Do some future brokers take the other side of a market execution for a poor fill? Example, lets say I place a market order to buy NQ, and I get filled at 18000.25? But the ask has been at 18000 even and never has moved off of that. Essentially they are taking a quarter for themselves.
(I know for limits, the order resides at the CME and out of the broker's hand in that situation)
(I know for limits, the order resides at the CME and out of the broker's hand in that situation)