StartupHub.ai's proprietary cross-venue engine has surfaced nine live prediction market arbitrage opportunities as of August 12, 2026. These opportunities involve buying 'YES' on one platform and 'NO' on another for the same real-world event, with the combined cost falling below $1. This strategy locks in a guaranteed payout, regardless of the event's outcome.
For newcomers, an arbitrage lock means you've bought both sides of a bet for less than the total payout, guaranteeing a profit. While these spreads offer compelling returns, it is crucial to remember that prices on prediction markets move extremely fast. Fees, KYC requirements, and withdrawal limits on individual platforms can also impact net returns. This information is for educational purposes only and is not 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.
Focused guides: Polymarket arbitrage, Kalshi arbitrage, and the arbitrage bot API.