| Name | Type | Description | Notes |
|---|---|---|---|
| symbol | str | Unique trading pair identifier in the format ExchangeType_BusinessType_Base_Counter. Stocks and ETFs use the market as ExchangeType (US/HK/KR/JP) and STOCK or ETF as the business type, for example US_STOCK_AAPL_USDT, HK_STOCK_00700_USDT, or US_ETF_SPY_USDT. | |
| exchange_type | str | Exchange type (BINANCE / OKX / GATE / BYBIT / KRAKEN / HYPERLIQUID / DERIBIT / LIGHTER). Stocks and ETFs return the listing market (US / HK / KR / JP) | |
| business_type | str | Business type (SPOT: spot / FUTURE: futures / MARGIN: margin / STOCK: stocks / ETF: exchange-traded funds) | |
| state | str | Status (`live` running / `suspend` paused). | |
| min_size | str | Minimum order quantity | |
| min_notional | str | Minimum Order Value | |
| lot_size | str | Quantity Step | |
| tick_size | str | Price Step | |
| max_num_orders | str | maximumopen orderamount | |
| max_market_size | str | Maximum Market Order Quantity | |
| max_limit_size | str | Maximum order quantity for limit orders. | |
| contract_size | str | Contract multiplier (deprecated; quantity is used uniformly) | |
| liquidation_fee | str | Liquidation Fee Rate | |
| delist_time | str | Millisecond timestamp; `0` means not delisted. | |
| support_rpi | str | Whether RPI order placement is supported (true if supported; false otherwise) | [optional] |
| support_cross | str | Whether cross-margin order placement is supported (true if supported; false otherwise) | [optional] |
| tag | str | Tag information. Hyperliquid returns DEX information, stocks and ETFs return the security description, and other businesses return an empty string |