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Betting site Polymarket is about to cash in on a US expansion with a blockbuster new funding round

Polymarket CEO Shayne Coplan said the company has been cleared for a US launch.
Polymarket CEO Shayne Coplan said the company has been cleared for a US launch. Eugene Gologursky/Getty Images for The New York Times
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Polymarket, a popular betting platform for real-world events, is raising new funding that would sharply increase the startup's valuation, according to two people with knowledge of the matter not authorized to speak publicly.

Investor demand has intensified as Polymarket appears to be readying for a US launch. The valuation has been fluctuating, though it will likely at least triple the $1 billion it reached in a round that closed only this summer, the people said.

At least one investor offered a term sheet valuing the company at as much as $10 billion, one of the people said.

A spokesperson for Polymarket declined to comment.

Polymarket was founded in 2020 by Shayne Coplan and gained prominence during the 2024 US presidential election, when it accurately predicted a win for Donald Trump while most traditional polls showed him losing. It also allows traders to bet on sports outcomes and pop culture events, like the engagement of Travis Kelce and Taylor Swift.

The prediction market has even spawned other apps tracking volatility on the site.

But for all its popularity, Polymarket has not been allowed to operate in the US.

Earlier this month, Coplan posted on X that regulators had given the company "the green light to go live in the USA."

The announcement came after Donald Trump Jr. joined Polymarket's advisory board in August, and the firm where he is a partner, 1789 Capital, made a strategic investment in the company.

"Polymarket is the largest prediction market in the world, and the U.S. needs access to this important platform," Trump Jr said in a statement announcing the investment.

Peter Thiel's Founder's Fund led the company's last round of financing at a $1 billion valuation, bringing total funding to $255 million, according to Pitchbook.

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Ben Bergman
I'm a senior correspondent at Business Insider, where I cover the tech industry with a focus on venture capital and startups.I can frequently be seen on CNN and other channels providing analysis on a range of business and economic topics. I also appear often at dozens of the biggest events around the world, including the World Economic Forum, HumanX, and Web Summit.Please get in touch if you have a story to tell. For tips (not pitches), you can message me securely on Signal @BenBergman.11Previously, I was a senior reporter at LAist/Southern California Public Radio, where I covered business and economics. I have also written for The New York Times and Columbia Journalism Review and was a reporting intern at The Times. I started my career as a producer for NPR's Morning Edition and also produced award-winning documentaries for public television.I spent the 2017-2018 academic year at Columbia Business School as a Knight-Bagehot fellow. After that, I oversaw the development of The Journal, a daily podcast produced by The Wall Street Journal and Gimlet Media.Originally from Seattle, I graduated cum laude from Occidental College in Los Angeles with a degree in politics.In my free time, I love skiing, tennis,  poker, and cheering on the Seattle Seahawks. I competed in the 2024 World Series of Poker Main Event but sadly did not win.