Highest ROI Baseball trades on Polymarket

The biggest return-multiple trades that hit — someone took a long-shot position and it paid. Ranked by ROI (realized profit ÷ gross traded notional), from every resolved position on-chain. Click any trader to explore their full history.

Top trade

0x…65 made $15.6K on $635.80 of gross traded notional

24.6× ROI

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Resolved within

All time 7d 30d 90d 1y

#	Trader	Market	Entry	Notional	Profit	ROI	Resolved
1	0x…65	Minnesota Twins vs. San Diego PadresSports · Baseball	3.9¢	$635.80	+$15.6K	24.6×	Aug 23, 2026
2	0x…65	St. Louis Cardinals vs. Los Angeles DodgersSports · Baseball	6.0¢	$642.33	+$10.1K	15.7×	Sep 3, 2026
3	0x…65	St. Louis Cardinals vs. Philadelphia PhilliesSports · Baseball	7.1¢	$3.1K	+$41.0K	13.1×	Aug 23, 2026
4	Hu…ry	Will the Milwaukee Brewers win the 2026 World Series?Sports · Baseball	8.2¢	$596.51	+$6.7K	11.2×	Oct 29, 2026
5	0x9b…75	Philadelphia Phillies vs. Atlanta Braves: O/U 10.5Sports · Baseball	7.1¢	$628.11	+$7.0K	11.1×	Sep 12, 2026
6	su…28	St. Louis Cardinals vs. Los Angeles DodgersSports · Baseball	7.3¢	$2.0K	+$21.6K	11.1×	Sep 3, 2026
7	Fl…rp	Minnesota Twins vs. Detroit Tigers: O/U 6.5Sports · Baseball	9.0¢	$842.94	+$8.5K	10.1×	Sep 9, 2026
8	0x…65	Milwaukee Brewers vs. Los Angeles DodgersSports · Baseball	10.5¢	$7.0K	+$59.3K	8.5×	Oct 16, 2026
9	0x…03	Milwaukee Brewers vs. Los Angeles DodgersSports · Baseball	11.0¢	$600.00	+$4.9K	8.1×	Oct 16, 2026

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ROI = realized profit ÷ gross traded notional on a single resolved position — the denominator is the Notional column (buy cost basis plus sell proceeds), not the cost basis. Profit is gross of fees. Past performance does not predict future results. Not financial advice.