●Polyrank

Highest ROI trades on Polymarket

The biggest return-on-cost bets that hit — someone put real money on a long-shot and it paid. Ranked by ROI (profit ÷ cost), from every resolved position on-chain. Click any trader to explore their full history.

Top trade
Wi…k3 turned $2.2K into $43.7K
18.7× ROI
AllSportsCryptoEsportsPoliticsTennisWorldPop CultureStocks
#TraderMarketEntryCostProfitROI
1Wi…k3Caroline Ellison sentenced to 24-35 months in prison?5.1¢$2.2K+$41.5K18.7×
2v…eWill Bulgaria win Eurovision 2026?5.3¢$543.88+$9.8K18.0×
3Th…77Will Bulgaria win Eurovision 2026?5.3¢$767.44+$13.6K17.7×
4Co…thWill Finland be in the top 5 at Eurovision 2026?5.6¢$812.02+$13.7K16.9×
5t…mWill Finland be in the top 5 at Eurovision 2026?6.3¢$629.99+$9.4K14.9×
6Ry…mpWill Kamala Harris go on SNL?6.5¢$724.14+$10.4K14.4×
7He…92Will Bulgaria win Eurovision 2026?5.9¢$748.67+$10.4K13.8×
8Bi…erWill Beyoncé perform at the DNC?7.4¢$2.0K+$25.2K12.4×
9ol…n2Will Bulgaria win Eurovision 2026?7.5¢$857.90+$10.5K12.3×
10du…axWill The Weeknd be the third most streamed Spotify artist for 2025?7.7¢$615.00+$7.4K12.0×
11sk…chWill Bulgaria win Eurovision 2026?8.3¢$24.2K+$264.7K10.9×
120x…47Will Bulgaria win Eurovision 2026?8.4¢$2.7K+$30.1K10.9×
13Ca…byWill Bulgaria win Eurovision 2026?8.4¢$515.73+$5.6K10.9×
14Go…erWill MrBeast's next video get between 30 and 35 million views on day 1?7.0¢$905.89+$9.8K10.8×
15cr…orWill Finland be in the top 5 at Eurovision 2026?9.3¢$1.0K+$9.8K9.7×
16Da…naWill Dave Portnoy launch a coin before March?11.0¢$1.3K+$10.7K8.1×
17DK…inWill Bulgaria win Eurovision 2026?11.8¢$682.59+$5.1K7.5×
18Ma…erWill Bulgaria win Eurovision 2026?4.7¢$1.2K+$9.0K7.3×
19yo…TMWill Taylor Swift's appearance on New Heights get between 10 and 20 million views the first week?12.4¢$731.85+$5.2K7.1×
20K…iWill Belgium qualify for the Eurovision 2025 grand final?12.5¢$1.2K+$8.6K7.0×
21dr…thWill A Minecraft Movie be the top grossing movie of 2025?12.8¢$962.49+$6.5K6.8×
22HM…23Will Finland be in the top 5 at Eurovision 2026?13.1¢$787.23+$5.2K6.6×
23ts…esWill Finland be in the top 5 at Eurovision 2026?13.2¢$3.2K+$21.2K6.6×
24Dy…htWill Elon Musk post 40-64 tweets from June 11 to June 13, 2026?13.2¢$1.3K+$8.5K6.6×
25mi…itWill "Choosin' Texas - Ella Langley" be the #1 song on US Spotify this week?13.4¢$5.3K+$33.7K6.4×

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