Quantopian now closes down completely:
https://www.bloomberg.com/news/articles/2020-12-16/quant-trading-platform-quantopian-closes-down
“In late October, the company announcedit was shutting down. A few weeks later, Quantopian Chief Executive Officer John Fawcett announced that he, his co-founder, and other employees were going to work at the retail brokerage Robinhood Markets Inc.”
https://www.bloomberg.com/news/articles/2020-12-16/quant-trading-platform-quantopian-closes-down
“In late October, the company announcedit was shutting down. A few weeks later, Quantopian Chief Executive Officer John Fawcett announced that he, his co-founder, and other employees were going to work at the retail brokerage Robinhood Markets Inc.”