stdev
Calculate the rolling standard deviation of a target column.
Standard deviation is a measure of the amount of variation or dispersion of a set of values. It is widely used to assess the risk and volatility of financial returns or other time series data It is the square root of the variance.
Parameters
- standard
data: list[openbb_core.provider.abstract.data.Data]
The time series data as a list of data points.
• Optional: False
target: str
The name of the column for which to calculate standard deviation.
• Optional: False
Returns
results: list[Data]
Serializable results.
provider: None
Provider name.
warnings: Optional[list[Warning_]]
list of warnings.
chart: Optional[Chart]
Chart object.
extra: dict[str, Any]
Extra info.