bbands
- Model
- Chart
Calculate Bollinger Bands
Source Code: [link]
openbb.ta.bbands(data: pd.DataFrame, window: int = 15, n_std: float = 2, mamode: str = "ema")
Parameters
| Name | Type | Description | Default | Optional |
|---|---|---|---|---|
| data | pd.DataFrame | Dataframe of ohlc prices | None | False |
| window | int | Length of window to calculate BB | 15 | True |
| n_std | float | Number of standard deviations to show | 2 | True |
| mamode | str | Method of calculating average | ema | True |
Returns
| Type | Description |
|---|---|
| pd.DataFrame | Dataframe of bollinger band data |
Plots bollinger bands
Source Code: [link]
openbb.ta.bbands_chart(data: pd.DataFrame, symbol: str = "", window: int = 15, n_std: float = 2, mamode: str = "sma", export: str = "", external_axes: Optional[List[matplotlib.axes._axes.Axes]] = None)
Parameters
| Name | Type | Description | Default | Optional |
|---|---|---|---|---|
| data | pd.DataFrame | Dataframe of ohlc prices | None | False |
| symbol | str | Ticker symbol | True | |
| window | int | Length of window to calculate BB | 15 | True |
| n_std | float | Number of standard deviations to show | 2 | True |
| mamode | str | Method of calculating average | sma | True |
| export | str | Format of export file | True | |
| external_axes | Optional[List[plt.Axes]] | External axes (1 axis is expected in the list), by default None | None | True |
Returns
This function does not return anything