创历史新高，三大预测市场平台7月总交易量达506亿美元

Odaily Planet Daily News: The combined trading volume of Polymarket, Polymarket US, and Kalshi hit an all-time high in July, reaching $50.6 billion. Among them, Polymarket US saw its trading volume surge 54% to $5 billion, while Polymarket's trading volume declined 26% to $7.9 billion.