Highest ROI trades on Polymarket
The biggest return-on-cost trades that hit — someone took a long-shot position and it paid. Ranked by ROI (profit ÷ cost), from every resolved position on-chain. Click any trader to explore their full history.
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Find traders with real, repeatable skill
One huge ROI can be luck. Polyrank ranks the 2.9M-wallet field by calibration, edge, and risk — so you can follow the genuinely skilled, not the lucky.
ROI = realized profit ÷ cost basis on a single resolved position. Past performance does not predict future results. Not financial advice.