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 = "", sheet_name: Optional[str] = None, external_axes: bool = False)

---

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	bool	Whether to return the figure object or not, by default False	False	True

---

Returns

This function does not return anything

---