<i>Payment for order flow (PFOF) is the compensation, as much as 1 penny per share, that a stockbroker receives from a market maker in exchange for the broker routing its clients' trades to that market maker. It is a controversial practice that has been called a "kickback".</i><p><a href="https://en.m.wikipedia.org/wiki/Payment_for_order_flow" rel="nofollow">https://en.m.wikipedia.org/wiki/Payment_for_order_flow</a>