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15-Minute Up/Down Gamma Arbitrage

Arbitragescore 6found Jul 1, 2026github.com/kenfri13/polymarket-arbitrage-trading-bot

Automates arbitrage on Polymarket's 15-minute Up/Down binary options using Gamma API with configurable hedge thresholds.


This bot targets the short-term 'BTC Up/Down' or 'ETH Up/Down' markets that resolve every 15 minutes. It uses the Gamma API to compare Yes and No prices across related expiry pairs (e.g., 'BTC Up in 15m' vs 'BTC Down in 15m') to detect internal mispricings. When implied probability diverges between complementary assets, the bot places opposing orders to lock in a risk-free profit. Entry is automated on identifying a hedge opportunity; exit is on settlement or rebalancing. The repo kenfri13/polymarket-arbitrage-trading-bot implements this with configurable thresholds. Requires low-latency execution and correct handling of multi-outcome resolution.