In June, the combined trading volume of Kalshi, Polymarket, and Polymarket US experienced a remarkable increase of 75% from the previous month, totaling $44.8 billion, as reported by The Block.
Kalshi saw an impressive rise of 87.4%, reaching $31.5 billion, while Polymarket's volume grew by 45% to $10.26 billion. Polymarket US contributed $3.04 billion to the overall figure. This surge in trading activity is largely attributed to heightened interest surrounding the 2026 FIFA World Cup, which commenced on June 11.
