River Markets
Prime brokerage for prediction markets
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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. River Markets is a Y Combinator company (Spring 2026). YC-listed status: Active.
- Website
- rivermarkets.com
- Location
- San Francisco, CA, USA
- Added via
- web
- Ownership
- unclaimed
Where to go
Products
- River Markets — Execution and portfolio management platform giving professional traders one terminal and API to trade across prediction-market venues. · Saas
Links
- Y Combinator profileycombinator