Recent content by eratosthenes

Example scenario: You are long 1x QQQ May 12 $64 put and 1x short QQQ May 12 $65 put (a put bull spread). Your margin requirement is $100. It is now expiration Friday in May 12 and QQQ is finishing around, say, $68. This means both puts will expire worthless and you will get the maximum...

Which brokers show you options market depth? I know that the following brokers do so: optionsXpress TradeStation thinkorswim What about some of the ones that have cheaper per-contract commissions? In particular I'm wondering about: OptionsHouse eOption TradeKing If you have...