Kalshi sports contracts face state crackdown after youth drive $3.9B in trading volume

A federal appeals court has allowed Nevada to enforce state gaming laws against Kalshi, effectively blocking the prediction market from offering sports contracts in the state unless it complies with local regulations. The ruling marks a significant escalation in the regulatory battle over event contracts, which have increasingly drawn the scrutiny of state authorities.

The legal pressure comes as data reveals the sheer scale of youth participation on the platform. Users between the ages of 18 and 21 have traded an estimated $5.4 billion on Kalshi this year, with $3.9 billion of that volume concentrated in sports-related events.

This activity exposes a major regulatory arbitrage opportunity that is now under threat. While most states restrict sports gambling to individuals aged 21 and older, Kalshi permits 18-year-olds to trade because it operates under the jurisdiction of the Commodity Futures Trading Commission rather than state gaming boards.

Regulatory pushback

State regulators are actively moving to close this jurisdictional gap. A coalition of 44 state attorneys general recently argued that the CFTC’s proposed prediction-market rules exceed federal authority and infringe on traditional state powers to regulate sports gambling. Meanwhile, New York State is pursuing litigation to shut down the platform entirely, alleging it operates an unlicensed gambling operation.

Kalshi maintains that its platform is a neutral financial exchange, not a sportsbook. The company argues it does not set odds, act as a counterparty, or profit from customer losses, noting that users aged 18 to 21 account for just 3.14 percent of its overall trading volume.

Critics point to the mechanics of the platform, which allow users to build multi-event combos that function similarly to parlay bets. Les Bernal, national director of Stop Predatory Gambling, warned that the platform creates a video game-like experience that pushes highly addictive products onto impressionable young people.

Academic research supports concerns over the platform's architecture. A peer-reviewed paper published in Science in April warned that the continuous novelty and infinite event streams of commercial prediction markets can weaken inhibitory control and drive compulsive use.

For investors and market professionals, the Nevada decision signals a potential fracture in the unified federal framework that prediction markets have relied upon to scale. If other states follow suit, the sector could face a patchwork of state-level restrictions that fundamentally alters its growth trajectory and compliance costs.