if you are with optionsXpress you're commissions are to high. ask them to match MB, IB orTS. $1.00 pre contract period..
any company trying to scam you like that maybe going down in flames!
on 8/24 Tom Preston had a online seminar on the subject. if you trade options you might like to see it. <www.thinkorswim.com>
you don't have to log-in. on the left column under quick links pick Online seminar transcripts. enjoy