{
  "dataset_name": "when2buy-options-data-standard-sample",
  "dataset_version": "1.0.0-draft",
  "schema_version": "1.0.0",
  "brand": "When2Buy \u2014 Options Data Standard",
  "generated_at_utc": "2026-07-29T00:00:00Z",
  "trade_date": "2026-07-29",
  "expiration_date": "2026-07-29",
  "underlying_symbol": "SPY",
  "is_synthetic": true,
  "disclaimer": "All rows are illustrative synthetic example data. Not real market data, not investment advice.",
  "files": [
    {
      "name": "sample_contracts.csv",
      "product": "contract_master",
      "row_count": 20,
      "sha256": "548d3744a5b557461653dad48752a08845961f4f151a8d41223632bb969ab922"
    },
    {
      "name": "sample_chain_snapshot.csv",
      "product": "option_chain_snapshot",
      "row_count": 20,
      "sha256": "04547377dcd4b1844a7f0b033b9c16a568fc45f04962fada18af7542634c71ee"
    },
    {
      "name": "sample_greeks.csv",
      "product": "greeks_iv",
      "row_count": 20,
      "sha256": "9eab7bfff96917335788cbf56797b8dd1ec1a3cf70bbe78f9049bfbecaa72757"
    },
    {
      "name": "sample_quotes.csv",
      "product": "nbbo_quotes",
      "row_count": 20,
      "sha256": "6a28e1b2634c92f705a33ae42828ad9b975982d7b77c13decf86fcce9f27b501"
    },
    {
      "name": "sample_trades.csv",
      "product": "trades",
      "row_count": 8,
      "sha256": "2ab4a507da61008b0dc5509bcf7e183fd96749e49306b2d08a53bdf1a131ed29"
    },
    {
      "name": "sample_underlying_bars.csv",
      "product": "underlying_ohlcv",
      "row_count": 10,
      "sha256": "e2be29d47556d737d714246db2ad3a457861982dd9722e1c78b7d7da77e1a902"
    },
    {
      "name": "data-spec.json",
      "product": "machine_readable_schema",
      "row_count": null,
      "sha256": "1067f2f1890c22999d64b30c3f3f12f4efb96ba3d156d72afe5c9049bb6faeaf"
    }
  ]
}