low cost option brokers?# Stocko*l2010-08-17 07:081 楼which brokerage firm do you guys use to trade large quantity options?
c*r2010-08-17 07:087 楼0.75+fee【在 g**********g 的大作中提到】: 看了一圈,IB最便宜。$0.75/contract?: why mine is $1.01?