talib.stdev
Standard deviation of source over length bars.
Unlike talib.variance, this signature carries no biased flag: there is one form of the calculation and no switch.
talib.stdev(series float source, series int length) → series float| Parameter | Type | Required | Description |
|---|---|---|---|
source | series float | yes | The series to measure. |
length | series int | yes | How many bars the window covers. |
Returns series float — A series float.
indicator("Standard deviation")
plot(talib.stdev(close, 20))See also talib.alma · talib.atr · talib.barssince
Part of the function index.
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