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It’s gambling dressed up as trading, and it’s taken over the US Open

Fans are using Kalshi and Polymarket to wager on matches, with $21 million already traded on the tournament winner, officials and platforms said.

Tennis is rushing to partner with prediction markets, with gamblers making millions of dollars of “trades” on individual matches, and fans sometimes glued to their phones in their seats.”

4 Articles

Sydney Morning HeraldSydney Morning Herald
+3 Reposted by 3 other sources
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It’s gambling dressed up as trading, and it’s taken over the US Open

Tennis is rushing to partner with prediction markets, with gamblers making millions of dollars of “trades” on individual matches, and fans sometimes glued to their phones in their seats.”

·North Sydney, Australia
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Sydney Morning Herald broke the news in North Sydney, Australia on Monday, September 7, 2026.
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