US Senate to ban sports betting on CFTC prediction markets
A bipartisan US Senate effort led by Senators Adam Schiff and John Curtis is set to introduce a bill to ban sports betting and “casino-style” event contracts on prediction markets regulated by the CFTC.
The proposal would amend the Commodity Exchange Act to block listing and trading event contracts tied to pro/college sports and gambling-like games (e.g., blackjack, roulette, lotteries). Backers say this should be handled by state regulators, not federal oversight, to reduce exposure of young people to addictive sports betting and gaming-style products.
Regulatory pressure is already rising around prediction markets. On March 12, the CFTC released staff guidance treating certain event contracts as a “financial asset” category and also moved toward further rulemaking under the CEA, with Polymarket and Kalshi operating as CFTC-designated contract markets (DCMs).
Legal challenges are intensifying. An Ohio court questioned the CFTC’s claim of “exclusive jurisdiction” on March 9, and a Nevada judge temporarily blocked Kalshi from offering sports, election, and entertainment event contracts for 14 days.
For crypto traders, the key trading impact is on US “sports prediction markets” liquidity. Dune data shows sports-related contracts are a major share of weekly volume on Polymarket (47.7% nominal) and Kalshi (78.8%), with weekly nominal volumes of about $1.2B and $2.6B respectively—so a ban could quickly reduce order flow and market depth.
Separately, scrutiny has intensified amid concerns over insider trading following the US–Iran conflict, adding to the broader regulatory risk facing CFTC-supervised prediction markets.
Neutral
This news is primarily regulatory and legal for CFTC-supervised prediction markets (Polymarket/Kalshi). Since no specific listed cryptocurrencies are mentioned as directly affected, the direct price impact on crypto itself is likely limited, making the near-term market reaction more about sentiment around prediction-market platforms than about any particular coin.
In the short run, a sports-betting ban and court rulings could reduce liquidity and increase volatility in US prediction-market contracts, which may spill over into sentiment for any crypto-linked derivatives or activity on/around these platforms.
In the long run, depending on how Congress and the courts resolve jurisdiction and contract scope, there could be clearer compliance paths—or sustained uncertainty. Overall, the effect on crypto prices is best viewed as neutral rather than clearly bullish or bearish.