Nearly every symbol traded on exchanges trades with “price/time” priority meaning that the order that rests the longest at a price fills first. This provides a

Nearly every symbol traded on exchanges trades with “price/time” priority meaning that the order that rests the longest at a price fills first. This provides a very big incentive to keep orders on exchanges for a long time. The only time there is a speed race in these symbols to _place_ an order is when they are filling in a missing level. That is providing quotes at better prices. Why would you want to make that more expensive?