Tradestation credit interest rate on balances over $10,000 is 1.125%!
That's highway robbery!! To compare, IB pays 4.55% (LIBOR-0.50%) over $10,000.
On a balance of $100,000, thats $3,082 LESS interest that you get paid by Tradestation than IB. So for daytraders, who end the day flat...