As we know, Bollinger bands are measures of standard deviations away from a moving average.
Does anyone know if we have an indicator which outputs a single number which is the actual standard deviation number away from a moving average ?
For example, it may output +2 is the price is at the upper band... or -2 if the price is at the lower band
Hoping for something ready made (if is exists) without the need for Ninja Script

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