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Domestic legislative proposal

Senators Introduce Prediction Market Ban Bill

Analysis based on 6 articles · First reported Mar 23, 2026 · Last updated Mar 24, 2026

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Market Impact
General
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The introduction of the 'Prediction Markets Are Gambling Act' by Senators Adam Schiff and John Curtis could significantly impact prediction market platforms like Kalshi and Polymarket, potentially leading to a ban on sports and casino-style betting. This legislative action, coupled with existing legal challenges from states like United States — Arizona and United States — Nevada, creates regulatory uncertainty for these companies, which could affect their valuations and future growth prospects. The market sentiment for Kalshi and Polymarket is negative due to the increased regulatory pressure and potential loss of significant revenue streams from sports betting.

Financial Services Gambling Technology

Senators Adam Schiff and John Curtis introduced a bipartisan bill in the United States, dubbed the 'Prediction Markets Are Gambling Act,' aimed at banning prediction markets like Kalshi and Polymarket from offering sports betting and casino-style games. The legislation seeks to prohibit any entity registered with the United States — United States Commodity Futures Trading Commission (CFTC) from facilitating transactions related to sporting events or casino games. This move comes amidst growing concerns over the rapid expansion of prediction markets, which have seen significant trading volumes, particularly around major sports events like the Super Bowl. Critics, including the bill's sponsors, argue that these platforms are essentially unregulated gambling operations that violate state consumer protections and intrude upon tribal sovereignty. The bill also highlights a broader debate between state and federal regulators regarding oversight of these platforms. Kalshi and Polymarket have faced scrutiny for various issues, including insider trading allegations and allowing bets on sensitive geopolitical events. Despite the legislative pushback, Major League Baseball and the National Hockey League have recently partnered with these platforms, indicating a complex and evolving landscape for prediction markets.

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John Curtis, a U.S. Senator, co-sponsored the bill, emphasizing the need to protect young people from addictive sports betting and to respect states' authority over such activities.
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Polymarket competitor Kalshi Polymarket is a direct competitor to Kalshi, with both platforms vying for market share in the emerging prediction marke
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