Scanners that compare prices for the same event across prediction markets and sportsbooks. 27 listed.
27 listings, fullest profiles first
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Arbitrage and odds
Educational Node.js bot built on pmxt that buys YES on one platform and NO on the other when Polymarket and Kalshi prices sum below $1. Market orders; dry run default.
Arbitrage and odds
Free calculator for event-contract arbitrage: enter odds from Kalshi, Polymarket, Robinhood or Interactive Brokers and it returns fee-adjusted spreads and stake splits.
Arbitrage and odds
Scanner that flags YES/NO price gaps across Polymarket, Kalshi and Opinion (990+ matched pairs), with alerts and a REST API on higher tiers. Does not place trades.
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