Volatility quality Stridsman indicator (Thomas Stridsman is the inventor of that indicator, and this version is coded the way how original version is, not like some variations that are commonly used) — histogram version.
This version, unlike the "regular" version, plots only 1 value:

Smoother std adaptive
Smoother - standard deviations adaptive.
Averages rainbow
Plotting up to 256 averages on chart.
Volatility Quality Stridsman
Volatility quality Stridsman.
High and Low Custom levels
High and Low. For levels, you can specify an offset. You can specify the interval (PERIOD_D1) on which to search for levels.