And here is why Options House fills are not as fast or well priced as IB. This is the response I received today regarding fills on Spreads at OH -->
Hello,
We route spread orders to one options exchange based on the exchange quoting the best bid/ask for your spread order at the time you submit it. You cannot select the exchange on spread order tickets. Other firms may leg into the spread by routing each leg to different exchanges even though you submit both legs on a single order ticket. Option exchanges do not have a National Best Bid Offer (NBBO) like stock exchanges so it is possible that two of the same order routed at the same time to different exchanges could be filled at different prices.
If you have additional questions please contact our Trade Desk, 1-877-653-2500 Option 2.
Regards,
Tom
Customer Service
OptionsHouse
141 W. Jackson Blvd.
Suite #800
Chicago, Illinois 60604
Toll Free (877) 653-2500
Fax (866) 492-2478