Maybe, and I'm sure I'm overthinking this, it is not just an anticipated increase in volume in a general sense but that Cme Europe might be looked on more favorably by the London authorities, as opposed to the ones running the EU.
ndaq and ice down, cme and cboe up. Must be a Chicago thing.
Seriously, I have no idea. Usually it seems we outdo it to the downside on these kinds of days even though they're the best for volume.