According to CoinMeta, in October, the total market trading volume reached $123.3 billion, surpassing $100 billion for the first time, with a growth of about 53.9% compared to September, and the number of transactions amounted to 642.9 million. Among them, the trading volume of kalshi was $98.2 billion, accounting for about 80%, with 465.5 million transactions; the trading volume of polymarket was $20.2 billion, with 148 million transactions. Football season betting products accounted for 67.6% of the trading volume in kalshi month, and most contracts were sold for less than 1 cent each. The trading volume in the US midterm elections market exceeded $1.4 billion, and the trading volume of kalshi and polymarket cryptocurrency contracts exceeded $3 billion for two consecutive weeks for the first time. The trading volume on US platforms in polymarket reached nearly $10 billion in October, with a growth of about 15% compared to the record.