Moving average deviation rate
Simple moving average deviation rate and standard deviation.
The bollinger band is momentum value standard devition.
Bat the bollinger band is not normal distribution to close price.
Moving average deviation rate is normal distribution.
This indicator is draw Moving average deviation rate and fill area 2σ standard devition.
This indicator was originally developed by Edwin "Sedge" Coppock (Barron's Magazine, October 1962).
Specially for @AlexMayorov:
1) Buy when indicator crosses the zero line upside
2) Sell when indicator crosses the zero line downside
Measures the period's change in terms of the instrument's value (e.g. pip, dollar, etc) instead of as a percentage. I generally use it on a daily time frame with a period=1 to see how the current day's move compares with prior days' moves in order to gain a perspective into how this move ranks historically.