QuantConnect
quantconnect.comOpen source algorithmic trading platform for quants and engineers
Finance & Fintechalgorithmic-tradingquantitative-financebacktestingopen-sourcemachine-learningcloud-platformquant-research

About
QuantConnect is a multi-asset algorithmic trading platform that enables quants and engineers to research, backtest, optimize, and deploy trading strategies using cloud-based or on-premises tools. It is built on LEAN, an open-source algorithmic trading engine contributed to by over 180 engineers, and supports assets including equities, options, futures, forex, crypto, and more. The platform processes over $45B in notional monthly volume and has deployed more than 375,000 live strategies since 2012.
Problem
Building and deploying professional-grade algorithmic trading strategies requires expensive infrastructure, vast data access, and complex tooling that is difficult to assemble independently.
For
Quantitative traders, engineers, and institutional quant teams
How it works
Users research and code strategies in cloud or local environments using the LEAN engine, backtest against historical multi-asset data, optimize parameters, and deploy live through 20 broker integrations.
Business model
freemium
Status
launched
Company
QuantConnect
Launched
2012