 50-50.\n\nIf either of the relevant days are shortened (for example, due to a market holiday schedule), the official open/close price published by S&P 500 Index for that shortened session will still be used for resolution.\n\nIf the previous trading day has no official closing price (for example, due to a trading halt into the market close, system issue, delisting, or other disruption), the market will use the last valid on-exchange trade price of the regular session as the effective closing price.\n\nThe resolution source for this market is the Wall Street Journal, specifically the Open/Close values published by the WSJ under \"Historical Prices\".\n\nUS: https://www.wsj.com/market-data/stocks\nEMEA: https://www.wsj.com/market-data/stocks/emea\nASIA: https://www.wsj.com/market-data/stocks/asia",
        "arbitration_model": "uma_oracle",
        "proposer": "managed_whitelist",
        "source": "https://www.wsj.com/market-data/stocks",
        "source_status": "platform_named",
        "source_citation": null,
        "sources": [
          {
            "name": "https://www.wsj.com/market-data/stocks",
            "url": null,
            "provenance": "platform_api"
          },
          {
            "name": "wsj.com",
            "url": "https://www.wsj.com/market-data/stocks",
            "provenance": "platform_api"
          },
          {
            "name": "wsj.com",
            "url": "https://www.wsj.com/market-data/stocks/emea",
            "provenance": "platform_api"
          },
          {
            "name": "wsj.com",
            "url": "https://www.wsj.com/market-data/stocks/asia",
            "provenance": "platform_api"
          },
          {
            "name": "Wall Street Journal",
            "url": null,
            "provenance": "clearmarket_editorial"
          },
          {
            "name": "S&P 500 Index",
            "url": null,
            "provenance": "clearmarket_editorial"
          }
        ],
        "source_of_record": "Wall Street Journal",
        "source_mechanism": "single_authority",
        "source_type": null,
        "source_quality": null,
        "source_commitment": "named",
        "source_commitment_subtype": "committed_secondhand",
        "source_hedge_text": null
      },
      "rcg": {
        "grade": "C",
        "score": 84,
        "caps": [
          "commitment_committed_secondhand"
        ],
        "applied_factors": 6
      },
      "last_price": 1,
      "implied_probability": 1,
      "volume_24h_usd": 119761.11733300002,
      "volume_total_usd": 119761.117333,
      "settlement_style": "terminal",
      "direction": "occurrence",
      "threshold": null,
      "question_id": "CMX-4C1E68EB56",
      "also_on": null,
      "tags": [
        "500",
        "equity index",
        "spx",
        "us"
      ],
      "eligibility_screens": null
    }
  ],
  "resolution_log": [
    {
      "market_id": "CM-MKT-HKZWH8QH98",
      "platform": "polymarket",
      "event_type": "resolved",
      "outcome": "YES",
      "resolved_at": "2026-06-12T22:49:18Z",
      "deadline_at": null,
      "occurred_basis": "venue_settlement",
      "final_price": 1,
      "recorded_at": "2026-07-06",
      "source": "platform_api",
      "source_ref": null
    }
  ],
  "_provenance": {
    "source": "clearmarket.fyi",
    "ref": "CM-EVT-J6C4MZWP93",
    "terms": "Attribution required. clearmarket.fyi"
  }
}