Eventarb
Listed in 3 directories
A free tool for calculating and alerting cross-platform arbitrage opportunities in prediction markets like Polymarket, Kalshi, and Robinhood.
ArbitrageFree
ArbBets
FreemiumAI-driven platform identifying arbitrage and positive expected value (EV) opportunities across Polymarket, Kalshi, and sportsbooks.
What ArbBets does
ArbBets scans prediction markets across Polymarket, Kalshi, and Opinion to find price discrepancies on the same event, listing over 990 markets and surfacing more than 100 arbitrage opportunities daily. Each match shown on the site pairs a Kalshi and Polymarket listing for the same question, such as election outcomes, sports championships, or political appointments, alongside the percentage spread between them. Because arbitrage trades against the price gap itself rather than the eventual outcome, the underlying result of the market does not affect the trade the way it would for a directional bettor. The tool presents these matched market pairs with fee-adjusted ROI figures, so the spread shown accounts for trading costs rather than just raw price differences. Listings update on a delay and cover a wide range of
At a glance
- Categories
- Arbitrage
- Venues
- Kalshi, Polymarket
- Reached through
- API
- Pricing (directory label)
- Freemium
- Listed in
- 4 directories
- Site
- getarbitragebets.com
Features
As published by the directories that list it — not verified by us.
Arbitrage Opportunity FinderPositive EV Bet LocatorProgrammatic ArbBets APIAI Prediction AgentsSports Betting Calculators
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