Developer shares execution design lessons from 11,700+ Polymarket bot trades

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A software developer has detailed the execution architecture of a Polymarket prediction-market trading bot that has completed over 11,700 trades, publishing the findings on DEV Community. Unlike centralized exchanges where microsecond latency is decisive, the bot's on-chain environment on Polygon means client-side speed improvements are often overshadowed by blockchain confirmation times of one to three seconds. The developer broke down trade latency into four stages: signal generation (50–200ms), order signing (10–50ms), CLOB API submission (100–400ms), and on-chain confirmation (1–3 seconds). Key optimizations included running the bot on a US East VPS for lower API round trips, reusing persistent HTTP connections, and pre-building order templates to reduce per-trade overhead. The core insight shared is that on-chain trading requires structuring execution around unavoidable latency rather than chasing microsecond gains as one would on traditional exchanges.

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