The total trading volume across Kalshi, Polymarket, and Polymarket US soared to an unprecedented $50.59 billion in July, as reported by The Block. This figure represents a month-over-month increase of 7.8%.
Kalshi accounted for $37.7 billion, reflecting a 14% rise compared to the previous month, while Polymarket experienced a decline of 26%, bringing its volume down to $7.9 billion. Conversely, Polymarket US saw a significant increase of 54%, reaching $5 billion. Following the conclusion of the World Cup, open interest across all three platforms has decreased by approximately 40%.