River Markets

Prime brokerage for prediction markets Status: Active. Batch: YC Spring 2026. HQ: San Francisco, CA, USA. Industry: Fintech. https://www.rivermarkets.com

Details

city: San Francisco
cohort year: 2026
country: United States
exited: false
industry: fintech
linkedin url: https://www.linkedin.com/company/rivermarkets
one liner: Prime brokerage for prediction markets
status: active
team size: 2
twitter url: https://x.com/river_markets
website: https://www.rivermarkets.com

person → founded2

Antonin Parrot
Oscar Levy

based in → country1

United States

has job → job posting1

Founding Engineer - River Markets (YC P26) at River Markets

accelerator → invested in1

Y Combinator

member of → category1

Fintech

participated in → cohort1

Y Combinator Spring 2026