Abbreviation: BB %Width
Category: Time Series
Input Parameters:
| Name | Range | Default |
| Time Series | Close | |
| Periods | Int >= 2 | 20 |
| StndDev Multiplier | Real > 0.0 | 2 |
Calculation:
BB High(X, n, mult) – BB Low(X, n, mult)
‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘‘* 100
Avg(X, n)
where
X = Time Series
n = Periods
mult = StndDev Multiplier
BB Low represents Bollinger Band: Low
BB High represents Bollinger Band: High
Avg represents Simple Moving Average
Discussion:
Provides a measure of the price volatility relative to the underlying price magnitude. The sensitivity of this indicator varies widely depending upon the user’s choice of moving average and standard deviation multiplier.