I've shared copy-able G sheet with full script that calls stock trading API.
https://docs.google.com/spreadsheets/d/1RLvSmDEfS7U2OrqlUYvv...I'm sure many of you guys do some trick over stocks in spreadsheet. Full explanation: https://medium.com/automation-generation/manage-your-stocks-...
These spreadsheets are truly amazing, I've only seen glimpses of these spreadsheets but they were massive, nothing like needed to have servers in the local network cabinet and running cables for keyboard, video and mouse, because you needed 1/2 a Tb of ram in order to open the spreadsheet.