Category

Polymarket Arbitrage Tools

Solvers and monitors that find price gaps between Polymarket, Kalshi, Manifold, and sportsbooks.

3 tools
  1. SpreadCoreNew

    Match live Polymarket odds against bookmaker prices, then calculate the exact stakes needed to lock profit on both sides.

    238/wk View
  2. SharkBetX: Sharkbetting

    Bettors spot pricing gaps fast, comparing over twenty bookmakers against exchange liquidity every thirty seconds without page reloads.

    10/wk View
  3. PredictefyNew

    Predictefy pulls live prices and order books from Polymarket, Kalshi, and other venues into one dashboard.

    25/wk View

Polymarket Arbitrage Tools

Polymarket prices frequently diverge from other prediction markets and sportsbooks. When Kalshi shows 62% on an event and Polymarket shows 57%, one of them is wrong — and the gap is profit waiting to be captured. Arbitrage tools scan multiple venues simultaneously, flag these discrepancies, and show you the exact trades needed to lock in a risk-free return before the prices converge.

The edge in cross-market arbitrage is in speed and breadth. Manual scanning across five platforms with different interfaces is slow and error-prone. Automated scanners check hundreds of markets per second across Polymarket, Kalshi, Manifold, and major sportsbooks, alerting you only when a genuine arbitrage window opens and the spread is large enough to cover transaction costs.

Beyond pure arbitrage, some tools in this category help traders identify when Polymarket is systematically mispricing a category of events relative to external base rates or consensus forecasts. These market inefficiencies can be persistent and worth trading even without a direct hedge on another platform.