Midterm trading volume on Kalshi and Polymarket is setting records as markets price heavy Democratic odds, a key test of whether prediction markets beat traditi

Kalshi says midterm volume passed $1.4 billion, with users heavily positioned on Democrats taking both chambers.

Multiple sportsbook operators are pulling or pausing Utah prediction market offerings following criminal charges against Kalshi in the state.

An industry organization approved a Polymarket unit to act as a futures broker, advancing the platform's US regulated footprint.

Kalshi began offering perpetual futures tied to US equities, drawing objections from established Wall Street firms.

Polymarket is winding down Michigan sports markets, the latest venue to retreat amid state-level pressure on event contracts.

Jefferies data show October prediction market volume up 55% month over month to a record, signaling rapid category growth.

Sporttrade secured CFTC clearance to launch event contracts, adding another regulated entrant to the prediction market field.

Platforms and regulators are grappling with insider trading risk as election markets attract large volumes.

Combined losses on Kalshi parlay products have crossed $1 billion, underscoring the scale of retail activity on the venue.

Lawmakers from both parties are signaling oversight of prediction markets once election season ends.

Sportradar credited prediction markets with a significant role in its third quarter growth as event contracts show up in earnings.

Nate Silver highlighted large gaps between his forecast model and prediction market pricing in the final midterm stretch.

Michigan's Senate market has drawn heavy volume on Kalshi, where Abdul El-Sayed's odds rose after Haley Stevens news.

Illinois is appealing a ruling that blocked its law restricting prediction markets, extending the state-level legal fight.

Marex completed clearing of an event contract trade for a large financial institution on Kalshi, a step toward institutional participation.

Robinhood's economics on event contracts are far richer than equities trading, a factor behind its prediction market push.

Market pricing implies Democrats are favored to reach or exceed 53 Senate seats, above a bare majority.