Quantopian is the plane to learn quant finance – here is their mission statement:
“Quantopian is a community-powered quantitative investing platform. We inspire talented people from around the world to write investment algorithms. Quantopian provides capital, education, data, a research environment, and a development platform to algorithm authors (quants). We encourage every community member to create a strategy for our daily contest.
Quantopian’s community has nearly doubled year-over-year for the last four years and now numbers over 300,000 members. Quantopian’s members include finance professionals, scientists, developers, and students from more than 190 countries from around the world. The members collaborate in our forums and in person at regional meetups, workshops, and QuantCon, Quantopian’s flagship annual event.
Quantopian is committed to the open source software community. We maintain and contribute to many projects, especially in the quantitative finance, scientific computing, and security spaces.”