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The momentum of prediction markets cannot be denied, and the issue of whether sports event contracts constitute illegal sports betting is expected to reach the U.S. Supreme Court. But continued growth is not guaranteed and could be disrupted by changing political winds.
The industry’s explosive growth in 2025 led traditional sports betting giants like FanDuel and DraftKings to enter prediction markets, while Underdog completely changed its business model. Elsewhere, Robinhood is teaming up with trading firm Susquehanna International Group to bolster its prediction-market product. And Crypto.com recently announced a new platform called OG that will allow for margin trading—which allows users to trade using more money than they have available by borrowing.
Plus, Kalshi and Polymarket, which each raised billions of dollars last year, are reportedly in talks with investors to raise more money at valuations of $20 billion.
If history is any indication, the increasingly crowded field will eventually get whittled down, according to data presented by Bank of America during a Monday panel at Next.io’s New York summit on sports betting and prediction markets. In traditional sports betting, there were once roughly 16 operators in the U.S.; today, there are about 8. Of the original operators, 10 were shut down or exited the U.S., and two—DrafKings and FanDuel—hold up to 80% of market share.
‘It Could Go Away in One Fell Swoop’
Even as the number of operators eventually shrinks, the long-term viability of sports event contracts offered by prediction markets may come down to politics, according to Rob Schwartz, a former general counsel at the Commodity Futures Trading Commission who now works for law firm Morgan Lewis.
If a Democratic candidate wins the presidency in 2028, they could reverse course on sports prediction markets without too much trouble, he said during a separate Monday panel.
“Be careful what you’ve wished for,” Schwartz said. “It could go away in one fell swoop.”
The Trump Administration has been very favorable to prediction markets. President Donald Trump’s social media company, Truth Social, plans to launch its own prediction-market platform, and his son, Donald Trump Jr., is an investor in Polymarket and an advisor to Kalshi. Michael Selig, the new chairman of the CFTC, has made clear he supports the industry, and the agency under his watch will get involved in ongoing lawsuits involving prediction-market platforms.
For the moment, with the federal government on their side, platforms have significant runway to grow. This explains why companies like DraftKings and FanDuel got into the game. Traditional sports betting is regulated on a state-by-state basis, and those and other companies have historically had to obtain expensive licenses to lawfully operate in a given state. Meanwhile, shares of DraftKings and FanDuel have been getting hammered, something that can be attributed—at least in part—to competition from the likes of Kalshi and Polymarket.
Josh Kirschner, a partner at law firm Nelson Mullins, said during the legal panel that the behavior of regulated sports betting companies is the “best indicator of what private market operators believe to be occurring and what will occur.” He was referring to the fact that traditional sports betting companies like DraftKings and FanDuel have been diving into prediction markets headfirst, seemingly without concern about potential consequences.
“There is no immediate consequence for joining this fray,” he said. “Ultimately, if they need to pull back, they will pull back.”
The Specter of the Supreme Court
A different political party in power isn’t the only way the advance of prediction markets might stall. The administration doesn’t control the Supreme Court, as evidenced by its recent ruling against Trump’s tariffs, although presidents can have a meaningful impact on the direction of the court.
With more than 20 lawsuits winding through the U.S. court system, legal experts believe the issue of sports event contracts will eventually reach the Supreme Court. Andrew Kim, a partner at law firm Goodwin who moderated the session, asked the other two panelists when this will get to the Supreme Court and where the court will land.
“Anybody who tells you they know where this is going to come out is pretty much full of shit,” Schwartz said. “It’s not knowable. They have no idea.”
Kirschner echoed Schwartz’s sentiments.
“If I knew the answer, I wouldn’t be here,” he said. “I’d be cashing checks from Kalshi for millions and millions of dollars and you’d never hear from me again.”
