Prediction Market Arbitrage: 9 Opportunities Live N…

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.

Live arbitrage right now These update automatically. Tap a leg to open the venue. Not financial advice.

Where will Putin and Zelenskyy next meet? Will Putin and Zelenskyy meet next in Ukraine?. Arbitrage: 471.4% ROI, locks 83c per $1. Buy YES on Kalshi / Robinhood at 9c, buy NO on Polymarket at 9c.
Will Trump recognize Somaliland? :: During Trump's term. Arbitrage: 57.9% ROI, locks 37c per $1. Buy YES on Polymarket at 8c, buy NO on Kalshi / Robinhood at 55c.
Who will leave Trump's Cabinet next? Will Robert F. Kennedy Jr. be the next person to leave the Trump Cabinet?. Arbitrage: 13.0% ROI, locks 12c per $1. Buy YES on Kalshi / Robinhood at 20c, buy NO on Polymarket at 69c.
Where will Putin and Zelenskyy next meet? Will Putin and Zelenskyy meet next in Switzerland?. Arbitrage: 8.6% ROI, locks 8c per $1. Buy YES on Polymarket at 3c, buy NO on Kalshi / Robinhood at 89c.
French presidential election: who will advance? Will François Hollande qualify for the runoff in the 2027 French presidential election?. Arbitrage: 7.4% ROI, locks 7c per $1. Buy YES on Polymarket at 0c, buy NO on Kalshi / Robinhood at 93c.
Who will leave Trump's Cabinet next? Will Chris Wright be the next person to leave the Trump Cabinet?. Arbitrage: 6.4% ROI, locks 6c per $1. Buy YES on PredictIt at 9c, buy NO on Kalshi / Robinhood at 85c.
Who will win the next French presidential election?, Gérald Darmanin. Arbitrage: 5.0% ROI, locks 5c per $1. Buy YES on Polymarket at 0c, buy NO on PredictIt at 95c.
Who will win the 2028 US presidential election?, Gavin Newsom. Arbitrage: 3.5% ROI, locks 3c per $1. Buy YES on Polymarket at 10c, buy NO on PredictIt at 87c.
Will Rubio and Vance both announce a run for President before 2028?. Arbitrage: 3.1% ROI, locks 3c per $1. Buy YES on Kalshi / Robinhood at 42c, buy NO on PredictIt at 55c.

See the full live arbitrage board or poll the free JSON API.

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=1

Read the arbitrage API reference or open the live JSON endpoint.

Focused guides: Polymarket arbitrage, Kalshi arbitrage, and the arbitrage bot API.

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.

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Prediction Market Arbitrage: 9 Opportunities Live Now, Up to 471% ROI

Track these live, or poll the free API