In July, the total trading volume for Kalshi and Polymarket reached a historic high of $50.59 billion, marking a 7.8% increase from June, according to The Block.
Kalshi was the standout performer, contributing $37.7 billion, which is a 14% growth month-over-month. In contrast, Polymarket faced a significant drop, with its trading volume falling 26% to $7.9 billion. Meanwhile, Polymarket US saw a remarkable 54% surge, bringing its volume to $5 billion. However, following the World Cup's conclusion, open interest across all platforms has dropped by about 40%.
