Events Newsletters Links Compatible Data Absolute Breadth Index rev. The ABI shows how much activity, volatility, and change is taking place on the New York Stock Exchange while ignoring the direction prices are headed.
High readings indicate market activity and change, while low readings indicate lack of change.
In Mr. Fosback's book, Stock Market Logic , he indicates that historically, high values typically lead to higher prices three to twelve months later. For interpretation refer to the book Stock Market Logic by Norman G. Fosback.