Big bots focus on popular, high-volume markets, so smaller obscure markets often have prices that stay wrong for a while because no one's correcting them. This strategy systematically crawls every live market, not just the featured ones, and grabs those lingering mispricings. Fills are small, so the play is to run a long tail of many tiny positions at once. You filter for enough depth to actually exit before entering.
Markets on Polymarket where thin-liquidity edge mining is the natural play: