These days, the brokerage fee for trading, especially for the online broker, is trending cheaper and cheaper. In U.S market, for stock it’s not unusual to trade under $10 flat fee, for stock even in order of $1 a contract or less… And with fierce competition the price is heading down. But is it really as investor or trader we will significantly reduce our trading cost ? Probably, yes.. but you still need to consider the hidden cost in your trading that is experience by anybody without exemption: the spread!