DeFi Rate authorMike Breen

The Braves, Red Sox, Dodgers, Padres and Giants have struck exclusive multi-year partnerships with Kalshi, while MLB maintains an exclusive league-level partnership with Polymarket.

Y Combinator-backed ForumEX applied to the CFTC to become an exchange offering perpetual-style futures on online attention around people, games and other cultural subjects.

Polymarket US Combos went from beta testing to more than 20% of exchange volume in a week, while similar multi-leg contracts have already become Kalshi’s largest trading category.

Polymarket US self-certified contracts on AI computing costs as the CFTC seeks comment on how such derivatives should be listed, with Kalshi, CME and ICE also building markets.

At the CFTC advisory committee's first meeting, executives backed federal oversight and consumer safeguards but clashed over self-certification, manipulation and allowed contracts.

Cantor will broker large Kalshi block trades for its roughly 3,000 institutional clients, with Susquehanna providing liquidity, as the exchange expands incentives for bigger trades.

Polymarket US launched Combos, parlay-style multi-leg sports contracts, in its app after weeks of testing and just before the NFL season.

The proposed US500 contract would track 500 large U.S. companies without an expiration date, putting Kalshi directly against CME’s equity-index futures business as CME fights the CFTC over perps.

Gemini's prediction market volume rose sharply in the second quarter while revenue stayed small, and it plans to expand through outside distribution partners.

Kalshi removed its sports announcer mention markets as the CFTC reportedly examines whether they are too easy to manipulate, though similar contracts remain live.

A Washington court ordered Kalshi to block contracts on sports, elections, politics, entertainment, culture, technology, science and mentions, with geofencing required.

Limits and timeouts are already live in Novig’s app as Ludlow Exchange files broader standards covering marketing, contract design and behavioral monitoring.

Fliff, Onyx Odds and Rebet are following Novig and ProphetX from sweepstakes sports betting toward regulated prediction markets as states crack down on sweepstakes.

The CFTC declared New York’s attempt to potentially shut down the prediction market exchange a “market emergency,” escalating the federal/state fight over event contracts.

After its Sports Illustrated market paused and a TIME launch stalled, Galactic won US broker approval for Predictor, and pages suggest Kalshi contracts may power it.

The Nasdaq deal extends surveillance to Kalshi’s fast-growing perpetual futures business as the exchange layers on additional market-monitoring and employee-compliance tools.

The AI-powered tool grew out of an earlier prototype as bars, brands and other businesses experiment with event contracts to offset real-world risks.

DraftKings Predictions grew quickly through July, and the company is moving major sports trading onto its own exchange, with a new FCM and market making operation.

The Yankees deal comes as New York pursues a potential $36 billion case against Kalshi that could help determine whether sports event contracts can continue to be offered in the state.

Genius Sports signed deals with Kalshi and Polymarket US a day apart, supplying official soccer data and, for Polymarket, integrity services and streaming rights.