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Ep. 211: John Bollinger Interview with Michael Covel on Trend Following Radio

Michael Covel's Trend Following

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The History of the Bollinger Band

The first version of Bollinger Band was put out in 1982. The idea came from an active options trader who wanted to get a handle on volatility estimates. He used the Dow Jones Industrial Average and percentage bans, a 4.5% above and below a 21-day moving average. It had very good risk-reward ratio, a nice percentage of winning trades versus losing trades.

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