Kalshi Fines MrBeast Editor for Insider Trading on YouTube Star's Markets

Artem Kaptur, an editor for YouTube's most popular creator, was accused of using non-public information to profit on Kalshi's prediction markets.

Published on Feb. 25, 2026

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Kalshi, a predictions market platform, has fined Artem Kaptur, an editor for YouTube star MrBeast, over $20,000 for alleged insider trading on markets related to the MrBeast YouTube channel. Kalshi claims Kaptur used non-public information about MrBeast videos to inform his bets on the platform. The fine includes both the profits Kaptur made, as well as an additional $15,000 penalty. Kalshi has also banned Kaptur from trading on its platform for two years.

Why it matters

This case highlights the challenges prediction market platforms face in ensuring users do not exploit non-public information for financial gain. While similar behavior is punishable by up to 20 years in prison for securities trading, the vast number of markets on platforms like Kalshi and Polymarket make it difficult to police insider trading. It has also drawn attention from U.S. lawmakers, who are proposing legislation to restrict government employees from trading on prediction markets related to government policy or political outcomes.

The details

Kalshi said it 'found reasonable cause' to believe that Artem Kaptur, an editor for MrBeast, had used non-public information about MrBeast videos to inform his betting on matters involving the MrBeast YouTube channel. Kalshi did not disclose the specific bets Kaptur placed, but some markets on the platform allow users to bet on what words MrBeast will say in upcoming videos or when his company, Beast Industries, will announce an IPO - information a video editor could potentially influence. Kalshi says Kaptur traded around $4,000 on YouTube streaming markets in August and September 2025, making a $5,397.58 profit, which prompted the fine.

  • In August and September 2025, Kaptur allegedly traded around $4,000 on YouTube streaming markets related to MrBeast.

The players

Artem Kaptur

An editor for YouTube star MrBeast who was accused by Kalshi of insider trading on the platform's markets related to the MrBeast YouTube channel.

Kalshi

A predictions market platform that fined Artem Kaptur over $20,000 for alleged insider trading and banned him from trading on its platform for two years.

MrBeast

A popular YouTube creator whose video-related information Kalshi claims Kaptur used to inform his bets on the platform.

Beast Industries

MrBeast's company, which has markets on Kalshi that allow users to bet on when it will announce an IPO.

Representative Ritchie Torres

A U.S. Congressman who proposed legislation to make it illegal for government employees to trade on prediction markets related to government policy, government actions, or political outcomes.

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What they’re saying

“This American bill only applies to regulated, American companies and not to unregulated, non-American companies, which is where the alleged issues are occurring. Prediction markets, like any industry, are not a monolith: there are important distinctions that matter.”

— Tarek Mansour, CEO of Kalshi (LinkedIn)

What’s next

Representative Ritchie Torres' proposed legislation to restrict government employees from trading on prediction markets related to government policy or political outcomes is expected to be considered by Congress in the coming months.

The takeaway

This case highlights the challenges prediction market platforms face in policing insider trading, as the vast number of markets make it difficult to ensure users are not exploiting non-public information. It has also sparked regulatory scrutiny, with lawmakers proposing new rules to address the potential for manipulation on these platforms.