RiverMarket
Prime brokerage for prediction markets
RiverMarket is a business in kima ventures portfolio company based in San Francisco, CA, USA.
Profile
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.
The company sits in the kima ventures portfolio company segment, where it competes on its core product or service.
The company is recorded as being based in San Francisco, CA, USA.
It is recorded at the Spring 2026 stage.
Recorded headcount: 2 employees.
Directory analysis
RiverMarket offers a prime brokerage platform designed for prediction markets, consolidating multiple event‑contract venues into a single account. The service delivers best execution, portfolio and order management tools, and a unified API for professional traders and developers. It targets users who need streamlined access to prediction market liquidity and advanced trading infrastructure.
Positioning: RiverMarket positions itself as a specialized brokerage solution within the emerging prediction markets sector, focusing on aggregation and unified APIs to differentiate from traditional models. While the niche market is still developing, its streamlined approach could appeal to professional traders seeking efficient execution and management.
Note: RiverMarket is a Kima Ventures-backed startup based in San Francisco with only two employees.
Auto-generated directory analysis from public data · updated 7 Oct 2026. Informational only, not investment advice.
| Sector | Kima Ventures portfolio company |
|---|---|
| Headquarters | San Francisco, CA, USA |
| Country | USA |
| Employees | 2 |
| Stage | Spring 2026 |
Website: www.rivermarkets.com
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