The Great Reveal

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Another bettor noted that gambling debts fractured personal relationships: “Sports betting ruined my six years of friendship because I couldn’t pay back the borrowed loan from my friend. He stopped talking to me.”

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.

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“We continue to view regulation as the largest risk to prediction markets,” says the analyst. “While industry growth remains robust, adverse legal outcomes could materially impact sports contract availability and long-term adoption.”

Amid a string of losses in federal appellate courts, it appears increasingly prediction markets are angling to take their cases to the U.S. Supreme Court, banking that the high court will allow them to continue offering sports event contracts free of state gambling regulations.

Some legal experts and members of the investment community believe it’s possible the Supreme Court could hear a prediction market case at some point over the next six or seven months.

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Polymarket and other prediction markets that ventured into sports trading last year maintain that they’re financial platforms governed by federal law.

The Commodity Futures Trading Commission (CFTC) agrees, continuing to defend its claimed “exclusive jurisdiction” over sports prediction markets in federal and state courts across the nation.

The legal wrangling extends to Michigan, where Attorney General Dana Nessel has rejected Polymarket and the CFTC’s arguments that the Michigan Gaming Control Board has no regulatory authority over prediction markets, even the ones allowing traders to buy and sell shares of sports outcomes.