You'd think not. After all, most of wallstreet is gone employee-wise. Greatest majority of trades done not by floor people, but by computer. First and last hour of trading is when the high-speed trading is done... I'm really at a loss by the claims of someone who I really wouldn't trust, expect him to try to shrug off what I well know his company is doing. LOL, they move those computers as close as they can to wallstreet, pay premium prices for rent, just so they can have those nanosecond edges over the competitors. Just like claiming the computer trades actually smooth out extreme jumping around in price. You just may be right, about the 9%, but IMO, 3%- iffy.
OTOW has pretty bid spread this morning.