Compare Odds
Cross-platform price comparison. Find the best odds across Polymarket and Kalshi. Buy where it's cheapest.
Cross-Platform Spreads
0 matched marketsNo overlapping markets found right now
Cross-platform matches appear when Polymarket and Kalshi have open markets on the same event. We check hourly — political and crypto event markets tend to overlap most during election seasons and macro events.
P
Polymarket
Active markets synced
Prediction markets on politics, crypto, sports, and world events. 30% affiliate commission.
polymarket.com →K
Kalshi
CFTC-regulated
US-regulated event contracts on elections, economics, sports. 20% affiliate commission.
kalshi.com →How to read this
Underlined = best price for that outcome
ARB = arbitrage opportunity (buy both sides for <$1)
5pp+ = significant spread worth exploiting
~same = prices are aligned (<2pp difference)