QuantConnect is an open-source algorithmic trading platform that provides its community of over 280,000 quants with access to financial data, cloud computing, and a coding environment where they can design algorithms. Users develop trading strategies in Python and C#, backtest them, and then deploy them into their brokerage trading accounts. We are a truly global company with users worldwide who have created more than 12M algorithms and live trade more than $2B in notional volume monthly.