Bollinger Bandwidth (Indicator)Analysis Techniques & Strategies
Bollinger Bandwidth (Indicator)
| Name | Expression | Default | Description |
| BollingerPrice | Numeric | Close | Price on which the calculation of the bands is based. |
| Length | Numeric | 20 | Number of bars of data to be considered. |
| NumDevsUp | Numeric | 2 | Number of standard deviations used to calculate the upper Bollinger Band. |
| NumDevsDn | Numeric | -2 | Number of standard deviations used to calculate the lower Bollinger Band. |
| Displace | Numeric | 0 | Number of bars to displace the plot of the Bollinger Bands. |
The Bollinger Bandwidth indicator calculates and plots the difference between the upper and lower Bollinger Bands, divided by the value of the moving average that is usually plotted as the middle line between the upper and lower bands.
A higher plotted value indicates that the bands are further apart and a lower plotted value indicates that the bands are closer together.
| Number | Name | Default Color | Description |
| Plot1 | Bandwidth | Yellow | Plots the Bollinger Bandwith. |
When applied to a chart, this indicator displays plots in a separate subgraph.
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