[Polymarket's Monthly Trading Volume Declines for the First Time Since Last August] According to Cointelegraph, the monthly trading volume of prediction market Polymarket fell by approximately 8.9% in April to $10.2 billion, marking its first month-over-month decline since last August. In contrast, its competitor Kalshi saw its April trading volume grow by about 13% to $14.8 billion. The overall prediction market's total trading volume in April reached approximately $29.8 billion, a month-over-month increase of 12.4%. As Polymarket's trading volume declines, the company is attempting to fully reintegrate into the U.S. market, while U.S. lawmakers are intensifying regulatory scrutiny of prediction markets.