Our high-performance API data feeds and trading infrastructure help hedge funds, investment banks, brokers, market makers, financial technology providers, and trading venues perform at their best with quality data delivered the way they want. All from one trusted source.

We started as QuantHouse, the leader in advanced API-based algorithmic trading technology. Now as Iress, we’re giving our clients an even better way to power their data-driven trading strategies, with API data and trading solutions built for better performance.