Prediction market arbitrage
See the spread between markets.
Compare Polymarket and Kalshi side-by-side. Find price gaps. Calculate guaranteed profit.
Live opportunities
Live
Will BTC hit $150k by Dec 2025?
Kalshi
42¢
Poly
46¢
+4.2%
Next Fed rate decision — hold?
Kalshi
71¢
Poly
68¢
+3.1%
US recession by end of 2026?
Kalshi
28¢
Poly
25¢
+2.8%
Split view
Same market, two platforms. Kalshi on the left, Polymarket on the right. Compare instantly.
Calculator
Enter your stake. See allocation, contracts, and guaranteed profit — before you trade.
Real-time
Auto-refresh every 30 seconds. Never miss a spread.
Simple pricing
$39/mo
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