Bollinger Bands

A Bollinger Band® is a set of lines plotted two standard deviations (positively and negatively) away from a simple moving average of the security’s price. A Bollinger Band®, developed...

Dow Theory

The Dow Theory on stock price movement is a form of technical analysis. The theory was derived from 255 Wall Street Journal editorials written by Charles H. Dow (1851–1902),...