品种合约代码开仓手续费平仓手续费短线开仓手续费短线平仓手续费行权/履约手续费每手交易保证金苯乙烯eb2405-C-100000.50.50.50.512,322.7苯乙烯eb2405-C-102000.50.50.50.511,955.1豆二b2405-C-30000.20.20.20.20.510...