You can login using their mobile site: m.optionshouse.com ^^^no www needed I'm not all sure what their problem is but my margin balances have been screwed up since Tuesday and I keep getting margin calls despite all positions paid for in full.
Well website was down for about 55 minutes. First time I've had any problems like that with OH. Wouldn't be so bad if they also weren't hitting me with imaginary margin issues.... OH keeps fixing it and next day same problem.