Polymarket Cuts Taker Delay to 50ms, Reshaping Bot Trading Strategies

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Polymarket reduced its taker delay on crypto markets from 250ms to 50ms on August 17, 2026, continuing a series of rule changes that previously brought the delay down from 500ms. The tighter window leaves market makers almost no time to cancel stale quotes, raising both the opportunity and risk for automated trading bots. Dynamic taker fees introduced in January 2026 remain in effect, with charges reaching up to 1.56% near 50% probability, effectively killing pure latency arbitrage strategies. Experts now recommend building maker bots that post tight two-sided quotes, use WebSocket-only connections, and complete cancel-and-replace cycles in under 40ms. Under the new rules, winning bots are expected to earn returns through maker rebates and tight spreads rather than by taking positions.

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