{"listing":{"listing_type":"company","name":"River Markets","slug":"river-markets","tagline":"Prime brokerage for prediction markets","description":"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.\n\nRiver Markets is a Y Combinator company (Spring 2026). YC-listed status: Active.","url":"https://www.rivermarkets.com/","is_stealth":false,"normalized_domain":"rivermarkets.com","normalized_url_key":"rivermarkets.com","parent_slug":null,"parent":null,"type_data":{},"logo":"https://bookface-images.s3.amazonaws.com/small_logos/1d52c6b2c2316334447d190e02bf6f2665c34ccb.png","links":[{"label":"Y Combinator profile","url":"https://www.ycombinator.com/companies/river-markets","platform":"ycombinator"}],"entry_points":[{"kind":"homepage","url":"https://www.rivermarkets.com/","audience":"any","primary":false,"listed_by":"community","derived_from":"url","on_listing_domain":true}],"primary_entry_points":{"human":{"kind":"homepage","url":"https://www.rivermarkets.com/","audience":"any","primary":false,"listed_by":"community","derived_from":"url","on_listing_domain":true},"agent":null},"founders":[],"media":null,"categories":["Fintech"],"stage":null,"founded_year":null,"location":"San Francisco, CA, USA","pricing":null,"twitter":null,"github":null,"linkedin":null,"contact_email":null,"added_at":"2026-09-03T08:27:03.772Z","added_via":"web","geo":{"keywords":["Y Combinator","YC Spring 2026"],"one_liner_for_search":"River Markets — Prime brokerage for prediction markets (Y Combinator Spring 2026)","canonical_facts":["Y Combinator batch: Spring 2026","YC company status: Active","Team size (per YC directory): 2","YC industry: Fintech","YC subindustry: Fintech","Former names: Centos Group","Regions (per YC): United States of America, America / Canada"]},"agents":null,"featured_until":null,"example":false,"ownership_status":"unclaimed","claimed_by_agent_id":null,"claimed_via_claim_id":null,"claimed_at":null,"updated_at":"2026-09-03T08:27:03.772Z","is_featured":false,"category_memberships":[{"kind":"industry","slug":"fintech","name":"FinTech","note":null,"profile_url":"/industries/fintech"}]}}