Why a Correct Trading Signal Still Isn't Enough to Win on Polymarket

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A technical analysis published on DEV Community explains that detecting a valid trading signal is only the first step in building an effective Polymarket trading bot. The real challenge lies in execution: between signal generation and order fill, market conditions such as price, liquidity, and spread can shift dramatically. A production-grade bot must validate market state, monitor order book depth, manage partial fills, and reconcile positions — not just place an order. The piece distinguishes between signal quality and execution quality, arguing these must be evaluated independently. It also highlights the trade-off between passive limit orders, which offer price control, and aggressive orders, which prioritize speed but can increase slippage.

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