Thanks for your reply! Mastertrader looks promising, but with every order hitting a routing fee of $.003 looks like every trade of 10,000 shares would cost $30 + flat rate comission unless I am missing something. Eoption seems decent and with 4 free routes that would be a lot cheaper.
How are...
Don't laugh, but with the high volume of stocks being traded I still use Etrade. Flat rate helps me save on commissions but lately their slow execution seems to be causing more losses than savings.
For example Etrade manually reviews any trade over around $500,000 dollar limit manually and...