Bollinger Bands

Bollinger Bands are overlay channels that are drawn using a stock’s Moving Average (MA) and the standard deviation from the Moving Average. They consist of three bands, with the following default settings:

  1. A middle band (plotted using a stock’s 20-day moving average)
  2. A lower band (plotted 2 standard deviations below the moving average)
  3. An upper band (app_node_termplotted 2 standard deviations above the moving average)

The lower and upper bands can be used to identify levels of support and resistance in price.

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As with all overlays, the Bollinger Bands default settings can be customised. Simply click the Bollinger Bands link at the top right-hand side of the chart. This will open a modal window where you can make your adjustments.

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