The raise marks a sharp step-up in Kalshi's valuation and tests whether prediction markets can grow beyond sports betting volume.

Lawmakers are asking the venues to show their election pricing is not being distorted ahead of the midterm vote.

Federal regulators are intervening in a state prosecution that tests who has authority over event contracts.

Traders and polls both lean toward Democrats, with several individual Senate races also priced in their favor.

The withdrawals show operators pulling back from states asserting gambling-law authority over event contracts.

A major exchange operator moving into event contracts would broaden the market beyond Kalshi and Polymarket.

The incident involved a hijacked third-party script, and Polymarket says it will make affected traders whole.

Prediction markets contributed $173 million to Robinhood while crypto revenue slumped and legal threats weighed on the stock.

Criminal charges, rather than civil enforcement, raise the stakes for the venue and its executives.

The suit is part of a widening state-by-state legal fight over who oversees event contracts.

Rising volume has not stopped traditional sportsbooks from holding their ground, according to the coverage.

Share data underscores how much of the US-regulated prediction market Kalshi now controls.

The volume highlights how offshore and federally regulated venues keep operating in states that outlaw such wagers.

The regulator's warning flags a new front in the international debate over how to classify event contracts.

League rules bar players from holding betting-company stakes, a classification Polymarket disputes.

Team-level deals show prediction markets moving into mainstream sports sponsorship.

The move signals the venue is investing in Washington relationships as Congress weighs its business model.

The venue partnerships are aimed at reaching election-night audiences as interest in political odds peaks.