Here's the simplest algo I could think of for Robinhood. The idea is to put up $500 of my hard-earned capital, and entrust it with a couple start-up fintech outfits, namely Quantopian and Robinhood.
It would be nice to explicitly exclude ordering anything but SPY. However, I don't see a way to do this.
Any guidance from those who have done Robinhood trading? Anything I should change in the code?