CFTC Targets Sportsbook-Style Odds on Prediction Markets

The US Commodity Futures Trading Commission is pushing prediction market operators to move away from one of the most recognizable conventions in sports betting: American odds.

In a joint notice from its Division of Market Oversight and Market Participants Division, the CFTC told regulated firms that event contracts should not be presented using the plus-and-minus pricing format commonly found at sportsbooks.

The issue is not simply how a number is displayed. The regulator argues that sportsbook-style odds can make a financial contract look like a conventional wager, while giving traders less information about how the underlying market is priced.

Under the American odds system, a line such as -110 or +200 communicates the potential return from a wager. Prediction markets, by contrast, generally price contracts according to their market value, often using cents or percentages to represent the implied probability of an outcome.

The CFTC wants firms offering event contracts to retain that distinction in how prices are presented.

Firms Have Until August 31

The notice applies to CFTC-regulated entities involved in listing, soliciting or accepting orders for event contracts.

Those firms have been instructed to review how prices appear across their platforms, as well as associated marketing and promotional material. The review also extends to practices carried out by partners and affiliates.

Regulated entities have until August 31 to confirm that they have received the notice.

The CFTC's concern extends beyond consumer understanding. The agency said misleading pricing displays could potentially fall within federal restrictions on manipulative practices.

It also pointed to the risk that users could mistake a derivative product for a bookmaker's wager, potentially making it easier for higher-margin betting products to be marketed alongside regulated event contracts.

The Distinction Matters as Sports Markets Grow

The timing of the warning is significant.

Sports have become a major part of the prediction market business, putting platforms offering event contracts increasingly in direct competition with traditional sportsbooks. That has made the distinction between the two models a central part of the regulatory fight surrounding the sector.

Prediction markets operate under federal derivatives regulation, while sportsbooks are generally licensed and regulated at the state level.

That distinction is now being tested through a series of legal disputes over sports-related contracts. States have argued that contracts based on sporting events amount to gambling and should fall under state gaming laws. The CFTC, meanwhile, has continued to defend its authority over federally regulated event contracts.

The agency has become involved in litigation involving several states, while courts have produced mixed outcomes over the extent of federal jurisdiction and the application of state gambling laws.

Against that backdrop, the CFTC's position on pricing presentation carries significance beyond interface design.

Requiring prediction markets to use market-based pricing rather than sportsbook-style odds reinforces the regulatory argument that the products are fundamentally different from conventional sports bets.

For operators, it also creates another compliance consideration as prediction markets continue moving deeper into sports and compete for users accustomed to the language and interfaces of sportsbooks.