Introduction to Bollinger Bands

By | March 17, 2018

Introduction Developed by John Bollinger, Bollinger Bands are volatility bands placed above and below a moving average. Volatility is based on the standard deviation, which changes as volatility increases and decreases. The bands automatically widen when volatility increases and narrow when volatility decreases. Bollinger Bands are similar to moving average envelopes. The difference between Bollinger… Read More »


By | March 16, 2018

During a research experiment a marine biologist placed a shark into a large holding tank and then released several small bait fish into the tank. As you would expect, the shark quickly swam around the tank, attacked and ate the smaller fish. The marine biologist then inserted a strong piece of clear fiberglass into the… Read More »