River Markets Analysis
What is River Markets?
River Markets provides trading infrastructure for prediction-market desks, including execution tools, order management, and a unified API. Its platform supports algorithmic order types, basket trading, smart routing, and subaccounts for isolating strategy and capital. The company says it is backed by Y Combinator and is live on Kalshi, Polymarket, and Polymarket US.
Location
San Francisco, United States
Employees
1-10
Founded
2026
Industry
B2B, Finance, Analytics
AI Pattern
Not primarily AI
Blog Category
Fintech
Builds Hardware
Software only
Business Model v4
Marketplace
Delivery Model
Marketplace
Sub-cluster
prediction market execution
YC Partner
Harj Taggar
Product Description
River Markets offers professional execution services for prediction markets, primarily facilitating access to platforms like Kalshi and Polymarket. Key features of their service include a multi-book view for managing orders, execution algorithms, smart routing for price improvement, and a unified order management system. The main benefits of using River Markets are streamlined access to multiple exchanges from a single platform, allowing traders to focus on generating alpha rather than managing infrastructure.
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