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Prediction market trading hits record highs as Polymarket, Kalshi set crypto volume records

Polymarket and Kalshi both set record daily trading volumes in their crypto categories on June 2, as the broader crypto market slumped. Polymarket posted $176 million and Kalshi $108 million, according to Cryptopolitan. Prediction market trading also expanded, with May turnover reaching a monthly record of $28.4 billion, led by Kalshi. Polymarket had a larger amount of locked capital, while new entrants such as Hyperliquid\'s HIP-4 launched outcome-based contracts.