River Markets
Prime brokerage for prediction markets
Antonin Parrot, Oscar Levy · 2 co-founders
Profile coverage4 of 8 · missing Funding, Signals, Customers, Stack / tools · last run 8/8/2026
About
River Markets is the prime brokerage for prediction markets. We aggregate every major event-contract venue into one account, giving professional traders best execution, portfolio and order management systems, and a unified API.