Quantopian is a company providing the algorithmic trading platform in a browser. The company’s tools and support give quants what they need to learn, create, test, trade — and reap the benefits of quantitative finance for themselves. Quantopian provides robust foundational technology for creating algorithms and unfettered access to a decade’s worth of trading data for backtesting. Beyond technology, Quantopian is also an engaged community where people can discuss concepts, process, and performance and learn from peers and experts.