Advance-Decline Line: Reading Market Breadth Divergences
The advance-decline line tracks cumulative participation across an exchange, exposing divergences that headline indices conceal. When breadth contradicts price, major trend turns often follow — sometimes months before reversals become obvious.
How Market Breadth Predicts Trend Strength and Reversals
Market breadth reveals whether an index rally rests on broad participation or a handful of mega-caps. Read on to see how traders read the internals.