Pick your topic and level, and work up from Beginner. These are the concepts AlgoPloy is built on.
The first hour's range and what the open tells you.
Trend, normal and neutral days; D, P and b shapes.
Net aggression per bar, the running total, and divergences.
Diagonal bid/ask ratios and what a stack of them means.
Choosing the right lookback for the question you're asking.
Untouched control prices that act like magnets.