author wrote an interesting post today on
Here’s a quick excerpt
In the process of researching return on cash, I discovered that TradeStation a) only pays 1.25% APY on idle cash and b) allows you to buy Money Market Funds, but they aren’t marginable, and c) thus if you are an option seller you can’t take advantage of buying treasuries like you can at Schwab, E*Trade, and Fido.  I guess my “love” for TradeStation is fading …

Read the rest of this great post here