How commission rebates are calculated?
Futures volume counts 1.5 times to that of Spot, clients' rebate is counted by summing up the total trade volumn of both according to relavant tiers.
Rebate calculating example
At month end, a client traded 1 milion USD Spot trade and 6 millions USD Futures trade.
1. Turnover = 1 (Spot) + 9 (Futures 6*1.5X) = 10 mil USD ;
2. which belongs to the tier of 0.05% Maker's fee；
3. Rebate = Return per trade commission * (1-0.05/0.06) for all maker trades
4. Rebate = Return per trade commission * (1-0.08/0.10) for all taker trades
5. Aggregate all commission rebate, make a rebate per currency