polymarket-kalshi-arbitrage

Overview

Scans for arbitrage between Polymarket and Kalshi prediction markets. Pulls active markets from both venues, fuzzy-matches by title (Jaccard token overlap), and reports pairs whose implied YES probabilities diverge beyond a configurable threshold. Output is data-only: spread metrics, no trade execution. Useful for cross-market sentiment timing and signal triangulation. Use it as a cross-venue spread scanner, event price arbitrage detector, or Polymarket vs Kalshi comparison.

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