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Symbol Naming Rules

  • Forex: EURUSD
  • Metals: XAUUSD
  • Indices: SPX
  • US Stocks: AAPL.US
  • HK Stocks: 700.HK
  • A-Shares: 000001.SZ (Shenzhen), 600000.SH (Shanghai), 920186.BJ (Beijing)
  • China Futures: BU2609 (regular contract), AP7777 (next continuous), AP8888 (main continuous), AP9999 (weighted continuous)
  • Hong Kong Futures: HSI8888 (Hang Seng Index futures), MHI8888 (Mini Hang Seng Index futures)
  • Crypto: BTCUSDT
China futures use market=CN and type=futures. Regular contract codes change with the delivery month. Continuous symbols are intended for market tracking and do not represent deliverable contracts.

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Timestamp

  • Follow each endpoint’s field description for the time format and unit; do not assume every timestamp is in milliseconds.
  • Unix timestamps are usually in milliseconds, but the capital-flow endpoint uses seconds. Dates may use YYYY-MM-DD; date-times may follow RFC 3339, for example 2026-09-21T05:30:00Z.
  • Unix timestamps identify UTC instants. Parse date-time strings using their included time-zone offset.