Buy more of it when it costs less.
Anything less than the smaller drop counts as near the high.
Free at finnhub.io — 60 calls a minute, plenty for a handful of stocks. The key is stored on this device only.
Install Ladder to your home screen first — on iPhone, notifications only work once it's installed.
Run once, then paste these into the worker's settings.
Figures are for your own bookkeeping, not advice. Data can lag the market.