Prediction Market Arbitrage: 5 Opportunities Surfac…

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.

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

Who will be the Prime Minister of Israel after the 2026 election?, Benjamin Netanyahu. Arbitrage: 63.9% ROI, locks 39c per $1. Buy YES on Kalshi / Robinhood at 3c, buy NO on PredictIt at 58c.
Who will be the next Supreme Court justice? Will Emil Bove become the next Justice on the Supreme Court?. Arbitrage: 6.4% ROI, locks 6c per $1. Buy YES on Kalshi / Robinhood at 5c, buy NO on PredictIt at 89c.
Who will win the 2028 US presidential election?, Gavin Newsom. Arbitrage: 3.6% ROI, locks 3c per $1. Buy YES on Polymarket at 13c, buy NO on PredictIt at 84c.
Will Kamala Harris and Gavin Newsom be the two frontrunners for the 2028 Democratic Presidential Nomination?. Arbitrage: 3.1% ROI, locks 3c per $1. Buy YES on Kalshi / Robinhood at 18c, buy NO on PredictIt at 79c.
Who will be the next Supreme Court justice? Will Ted Cruz become the next Justice on the Supreme Court?. Combined cost 98c (no lock right now). Buy YES on Kalshi / Robinhood at 4c, buy NO on PredictIt at 94c.

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.

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: 5 Opportunities Surfaced July 24, 2026 (July 24, 2026)

Track these live, or poll the free API