On Polymarket's first-in-first-out order books, orders at a price level fill in the order they were placed. This strategy models where your order sits in that queue and times when to place or replace orders so you keep a good spot near the front, only joining a level when you're likely to get filled before the price moves against you. The edge is collecting more maker fills for the same risk by being early in line instead of chasing.
Markets on Polymarket where queue-position optimization at the touch is the natural play:
