Bollinger Bands are a technical analysis tool that in the 1980s, John Bollinger evolved from the concept of trading bands. “What they do is answer the perennial question of whether prices are high or low on a relative basis. Armed with this information, an intelligent investor can make buy and sell decisions by using indicators to confirm price action.” John Bollinger. This article is not intended to explain the theories behind the Bollinger Bands, for that you can visit John Bollinger’s site at http://www.bollingerbands.com/services/bb/?page=1 it is rather intended to show you how I use them in my trading strategies. I use the bands to help determine entry and exit points and I find them to be the most useful indicators of all. Whatever charts you use there will be a choice of indicators. Once you choose the indicator the variable can be changed according to your preference. I generally change the MA preference from the default of 20 to 13. It narrows the bands and has worked better for me, but there is no strong theory behind it. Below is the chart with the bandshttp://s3.amazona...
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Owner at Krish Systems