Bollinger Bands consist of a middle band with two outer bands. The middle band is a simple moving average that is usually set at 20 periods. A simple moving average is used because the standard deviation formula also uses a simple moving average.eveloped by John Bollinger, Bollinger BandsÂ® 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.
November 15, 2012. Jack Caveney Sr., founder of Panduit, recently passed away. A statement issued by Panduitâs chairman and chief executive officer John Caveney said, âJack fought a long, courageous battle with cancer over the past 15 years. During this time he showed the same fortitude, courage and perseverance that he displayed in the execution of his lifeâs workâbuilding a world-class company.
Joseph Hall 1789 â 1862, the inventor of 'Wet Puddling', was born in 1789 and apprenticed in 1806 as a puddler to use Henry Cort 's puddling process. He tried adding old iron to the charge of the puddling furnace and later puddler's bosh cinder (iron scale, that is rust) to the charge.