Blockchain Capital partner Spencer Bogart shared on the X platform that Kalshi and Polymarket recorded nearly equal total trading volumes in March, each around $12 billion. According to Odaily, Kalshi's trading volume was $12.29 billion, while Polymarket's was $12.22 billion. Excluding sports-related transactions, Polymarket's non-sports trading volume reached $7.5 billion, compared to Kalshi's $1.6 billion. Despite their differing positions in the prediction market, both platforms are categorized similarly.