
River Markets
Prime brokerage for prediction markets
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.
Topics
- Location
- San Francisco, CA, United States
- Team size
- 2 employees
- YC batch
- Spring 2026
- Status
- Active
- Stage
- Early stage





