Prediction market arbitrage scanner
Prediction Market Arbitrage Scanner
Find live prediction-market arbitrage opportunities across Polymarket, Kalshi, Predict.fun, Opinion, Probable, Limitless, and Stake with Oxygen Delta.
Live Arbitrage Opportunities
Signal Quality
Fresh quotes
latest parser refresh Quotes are useful only while the compared markets are fresh.Enough depth
$500+ review gate Displayed liquidity and depth matter more than the headline spread.Fee-adjusted edge
net signal Oxygen Delta treats raw spread as incomplete until venue fees are considered.Manual review
contract wording Users still need to compare market rules, settlement, and timing.How To Use The Scanner
- Start with the highest edge, but reject markets with weak depth or unclear wording.
- Compare YES and NO legs across venues before assuming contracts are equivalent.
- Check execution size, fees, and freshness before opening either platform.
Supported Venues
- Polymarket, Kalshi, Predict.fun, Opinion, Probable, Limitless, and Stake.
- More venues can be added when parsers and matching quality are reliable enough.