River Markets
Prime brokerage for prediction markets
About River Markets
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.
Public traction evidence
Each signal links to the public source used for attribution.
- X
Today, River Markets announced an $8.5M seed round led by @HaunVentures .
Today, River Markets announced an $8.5M seed round led by @HaunVentures . We’re building the prime broker for prediction markets, giving professional trading firms unified execution and risk across venues. Blog post : https://t.co/EvjqAYk2oM
- X
Prediction market trading for funds and pro traders.
Prediction market trading for funds and pro traders. Book a demo → https://t.co/C7sOlCd1Uy
- X
Today, River Markets announced an $8.5M seed round led by @HaunVentures We’re building the prime broker for prediction markets, giving professional trading firms unified execution and risk across venues.
Today, River Markets announced an $8.5M seed round led by @HaunVentures We’re building the prime broker for prediction markets, giving professional trading firms unified execution and risk across venues. Thanks to @FortuneMagazine and @c_grigera for covering what we're
- LinkedIn
Oscar Levy LinkedIn post about River Markets
Launching River Markets out of YC Founder says River Markets is launching out of YC as prime broker infrastructure for prediction markets. Embedded Y Combinator context says the platform has traded more than $50M to date and powers professional traders. Public LinkedIn page...
- LinkedIn
Antonin Parrot LinkedIn post about River Markets
Referral fee for first founding engineer Founder says River Markets is YC P26 and is hiring a founding engineer. Post describes the company as prime brokerage infrastructure for prediction markets. Public LinkedIn page shows 79 reactions and 11 comments.
- LinkedIn
Excited to share a sneak peek of the trading platform we've been building. It's already being used by top prediction markets funds and traders. If you'd like an early look, we're opening up demo… | River Markets (YC P26)
Excited to share a sneak peek of the trading platform we've been building. It's already being used by top prediction markets funds and traders. If you'd like an early look, we're opening up demo slots this week : ...more
- X
Excited to announce the most advanced trading platform for prediction markets.
Excited to announce the most advanced trading platform for prediction markets. This is only the beginning.
- X
The hidden 2.4% tax on your prediction market trades If you trade size in prediction markets, you already know the drill: the bigger your order, the worse your fill.
The hidden 2.4% tax on your prediction market trades If you trade size in prediction markets, you already know the drill: the bigger your order, the worse your fill. We ran 50k contracts through every major venue during the July fed decision, all fees in. Polymarket US was