StdDev
forge.taclassSince Forge API 1
Signaturepython
forge.ta.StdDev(**inputs: Any) -> NoneHow far values spread around their average over a period.
Inputs
| Name | Type | Default | Range |
|---|---|---|---|
| source | source | close | |
| period | int | 20 | 1 to 5000 |
| method | ma_method | sma |
The square root of the mean squared distance of the last period values from the chosen average at the current bar
The divisor is period, not period - 1.