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# CFTC Tells Prediction Markets to Drop Sportsbook-Style Odds
- URL: https://www.igamingnews.biz/cftc-prediction-markets-drop-betting-odds/
- Published: 2026-08-10T12:00:00.000Z
- Updated: 2026-08-12T13:20:28.000Z
- Description: The CFTC warned Kalshi and Polymarket on 7 August to stop showing sports contracts as moneyline odds, giving regulated exchanges until 31 August to confirm compliance.
- Author: iGamingNews Editorial Desk
- Tags: Regulation, Prediction Markets

*Image credit: Source: CFTC public statement. Never imply stock depicts the actual event.*

**The Commodity Futures Trading Commission told its regulated prediction market exchanges on 7 August 2026 to stop displaying sports event contracts as American-style moneyline odds, and gave them until 31 August to confirm they received the letter.** The warning names no single company, but it lands squarely on Kalshi and Polymarket, the two platforms that have built consumer-facing sports products on contracts the CFTC itself classifies as swaps, not bets.

The mechanical difference is what the CFTC is policing. A prediction market prices a contract in cents, where 40 cents implies roughly a 40% chance an event happens. Moneyline odds, the plus-or-minus format every regulated sportsbook uses, show how much a $100 stake wins or requires to win $100 instead. The CFTC's letter argues that format itself, not just the underlying product, encourages the kind of risk-taking a probability price does not.

Kalshi confirmed it will comply before the deadline, calling itself "a federally regulated exchange" in its response. Polymarket, which operates under a separate regulatory posture and did not respond to requests for comment from reporters covering the letter, has given no public timeline for changing its display.

## The line the CFTC is trying to hold

This is a narrower move than a ban on sports contracts, and that is exactly the point. The CFTC has spent 2026 defending its exclusive jurisdiction over these products in federal court, including [signing an amicus brief asserting that authority before the Sixth Circuit](https://www.igamingnews.biz/prediction-markets-sports-betting-rival/), while 44 states argue the agency has no business regulating what they consider straightforward sports betting dressed up as a derivative. Ordering exchanges to strip out betting-style odds is the CFTC drawing its own visual line between a financial instrument and a wager, in a fight where the two increasingly look identical to the person placing the trade.

That distinction has commercial weight attached to it. [Sportradar signed both Kalshi and Polymarket as data clients](https://www.igamingnews.biz/sportradar-kalshi-polymarket-prediction-markets/) rather than pick a side, and [IG Group is paying up to $1.3 billion for Underdog](https://www.igamingnews.biz/ig-group-underdog-prediction-markets-acquisition/) specifically to get a licence stack built for this market. Every company with money on prediction markets needs the CFTC's jurisdictional claim to survive the current legal challenges, including the one [Kalshi is fighting in Illinois over state licensing and tax](https://www.igamingnews.biz/kalshi-illinois-prediction-market-lawsuit/). An agency that cannot show it actively regulates how these contracts are marketed has a weaker case for saying only it gets to regulate them at all.

## What operators should watch

The 31 August deadline is only for confirming receipt of the letter, not for completing the display changes, and the CFTC has not published a compliance timeline or stated penalties for exchanges that keep moneyline formatting past that date. Licensed sportsbooks watching this fight should treat it as a signal that the money-line question is now a live front, not a settled one. If the CFTC pairs the odds-display order with a formal rule rather than a warning letter, that rule becomes the next document worth reading closely.