Polymarket Rewrites Its DeFi Matching Engine in Rust After Calling the Old CLOB Unsalvageable
Polymarket is scrapping its DeFi order book and rebuilding the matcher in Rust after its engineering lead said the old code cannot be saved.
PolyPunter Staff
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National Council on Problem Gambling Accepting $2 Million from Kalshi Causes State Gambling Authorities to Walk Away
Ohio’s June exit, then Michigan and Nevada, turned Kalshi’s $2 million NCPG gift into a live fight over who funds harm reduction—and who sits too close to the table.
Yahoo Finance Ends Polymarket Data Deal After Prediction Market Hub Comes Down
Yahoo Finance has ended its exclusive Polymarket data deal after quietly pulling the prediction-market hub in April, while keeping Polymarket as an advertising partner across Yahoo properties.
Tunica-Biloxi Launches First Tribal Nation Prediction Market App With Kalshi
Tunica-Biloxi launched SaltTrade Derivatives, the first tribal nation prediction market app powered by Kalshi, a day after CFTC staff eased rules for software that routes event-contract trades.
CFTC No-Action Letter Opens Passive Software Path to Regulated Prediction Market Trading
CFTC staff will not treat qualifying non-custodial software as brokers when it only connects traders to registered firms, widening the path to event-contract apps.
Kalshi Targets $40 Billion Valuation After $14.1 Billion Surge in 30-Day Trading Volume
Kalshi is chasing a $40 billion valuation after 30-day volume hit $14.1 billion, widening its lead as Sequoia and Wellington weigh a $750 million-plus round.
Korean Polymarket Traders Referred to Local Prosecutors After $12.7 Million Wager Probe
Police referred 18 Polymarket traders to prosecutors after booking 26 people over $12.7 million in alleged illegal wagers, including one $4.1 million book built from public blockchain traces.
Fed Rate Hike Prediction Market Odds Hit the Mark as FOMC Lifts Rates 25 Basis Points
Traders had priced an 85%–89% chance of a quarter-point hike. The Fed delivered, then October and December contracts immediately began fighting over the next 25 basis points.
Polymarket Midterms Hub Launch Puts 2026 Election Markets on One Screen
Polymarket launched a 2026 Midterms Hub that maps live Senate, House, and governor odds, letting traders track chamber control and Election Night returns as campaign news moves prices.
Texas State Senate Panel Confronts Sports Event Contracts With Harsh Analogy
Sen. Bob Hall compared sports event contracts to a painkiller before a wound as a Senate panel weighed lawsuits, a ban, or leaving traders on federally overseen platforms.