●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
fl…ll turned $3.7K into $79.5K
20.6× ROI
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#TraderMarketEntryCostProfitROI
1fl…llWill the US next strike Iran on February 28, 2026 (ET)?4.6¢$3.7K+$75.8K20.6×
2d…pWill Abelardo de la Espriella win the 1st round of the 2026 Colombian presidential election?4.8¢$507.50+$10.0K19.8×
377…99US military action against Iran by Saturday?5.0¢$974.34+$18.5K19.0×
4z…nWill the US next strike Iran on February 28, 2026 (ET)?5.8¢$600.00+$9.7K16.2×
5KU…AOUS strikes Iran by February 28, 2026?6.0¢$6.0K+$94.0K15.7×
6Ge…orWill the US next strike Iran on February 28, 2026 (ET)?6.1¢$1.2K+$18.6K15.5×
7Ca…99Will the US next strike Iran on February 28, 2026 (ET)?5.0¢$6.2K+$95.0K15.4×
8Me…edUS military action against Iran by Saturday?6.2¢$2.3K+$34.7K15.2×
90x…59US military action against Iran by Saturday?6.4¢$1.9K+$28.1K14.6×
10Ch…tiUS military action against Iran by Saturday?7.2¢$2.5K+$32.2K12.9×
110x…32US strikes Iran by February 28, 2026?6.1¢$562.81+$6.9K12.3×
12Tr…11US military action against Iran by Saturday?7.7¢$1.1K+$13.8K12.1×
13Me…owIran strike on US military by February 28?7.7¢$500.00+$6.0K12.0×
14sb…hhUS military action against Iran by Saturday?7.8¢$1.8K+$21.7K11.9×
150x…28US strikes Iran by February 28, 2026?8.0¢$888.88+$10.2K11.5×
16so…a1Israel strikes Iran by February 28, 2026?8.0¢$1.6K+$18.4K11.5×
170x1e…d2Will the US next strike Iran on February 28, 2026 (ET)?8.1¢$709.66+$8.1K11.4×
18lu…rzUS strikes Iran by February 28, 2026?8.2¢$2.5K+$28.0K11.2×
19Qu…erUS military action against Iran by Saturday?8.5¢$13.3K+$142.6K10.7×
20Ra…llUS strikes Iran by March 1, 2026?8.7¢$1.4K+$15.2K10.5×
21I…jUS military action against Iran by Saturday?8.8¢$2.8K+$28.5K10.4×
22Ma…anWill Israel strike Iran on Friday Oct 25?8.8¢$760.44+$7.8K10.3×
23dl…c2US strikes Iran by February 28, 2026?9.0¢$720.00+$7.3K10.1×
24Vi…07US strikes Iran by March 1, 2026?9.0¢$900.00+$9.1K10.1×
250x…45US strikes Iran by February 28, 2026?9.0¢$900.00+$9.1K10.1×
260x…07US strikes Iran by March 1, 2026?9.2¢$1.7K+$16.3K9.9×
27ka…ssWill US or Israel strike Iran by February 28, 2026?9.5¢$5.5K+$52.0K9.5×
28An…udUS military action against Iran by Saturday?9.7¢$696.91+$6.5K9.3×
29W…!Israel military action against Iran by Friday?9.7¢$1.4K+$13.3K9.3×
30N…oUS military action against Iran by Saturday?9.8¢$590.00+$5.4K9.2×
310x…00US strikes Iran by February 28, 2026?10.0¢$1000.00+$9.0K9.0×
32so…a1Will US or Israel strike Iran by February 28, 2026?10.0¢$2.0K+$18.0K9.0×
33Ne…bsUS strikes Iran by February 28, 2026?10.0¢$9.9K+$89.0K9.0×
340xa8…6cUS strikes Iran by March 1, 2026?10.0¢$2.8K+$25.3K9.0×
35Sk…njUS military action against Iran by Saturday?10.1¢$9.0K+$80.2K8.9×
36ji…lyUS military action against Iran by Saturday?10.5¢$705.40+$6.0K8.6×
370x…88US strikes Iran by February 28, 2026?10.8¢$60.8K+$499.9K8.2×
380x…56US strikes Iran by February 28, 2026?10.9¢$562.95+$4.6K8.2×
3958…2wUS strike on Syria by December 31?11.0¢$585.25+$4.7K8.1×
400x…98US strikes Iran by February 28, 2026?11.0¢$989.52+$8.0K8.1×
41Za…deUS strikes Iran by March 2, 2026?11.0¢$550.00+$4.5K8.1×
42la…77Will the US next strike Iran on February 28, 2026 (ET)?11.2¢$918.32+$7.3K7.9×
43Me…edUS military action against Iran by Sunday?11.3¢$850.00+$6.7K7.9×
440x00…d2US strikes Iran by February 28, 2026?11.7¢$2.3K+$17.7K7.5×
45Do…eyWill Iran close the Strait of Hormuz by March 31?12.0¢$1.0K+$7.4K7.3×
46Bl…idIsrael strikes Iran by February 28, 2026?12.0¢$2.2K+$15.9K7.3×
47Ch…coUS strikes Iran by February 28, 2026?12.0¢$850.00+$6.2K7.3×
48Ki…itUS strikes Iran by February 28, 2026?12.0¢$3.5K+$25.7K7.3×
4965…61Israel strikes Iran by February 28, 2026?12.0¢$960.00+$7.0K7.3×
50Lo…noWill Abelardo de la Espriella win the 1st round of the 2026 Colombian presidential election?12.1¢$1.4K+$10.4K7.3×
51R…aWill Israel strike Iran on Friday Oct 25?12.1¢$658.00+$4.8K7.3×
520x…81US strikes Iran by February 28, 2026?12.2¢$16.1K+$115.9K7.2×
53Ge…orUS x Iran meeting by February 6, 2026?12.3¢$824.48+$5.9K7.2×
54Lo…55US military action against Iran by Saturday?12.4¢$5.8K+$40.8K7.0×
55z…nUS strikes Iran by February 28, 2026?12.6¢$3.2K+$22.2K6.9×
56br…llIsrael strikes Iran by February 28, 2026?12.6¢$907.00+$6.3K6.9×
57Do…13Will Karol Nawrocki be the next President of Poland?12.8¢$1.3K+$8.7K6.8×
58Tr…11US military action against Iran before July?13.1¢$1.3K+$8.6K6.6×
590xb9…c6US strikes Iran by March 1, 2026?13.1¢$4.6K+$30.5K6.6×
60na…hyUS military action against Iran by Sunday?13.1¢$1.9K+$12.5K6.6×
61Pl…tsUS strikes Iran by February 28, 2026?13.2¢$26.5K+$174.2K6.6×
6202…63Israel strikes Iran by February 28, 2026?13.3¢$939.00+$6.1K6.5×
63i…zWill Iván Cepeda Castro win the 1st round of the 2026 Colombian presidential election?13.3¢$6.9K+$44.8K6.5×
64br…llUS strikes Iran by March 1, 2026?13.4¢$1000.00+$6.5K6.5×
65ka…38Israel military action against Iran by Friday?13.5¢$2.0K+$12.8K6.4×
66sh…nyUS strike on Syria by December 31?13.6¢$892.98+$5.7K6.3×
67Vi…07US strikes Iran by February 28, 2026?12.7¢$69.1K+$437.9K6.3×

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