{
  "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": "market",
  "data": {
    "id": "twse",
    "session": {
      "open": "09:00",
      "close": "13:30",
      "timezone": "Asia/Taipei",
      "lunch_break": null,
      "pre_market": null,
      "post_market": null,
      "settlement": null
    },
    "session_note": "Unlike the venues checked by hand, these hours come from the two independently maintained open calendars this dataset cross-checks against, which agree on them — not from the exchange's own publication. Cross-checked but not primary, and the settlement cycle is left blank rather than guessed.",
    "mic": "XTAI",
    "name": "Taiwan Stock Exchange (TWSE)",
    "country": "taiwan",
    "type": "Stock exchange",
    "currency": "TWD",
    "timezone": "Asia/Taipei",
    "operator": "Taiwan Stock Exchange Corporation",
    "note": "Taiwan's main equity venue, dominated by semiconductor manufacturers; its open data service publishes listed-company and market statistics without a key, which is unusual among exchanges.",
    "segment_mics": [],
    "benchmarks": [],
    "operator_lei": "549300NH6S3EOUMY2162",
    "website": "https://www.twse.com.tw/en/",
    "city": "Taipei"
  },
  "field_provenance": {
    "mic": "ISO 10383 registry (SWIFT, open) — operating MIC.",
    "segment_mics": "ISO 10383 registry (SWIFT, open) — segment MICs, verified against the registry file.",
    "operator_lei": "GLEIF (CC0).",
    "session": "Hours and the settlement cycle compiled from the venue's own published trading calendar and the settlement rule in force at the dataset date; exact, change-prone facts — verify before operational use.",
    "benchmarks": "The venue's own published benchmark indices."
  },
  "links": {
    "html": "https://finance.foundation/markets/twse",
    "graph": "https://finance.foundation/api/v1/graph/markets/twse",
    "sources": "https://finance.foundation/api/v1/sources"
  }
}