Under the Webull-Kalshi partnership, Webull provides the distribution and customer base while prediction-market operator Kalshi acts as wholesale infrastructure by supplying the Commodity Futures Trading Commission-regulated venue

From the articleWebull to debut crypto-linked perpetual futures in November | ReutersAlso in Webull to offer Bitcoin perpetual futures to over 6 million clients, Webull to Roll Out Kalshi-Listed Bitcoin Perpetual Futures to US Customers in November - Unchained