River Finance LLC Completes CFTC Registration, Authorized to Handle Client Funds. River Finance LLC, an affiliate of prediction market broker River Markets, has registered with the U.S. Commodity Futures Trading Commission (CFTC) as a Futures Commission Merchant (FCM) and joined the National Futures Association (NFA), gaining authorization to hold client accounts and handle client funds. River Markets is building a prediction market prime brokerage platform that allows clients to manage funds, positions, and risks across multiple exchanges and clearinghouses through a single account, and provides financing arrangements and OTC trading support. Founded in May of this year, the company has already transferred over 250 million contracts for clients including hedge funds and proprietary trading firms, and completed an $8.5 million seed funding round. (Source: The Block)