Polymarket has signed multi-year agreements with Major League Baseball and Spain’s LaLiga, according to the report. The MLB agreement includes an integrity framework restricting contracts on specific game events; its reported value is about $150 million, attributed to industry experts.
The agreements establish sports-league partnerships and event-contract limits for Polymarket.
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DraftKings launched its DraftKings Predictions app in December 2025 and introduced its DKeX contracts market on 26 June 2026, according to the report. The company developed DKeX using technology and authorisations obtained through its acquisition of Railbird Technologies; the report also says a US professional basketball league expanded its agreement with DraftKings on 26 October to cover prediction markets.
DraftKings is developing its own event-contracts platform and expanding its presence in prediction markets, where it competes with platforms including Polymarket and Kalshi. The Boston-based company, listed on Nasdaq, operates through the independent group DraftKings Inc., which also owns Golden Nugget Online Gaming, acquired in 2022, and the digital lottery platform Jackpocket. Golden Nugget Online Gaming forms part of the group's online casino business, while the physical Golden Nugget casinos were excluded from that acquisition.
The NBA said it signed agreements with the CFTC, Kalshi and Polymarket to establish a framework for NBA-related prediction markets. The framework includes limits on permitted markets, restrictions on trading by league and team personnel, and information-sharing on investigations and suspicious trading.
Agreements with the Commodity Futures Trading Commission, Kalshi and Polymarket have been signed by the NBA, the league said. Under the framework, the league said, permissible markets are limited, league and team personnel are barred from trading, and information is shared on investigations and suspicious trading.
The NBA announced agreements with Kalshi and Polymarket to establish safeguards for NBA-related prediction markets in the United States. The league also signed a memorandum of understanding with the CFTC and expanded its DraftKings agreement to cover prediction markets and nationwide promotion; the arrangements exclude the WNBA.
The National Basketball Association unveiled a set of agreements on Monday aimed at creating a broad framework for prediction markets tied to its games. That framework includes a memorandum of understanding with the Commodity Futures Trading Commission. Kalshi and Polymarket were named by the league as its preferred exchanges for such markets. The WNBA is not covered by the arrangement.
DraftKings chief executive Jason Robins said the company’s exchange ranked third by trading value for the week ended Oct. 18. Aldrin Research data cited in the report put its volume at $1.04 billion and market share at 3.57%.
Trading in 2026 US midterm election contracts passed $750m in notional volume by 15 October, citing CNN. That is nearly eight times the $92.4m traded on Congressional and state races in 2024. The Anti-Corruption Data Collective counts over 21,000 midterm markets across Kalshi and Polymarket and projects volume could reach $1.6bn once the races conclude.
Trading in contracts on the 2026 US midterm elections had passed $750m in notional volume by 15 October, CNN reported, in an account. The figure covers the new prediction market platforms. The Anti-Corruption Data Collective counts more than 21,000 midterm offerings on Kalshi and Polymarket, and the research group projects that volume on the races could reach $1.6bn once the midterms are complete.