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TWAP Distance Alone Is Not Enough to Build a Reliable Polymarket Strategy

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A developer and quantitative researcher has outlined a framework for using Time-Weighted Average Price (TWAP) distance as a signal in automated Polymarket prediction-market trading. The core argument is that raw price deviation from a TWAP is insufficient on its own, as it cannot distinguish between mispricing, new information, liquidity gaps, or a lagging reference value. A more reliable approach involves normalizing the deviation against recent volatility, then layering in signal velocity, order-book depth, and execution conditions before acting. The framework also warns against treating large deviations as automatic mean-reversion opportunities, since the same observation can equally indicate that new information has arrived and the TWAP simply hasn't caught up. Validating outcomes — tracking whether the deviation contracted or expanded after a signal — is presented as essential to refining any distance-based trading strategy.

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