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Bollinger bandwidth (20, 2)

Bollinger band height as a percent of the middle band: squeeze and expansion.

Preview

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What it measures

A moving average with standard-deviation bands either side; their width is the squeeze read.

Inputs
Length 20Standard deviations 2
Output
A line, in percent
Feeds
Risk and sizing rules
Warm-up
20 bars before its first reading
Updates
When each bar closes
Filters entries
No. It’s measured and charted, and doesn’t change which entries are taken.
Part of
Bollinger Bands
Also known as
BB, %B, Bollinger Bandwidth

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