Cross-platform scanner

Arbitrage &
Divergence Scanner

When Polymarket and Kalshi price the same event differently, there's signal. We surface the gaps — true arbitrage opportunities and meaningful crowd disagreements — updated every 60 seconds.

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Arb opportunities
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Divergence signals
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Largest spread
⚠ Not financial advice. Resolution criteria differ across platforms — always verify before trading. Fees reduce or eliminate apparent arbitrage.
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No signals detected

No significant price discrepancies found between Polymarket and Kalshi right now. Markets are pricing similar events within 5 percentage points of each other.

How it works
01
We fetch live prices
Every 60 seconds we pull YES/NO prices from Polymarket's CLOB API and Kalshi's market API across dozens of active markets.
02
We match related events
Our matcher identifies markets covering the same underlying topic across platforms — even when the question wording differs.
03
We surface the gaps
True arb: combined cost of YES + NO across platforms is below $1 — guaranteed profit on resolution. Divergence: significant crowd disagreement worth investigating.
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