Trading fee
Trading fee (USD-margined option)= position size * underlying price * fee rate
Maker Fee: 0.02%
Taker Fee: 0.05%
Note: Taker/Maker Fee cannot be higher than 12.5% of the option value.
Delivery fee
Delivery fee (USD-margined option) = position size * delivery price * fee rate
Delivery fee rate:
0% for daily options
0.015% for all other options (Delivery fee cannot be higher than 12.5% of the option value)
Forced liquidation fee
Forced liquidation fee (USD-margined option) = position size * underlying price * fee rate
Liquidation fee rate:0.5%
The liquidation fee after subtracting trading fee will be automatically allocated into the BIT insurance fund.
For example, if a liquidation order is filled as a taker order, 0.45% of the order value will be allocated into the insurance fund and 0.05% of the order value will be charged as a regular taker fee, which adds up to a total liquidation fee of 0.5% of the order value.