StartupHub.ai's proprietary cross-venue engine has surfaced five prediction market arbitrage opportunities as of July 24, 2026. These opportunities arise when the combined price of a 'YES' contract on one platform and a 'NO' contract on another for the identical real-world event totals less than $1, guaranteeing a profit.
It is crucial to understand that spreads can close rapidly as market participants execute these trades. Additionally, potential profits can be impacted by platform fees, Know Your Customer (KYC) requirements, and withdrawal limits. This information is for informational purposes only and should not be considered financial advice.
Track these live, or poll the free API
The board above refreshes on its own, so this page stays current long after today. The full cross-venue feed lives on the arbitrage board, and every match is also a free JSON API and an MCP tool, so a trading agent can poll live Polymarket, Kalshi and PredictIt arbitrage opportunities and act on them.
curl https://www.startuphub.ai/api/v1/arbitrage?arbs_only=1Read the arbitrage API reference or open the live JSON endpoint.
Informational feed, not financial advice. Live arbitrages are often fleeting, and fees, gas, KYC and withdrawal limits eat into the spread. Verify each market’s resolution rules and costs before trading.