Combined Kalshi and Polymarket volume fell 14.5 percent in August, the first monthly decline in over a year, the same week Connecticut sued Kalshi to stop it offering sports contracts, adding to the casino industry's own push against both platforms.
Combined Kalshi and Polymarket volume fell 14.5 percent in August, the first monthly decline in over a year, the same week Connecticut sued Kalshi to stop it offering sports contracts, adding to the casino industry's own push against both platforms.