{
  "data_version": "seed-0.7 · marketcap-1 · 2026-08-30",
  "source": "https://finance.foundation",
  "license": {
    "finance_foundation_data": "CC BY 4.0 — attribution: Finance Foundation (https://finance.foundation)",
    "upstream_values": "Fields sourced from a provider carry their own source field and remain under that provider's terms — see https://finance.foundation/api/v1/sources"
  },
  "entity": "asset",
  "data": {
    "id": "sp500",
    "name": "S&P 500",
    "symbol": "SPX",
    "type": "Index",
    "category": "Equity index",
    "currency": "USD",
    "market": "CME / CBOE",
    "issuer": "S&P Dow Jones Indices",
    "description": "500 large US companies; the default benchmark for global equity performance and the underlying of the world's largest ETFs.",
    "venues": {
      "venues": [
        "nyse",
        "nasdaq",
        "cme",
        "cboe"
      ],
      "also": [
        "S&P Dow Jones Indices"
      ],
      "role": "calculated across, derivatives listed on",
      "links": [
        "https://finance.foundation/api/v1/markets/nyse",
        "https://finance.foundation/api/v1/markets/nasdaq",
        "https://finance.foundation/api/v1/markets/cme",
        "https://finance.foundation/api/v1/markets/cboe"
      ],
      "note": "Covered venues this asset is tied to. `also` names venues and index providers that matter but are not entities here; `market` on the entity remains the human label."
    }
  },
  "field_provenance": {
    "description": "Finance Foundation editorial summary; specific statistics inside it name their source in the text. Live levels, where we carry them, are in /api/v1/live with per-observation source and retrieval time."
  },
  "links": {
    "html": "https://finance.foundation/assets/sp500",
    "graph": "https://finance.foundation/api/v1/graph/assets/sp500",
    "sources": "https://finance.foundation/api/v1/sources"
  }
}