Prediction market Kalshi is violating Massachusetts’ state gambling laws, its attorney general alleged in a lawsuit Friday.
In a filing, Attorney General Andrea Joy Campbell alleged 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 block Kalshi from offering sports prediction markets in the state without a license, as well as monetary and other relief.
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Prediction markets have grown in popularity over the past few years, with crypto-focused companies like Polymarket and firms like Kalshi seeing immense interest over questions such as who would win the last presidential election. While the Massachusetts filing notes that Kalshi does offer these different
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