Quote from brocklanders:
I have no idea. I've only recently become aware that they are doing this and not giving an option (that I know of) to route Stp Lmt orders to the exchange. I just simply never thought about it because my stops have always been filled at fair prices so there was no problem that I could see with this. IB does offer some valuable services by offering simulation when the exchange doesn't support order types natively (Market and Market if Touched as an example) but I am equally perplexed as to why they would simulate orders that are supported by the exchange. Maybe a rep from IB can clarify. The conspiracy theorists will have some answers I am sure. I have not noticed any price disadvantage to this but now seeing this problem the OP is having makes me want to have the order at the exchange if at all possible to prevent any case of it not getting executed (internal problem at IB servers for instance).
Thanks, and agreed the conspiracy theorists will have their reasons - my guess would be it's a function of their risk management system, but I have nothing to base that on.
. I have not noticed any price disadvantage to this but now seeing this problem the OP is having makes me want to have the order at the exchange if at all possible to prevent any case of it not getting executed (internal problem at IB servers for instance).
