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predict_arb_public

github.com/apri1one/predict_arb_public

Worth Cloningrisk: LowTypeScript0 starsfound Jul 5, 2026

Cross-platform arbitrage and market-making bot for Predict.fun x Polymarket operating on real capital

Strategy

Cross-platform arbitrage between Predict.fun and Polymarket with market-making on identified price discrepancies


This is a production-grade cross-platform arbitrage bot operating between Predict.fun and Polymarket, two prediction markets that often have price discrepancies for the same events. The 714KB TypeScript codebase suggests a well-structured application with proper module separation. The system combines arbitrage detection with market-making, meaning it not only identifies price gaps but also provides liquidity to capture spreads. The public version likely contains the core logic while potentially obfuscating some proprietary parameters or execution optimizations. The cross-platform approach is particularly clever because it exploits the latency in price updates between different prediction market platforms, a persistent source of profitable arbitrage opportunities. The TypeScript implementation suggests the use of Node.js for asynchronous event handling and WebSocket connections to both platforms. The code would be valuable for studying multi-platform arbitrage patterns, order book synchronization, and risk management across different exchange architectures. Developers interested in prediction market arbitrage should clone this for the cross-platform integration patterns alone. The project appears to be a genuine trading operation rather than a scam, with the developer transparently stating it runs on real capital. Users should be aware that the public version may not include all optimizations used in production.