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Prediction market May volume hits record $28.4 billion; Kalshi share 61 percent

Prediction market monthly trading volume hit a record $28.4 billion in May, exceeding the previous peak of $27.1 billion set in January and extending gains for a fourth straight month, Cryptopolitan reported. Kalshi posted $17.3 billion, up 29 percent from April, accounting for about 61 percent of total volume. Polymarket recorded $8.4 billion. Together the two platforms made up nearly 90 percent of the market.