The Bollinger Band technical indicator is an analytical technique developed by John Bollinger.  It helps those who use it compare volatility and relative price levels over a time period.  The whole system involves three bands that are supposed to collectively show the majority of a security’s price action.  These bands include a moving average, an upper band (the average plus 2 standard deviations), and a lower band (the average minus 2 standard deviations). 

If you are interesting in learning more about the Bollinger Band technical indicator system, you should check with your local university to see if they offer investing classes that cover this topic.  In order to use the system effectively, you will need to know a great deal about how it works and understand each component.  You may be able to read and learn from a book yourself.  Others may need to have that class instruction atmosphere to fully understand the way this system works however.  While this system is steady, the way people use it can determine how it works.  There are several ways to deal with the Bollinger Band technical indicator.  You can use these rules to help you get started.

Remember that when you are dealing with the Bollinger Bands technical indicator system that what you see is not a signal to buy or sell.  You must take in all the information the Bollinger bands provide in order to make the best investment decision.  While the Bollinger Bands technical indicator system is a great way to take a look at patterns and gain helpful insight, it is not a system you should use to base your entire investing strategy upon.