The trading volume of the prediction market in October reached 123.3 billion USD, with Kalshi accounting for about 80%

According to Artemis data, the total market trading volume in October is projected to reach 123.3 billion dollars, marking the first time it has surpassed 100 billion dollars, an increase of approximately 53.9% compared to the record in September, with the number of trades reaching 642.9 million.

Among them, Kalshi's trading volume is 98.2 billion dollars, accounting for about 80%, with 465.5 million trades; Polymarket's trading volume is 20.2 billion dollars, with 14.8 million trades. The parlay products driven by the football season are the main driving force, accounting for 67.6% of Kalshi's monthly trading volume, with most contracts priced at less than 1 cent. Kalshi counts the trading volume based on a full payout value of 1 dollar per contract, and this data does not equal the actual funds invested by traders.

In addition, the trading volume in the U.S. midterm election market exceeded 1.4 billion dollars, and the trading volume of cryptocurrency contracts on Kalshi and Polymarket has surpassed 3 billion dollars for two consecutive weeks for the first time. Polymarket's U.S. platform trading volume in October approached 10 billion dollars, an increase of approximately 15% compared to the previous record.