
Bollinger bands is an indicator proposed by John Bollinger, founder and president Bollinger Capital Management, Inc. specializing in investments and funds management services rendered to individuals and corporations.
Over a long time, John Bollinger had been working as a chief analyst of the big cable channel Financial News Network (FNN) publishing financial news.
J. Bollinger gained a global popularity because of so called “Bollinger Bands” received a mass recognition and used in most part of modern analytical computer applications.
In appearance Bollinger Bands resemble moving averages envelopes expressed in the per cent form, but have a notable pecularity: in Bollinger Bands the size of vertical shift of Moving Average line is expressed by a certain amount of standard price deviations (unlike moving averages envelopes with external borders formed by a vertical upward and downward shift for a certain constant amount in per cents).