
I'm going to disagree with Robert Morse here, and offer "They're frikken *genius*!!"
And what evidence do I have?? Well, the wonderful sales pitches that each platform provides to sell their SmartRoute algo as The Bee's Knees.


In relying upon the statements which the platforms (DMAs or not) make, one thing that is plain is that there are a number of ways to make a "Smart!" claim. I would off that I really don't care: as long as I don't have to get caught up in having to specify a specific exchange for each end of a combo for every 100+ trading day I have?? I'm good with that. In the times when I've taken a serious look at the various exchanges, I've seen markets that just seem to suck, and heavily. But by the time that gets assembled into a NBBO, "Whoa! Look at that!" If you want to claim a SmartRoute Special Sauce on that? "I'm good."
Lastly, as far as IB goes, I would note (for SPX combos)
1) that I always seek MID prices.
2) I rarely don't get hit at MID.
3) I sometimes (5%??) get hit a nickel or a dime before MID --
and on a 50¢ spread? That's kinda good.


(OMG. I just disagreed with Robert Morse.

)
((I crack me up.

Bob -- thank you so much for all your contributions to ET...!

))