etrade那个6.99一手有fine prints的

"To qualify for $6.99 commissions for stock and options and a 75¢ fee per options contract, you must execute 500 or more stock or options trades per month. To qualify for $9.99 commissions for stocks and options and a 75¢ fee per options contract, you must execute 10-49 stock or options trades per month or maintain a balance of $50,000 or more in combined E*TRADE Securities and E*TRADE Bank accounts. To continue receiving these commission rates, you must re-qualify by maintaining a balance of $50,000 or more in combined E*TRADE Securities and E*TRADE Bank accounts or by making at least 30 stock or options trades by the end of the following calendar quarter. "

Scottrade最进好像server不是很稳定, 早两个月前down过一次, 前几天又down一次.