O opt789 Jun 25, 2007 #11 Quote from atticus: I show the SPX atm short straddle roughly equivalent under PM and Reg T. :eek: More... What is the logic of a brokerage firm charging excessive margin for SPX options, while letting you do the equivalent trade with ES options under SPAN's low margin?
Quote from atticus: I show the SPX atm short straddle roughly equivalent under PM and Reg T. :eek: More... What is the logic of a brokerage firm charging excessive margin for SPX options, while letting you do the equivalent trade with ES options under SPAN's low margin?
W Wayne Gibbous Jun 25, 2007 #12 Just as a FWIW, I still show a 30% lower margin under PM. But I only have a mix of long/short stock and long equity options right now. No short ops.
Just as a FWIW, I still show a 30% lower margin under PM. But I only have a mix of long/short stock and long equity options right now. No short ops.
