| Name | Type | Description | Notes |
|---|---|---|---|
| name | String | Futures contract | [optional] |
| tag | String | tag | [optional] |
| create_time | Number | Creation time | [optional] |
| expiration_time | Number | Expiration time | [optional] |
| is_call | Boolean | `true` means call options, while `false` is put options | [optional] |
| multiplier | String | Multiplier used in converting from invoicing to settlement currency | [optional] |
| underlying | String | Underlying | [optional] |
| underlying_price | String | Underlying price | [optional] |
| last_price | String | Last trading price | [optional] |
| mark_price | String | Current mark price | [optional] |
| index_price | String | Current index price | [optional] |
| maker_fee_rate | String | Maker fee rate, where negative means rebate | [optional] |
| taker_fee_rate | String | Taker fee rate | [optional] |
| order_price_round | String | Minimum order price increment | [optional] |
| mark_price_round | String | Minimum mark price increment | [optional] |
| order_size_min | Number | Minimum order size the contract allowed | [optional] |
| order_size_max | Number | Maximum order size the contract allowed | [optional] |
| order_price_deviate | String | deviation between order price and current index price. If price of an order is denoted as order_price, it must meet the following condition: abs(order_price - mark_price) <= mark_price * order_price_deviate | [optional] |
| ref_discount_rate | String | Referral fee rate discount | [optional] |
| ref_rebate_rate | String | Referrer commission rate | [optional] |
| orderbook_id | Number | Current orderbook ID | [optional] |
| trade_id | Number | Current trade ID | [optional] |
| trade_size | Number | Historical accumulated trade size | [optional] |
| position_size | Number | Current total long position size | [optional] |
| orders_limit | Number | Maximum number of open orders | [optional] |