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River Markets raises $8.5 million to build prediction-market prime brokerage
Haun Ventures led the seed round as the start-up pitches a single execution layer across fragmented venues.
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Kalshi begins streaming live order books on DoubleZero Edge
The feed starts with the exchange’s busiest sports and crypto perpetual futures contracts, and Kalshi is waiving its revenue share for the first year.
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NYC Council zeroes in on prediction market ads aimed at young users
Letters to Polymarket, Kalshi, Coinbase and Gemini Titan ask how the platforms market event contracts, how much they pay influencers and whether their promotions mislead New Yorkers.
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Kalshi seeks $40 billion funding as revenue tops $4 billion
The prediction-market exchange is reportedly courting new investors after a sharp rise in trading and a July revenue run-rate that more than doubled in two months.
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Federal judge lets Utah enforce ban on Kalshi
Judge Robert Shelby said federal commodities law does not block the state’s sports gambling restrictions, and Kalshi said it will appeal.
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Nine senators press the CFTC to rein in wildfire bets
The lawmakers warned that prediction markets on fires could encourage arson, profit from disaster and raise public-safety risks, and they asked for answers by 14 August.
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Polymarket seeks more than $20 billion valuation as revenue surges
The prediction-market platform has seen trading volumes and annualised revenue climb after opening its U.S. exchange.
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New York sues Kalshi as illegal gambling case widens
The state says the prediction-market firm operated without a gaming licence, let in 18- to 20-year-olds and dodged taxes meant to support public services.
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Judge blocks Minnesota’s prediction market ban
Katherine Menendez said the challengers were likely to succeed on pre-emption claims, keeping Kalshi and Polymarket US live in the state for now.
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Kalshi and AppliedXL launch biopharma prediction markets with strict guardrails
The pilot will let traders price clinical-trial outcomes and FDA decisions, while limiting access to late-stage studies and requiring employment checks.