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Tennessee Moves to Criminalize Prediction Market Manipulation

Legislation in Tennessee would make manipulating the outcome of a prediction market a criminal offense, a Class E felony.
TN legislation would criminalize prediction market manipulation by users.
Ian St. Clair Avatar
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Gaming Edge’s TL;DR

  • Tennessee has advanced Senate Bill 1992 to make it a Class E felony to influence outcomes tied to prediction markets when the influencer has a financial stake.
  • The move shifts enforcement from platform legality to individual conduct and could ripple across US markets as states weigh how to police event-based trading.

Tennessee lawmakers approved Senate Bill 1992 (28–1) on April 9, advancing a measure that would criminalize attempts to affect outcomes while holding positions in related prediction market contracts.

The bill mirrors House Bill 2079 and defines prediction markets as “a platform on which individuals trade contracts based on the outcome of unknown future events.” Its core language makes it illegal to act “while the person or another is a party to a contract with a prediction market by which the person will benefit, directly or indirectly, from the occurrence of the outcome.”

Conviction would be a Class E felony, and the statute is drafted under Title 39 to frame manipulation as an economic/property-related offense. Tennessee is already entangled in litigation with operators such as Kalshi, Polymarket and Crypto.com, and a federal judge has recently limited state enforcement against some contracts.

Bill targets players, not operators

The bill targets individual conduct rather than platform licensing, which changes the risk calculus for both players and firms.

For bettors, the law could create criminal exposure if you attempt to influence events you’ve bet on – a concern for anyone involved in real-world outcomes (from small events to sports).

For operators, the shift means additional compliance burdens: platforms may need stronger monitoring, enhanced KYC, position limits, and reporting tools to flag coordinated or manipulative behavior.

Key takeaways:

  • Players: Increased legal risk if you materially influence an event tied to a contract you hold. Even indirect benefit can trigger the statute.
  • Operators: Expect tighter internal controls and potential market contraction for contracts that invite manipulation.
  • Markets: Legal uncertainty remains because of active federal court challenges; platform availability and product design may vary state-by-state as firms balance risk and demand.

If passed into law, it would take effect July 1, but enforcement and scope will likely be refined through legal challenges and subsequent legislation.

Based on reporting by Suswati Basu for ReadWrite.

About the Author
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Ian St. Clair

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Ian St. Clair is a lover of words, vocal or written. Naturally, that makes Ian a great communicator and leader. Ian is curious and driven, always looking to improve, and always welcomes a challenge. Ian is authentic, possesses high-level emotional intelligence, and knows just when to crack a joke. A University of Northern Colorado graduate, Ian is now an expert in the online gambling field in the US, where he's been for over five years. Ian also has over a decade of journalism experience covering college and professional athletics, as well as the symphony and theater. Ian's a lover of history, news, and bacon. Oh, and tacos.

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