Kalshi is pulling ahead in the prediction market race, capturing a dominant share of trading volume even as competitors like Polymarket push into regulated U.S. territory. From Sept. 11 to 17, Kalshi accounted for 62% of total volume in the on-chain prediction market sector, according to data from Dune Analytics, while Polymarket’s stood at 37%. […]
Prediction market Kalshi is violating Massachusetts’ state gambling laws, its attorney general alleged in a lawsuit Friday. Attorney General Andrea Joy Campbell alleged in a filing that sports event contracts, which Kalshi introduced in January 2025, violate the state’s sports wagering laws, which require operators to be licensed. Campbell is asking for a court to […]