Trading Startups funded by Y Combinator (YC) 2026

QFEX is the 24/7 exchange for traditional financial markets. We let you trade US equities, commodities and FX pairs with (or without) leverages of up to 100x. On QFEX, UX comes first: brokerless market access, seamless integration with traditional payment rails, and ultra-efficient Perpetual Futures offered over all asset classes. Trading has never been simpler, cheaper or fairer than with QFEX. Founded by Quants and Engineers from Citadel & Tower Research who saw an opportunity to make markets how they always should have been, QFEX will eventually replace the entire $100 billion exchange and clearing industry.

Axiom is the trading platform for decentralized finance and currently offers memecoins, perpetuals, and yield. Since launch we've hit 10M MRR and 5M monthly net profit.

We’re a research lab that puts its ideas to the test in one of the most complex, information-rich environments in the world: the financial markets. If you care about learning systems, clean abstractions, and applying research in the wild - we’re hiring.

AI-native crypto hedge fund

marketfeed offers an automated trading platform that helps users earn returns through sophisticated options trading strategies. By connecting their broker's account, users can automate expert-developed strategies. The platform automatically executes trades, providing the potential for periodic earnings without the need for constant monitoring.

Hapi democratizes investing for consumers in Latin America. We let anyone from Latam easily invest in stocks, ETFs and cryptos in under 5 minutes, with no minimums and no commissions.

Kalshi (www.kalshi.com) is the first federally regulated exchange where you can trade on the outcome of events. We built Kalshi because we believe that people should be able to capitalize on what they know and have opinions on. We make this possible by expanding what people can trade on and allowing them trade in the domain of everyday knowledge. Kalshi is developing a new asset class, “event contracts,” and a financial exchange for trading on the outcome of events: we are federally regulated by the CFTC as the first-ever legal futures exchange in the U.S. for trading on a broad category of events.

Fintool.com is a financial copilot for institutional investors. It’s ChatGPT on top of financial documents. Fintool is engineered to discover financial insights that are beyond the reach of human analysis or search software.