●Polyrank

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.

Top trade
Sn…ll turned $1.2K into $10.0K
7.3× ROI
AllSportsCryptoEsportsPoliticsTennisWorldPop CultureStocks
Resolved within
All time7d30d90d1y
#TraderMarketEntryCostProfitROI
1Sn…llFC Cincinnati vs. San Jose Earthquakes: O/U 5.512.1¢$1.2K+$8.8K7.3×
20x…46Dallas Wings vs. Washington Mystics11.9¢$1.3K+$9.8K7.4×
3Sn…llWill Motherwell FC win on 2026-08-02?11.8¢$685.65+$5.1K7.5×
4Up…esExact Score: Aarhus GF 2 - 1 Sabah FK?11.7¢$618.09+$4.7K7.6×
50x…f0Jeju SK FC vs. Bayern Munich: O/U 3.511.6¢$578.82+$4.4K7.6×
6Up…esExact Score: SC Braga 1 - 0 FK Dynama-Minsk?11.6¢$1.1K+$8.5K7.6×
7ju…rkFC Corvinul 1921 Hunedoara vs. Sepsi OSK: O/U 2.51.4¢$2.3K+$17.7K7.9×
80x…46Djurgardens IF vs. Vasteraas SK: O/U 5.511.0¢$1.2K+$10.1K8.1×
9Ho…rdLos Angeles Sparks vs. Minnesota Lynx10.5¢$1.1K+$9.4K8.5×
10no…anWill Atlante FC win on 2026-08-01?10.3¢$1.7K+$14.8K8.7×
11ou…e2Will Atlante FC win on 2026-08-01?10.0¢$1.0K+$9.0K9.0×
12ca…anLos Angeles Sparks vs. Minnesota Lynx9.6¢$1.1K+$10.5K9.4×
13sw…nyToronto Blue Jays vs. Houston Astros8.6¢$897.40+$9.5K10.6×
14sh…34Exact Score: Deportivo Toluca FC 3 - 1 Club Necaxa?8.0¢$541.64+$6.2K11.5×
150x…89Exact Score: AC Sparta Praha 2 - 1 Olympique Lyonnais?8.0¢$7.0K+$80.5K11.5×
16ls…trClub Always Ready vs. Club Bolívar: Club Always Ready 2nd Half O/U 1.56.0¢$962.68+$15.1K15.7×
17ls…trClub Always Ready vs. Club Bolívar: Club Bolívar 2nd Half O/U 1.56.0¢$747.34+$11.7K15.7×
18ls…trClub Always Ready vs. Club Bolívar: Both Teams to Score in Second Half6.0¢$810.67+$12.7K15.7×
19mr…zyArsenal FC vs. Real Betis Seville: Real Betis Seville O/U 2.56.0¢$535.94+$8.4K15.7×
20ja…acArsenal FC vs. Real Betis Seville: Real Betis Seville O/U 2.56.0¢$749.88+$11.7K15.7×
21Sn…llSpread: SBV Excelsior (-2.5)5.1¢$543.39+$10.2K18.7×
22Go…stGamba Ōsaka vs. Urawa Red Diamonds: O/U 5.55.0¢$530.73+$10.1K19.0×

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ROI = realized profit ÷ cost basis on a single resolved position. Past performance does not predict future results. Not financial advice.