Polymarket acquired Dome, a startup that provides an API for prediction markets, according to the report. Dome is described as a New York-based company.
The acquisition adds an API startup to Polymarket’s business.
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Sportradar reported that US revenue rose 47% year on year to €98m in Q3 2026, which the company attributed partly to growing demand from prediction-market businesses. Chief executive Carsten Koerl said the impact of states excluding markets was not material to the company, citing contract terms that restrict content use where those products cannot be offered.
U.S. revenue rose 47% to €98m ($109.7m) in Q3 2026, against Q3 2025. Growing work in the prediction markets industry fueled the 47% year-over-year increase in Sportradar’s U.S. revenue in Q3. CEO Carsten Koerl said he does not worry about more states excluding sports event contracts.
Prediction-market platforms were trading contracts on control of the US House and Senate during the 3 November midterm elections, according to the report. It cited Kalshi and Polymarket prices at 10:32 a.m. ET and said no results had been reported by then. The report also described third-quarter figures from Robinhood, including $173 million in event-contract revenue and 16.4 billion contracts traded.
Kalshi and the Philadelphia 76ers entered a multi-year partnership, reportedly announced on 2 November 2026. The agreement includes postgame SEPTA rides for fans who attended the team’s game against the Knicks on 30 October, alongside fan-engagement activities.
The Philadelphia 76ers and Kalshi have reportedly entered a multi-year agreement that makes Kalshi an official partner of the team.
Polymarket said a third-party provider was compromised in a security incident on 29 October, and that affected users would be reimbursed. The platform briefly suspended event-contract trading while addressing the incident, then resumed it; it did not confirm the total funds taken or number of affected accounts.
Polymarket said it would reimburse users whose funds were taken in a security breach on 29 October, after a third-party provider was compromised. The company confirmed the incident and said it had referred the matter to the police. In a post on X, the company's official profile said: "Qualquer pessoa que tenha sido afetada será totalmente ressarcida".
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.