Polymarket and Kalshi cumulative trading volume surpasses $150 billion

Odaily reports that the cumulative trading volume of prediction market platforms Polymarket and Kalshi surpassed $150 billion in April, but this marked the end of seven consecutive months of record monthly growth.

Data shows that Polymarket's number of active trading users decreased from 733,000 in March to approximately 643,000, driving a decline in overall market trading volume. However, its U.S. business continues to grow, and Kalshi's performance also remains on an upward trend.