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Americans wagered nearly $167 billion on sports in 2025 through regulated sportsbooks, an 11% increase year-over-year, according to data from the American Gaming Association (AGA).

The blurring line between financial investing and gambling has been accelerated by the rise of prediction markets—exchanges offering event contracts that are federally regulated as financial derivatives. U.S. News found that over 40% of active sports bettors now also participate in sports prediction markets.

Financial advisors continue to urge consumers to view sports wagering strictly as entertainment and to only risk funds they can afford to lose.

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More recently, Polymarket has paid top dollar for prominent athletes and celebrities to promote its prediction market. The company’s paid partners include LeBron James, Derek Jeter, Eli Manning, Spike Lee, and Craig Robinson.

The Polymarket water tower can be seen from I-94, but isn’t overly prominent, as the interstate passes beneath three bridges—Concord Avenue, train tracks, and a service road—near the Mount Elliott exit.

But the advertisement is still garnering plenty of attention online and in the news, with the controversy surrounding the Polymarket branding a major topic of discussion in prediction market and gaming circles.

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But the court said that point did not affect the validity of the by-law, adding that it saw no evidence of a tax that would choke businesses. 

The judges highlighted the number of gaming halls in the city remained largely stable after the increase. 

The court also dismissed the equal-treatment argument, noting that gaming machines are taxed by the municipality while casino taxation falls to Hesse.