You Can Make Free Money on Polymarket. If You Know Math

12 hours ago

Arbitrage betting allows guaranteed profits by exploiting price disparities between prediction markets.
Example: Buying Yes on Polymarket (24 cents) and No on Kalshi (71 cents) on Gavin Newsom's odds guarantees a $1 win for 95 cents spent.
Arbitrage bettors use software to track price discrepancies across platforms like Polymarket, Kalshi, and sportsbooks.
Success stories include Ryan Noel, who made over $1 million, and Aidan Gawlowski, who coded his own software.
Sports betting offers frequent arbitrage opportunities due to real-time odds updates and many betting sites.
Automated bots from financial institutions are dominating arbitrage, reducing opportunities for individual bettors.
Prediction markets rely on transaction fees, encouraging bots for higher volume and faster trading.
Opportunities are shrinking: shorter durations (seconds instead of minutes) and lower profit margins (4-5% vs 8%).
Rising fees on prediction sites squeeze arbitrage margins, making it less accessible for ordinary investors.
The market is concentrated: top accounts on Polymarket capture most profits, resembling traditional financial markets.

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