---
title: aroon
description: This documentation page provides an in-depth overview of the Aroon technical
indicator within the OpenBBTerminal. It covers the model and chart view of the Aroon
indicator, with detailed parameters and source code. It also provides the functionality
to plot the Aroon indicator and export data.
keywords:
- aroon
- technical indicator
- openbb.ta
- openbb.ta.aroon
- openbb.ta.aroon_chart
- trend indicators
- OHLC price data
- plotting
- matplotlib
- axes
- scalar
- window
- symbol
- export
---
import HeadTitle from '@site/src/components/General/HeadTitle.tsx';
import Tabs from '@theme/Tabs';
import TabItem from '@theme/TabItem';
Aroon technical indicator
Source Code: [[link](https://github.com/OpenBB-finance/OpenBBTerminal/tree/main/openbb_terminal/common/technical_analysis/trend_indicators_model.py#L56)]
```python
openbb.ta.aroon(data: pd.DataFrame, window: int = 25, scalar: int = 100)
```
---
## Parameters
| Name | Type | Description | Default | Optional |
| ---- | ---- | ----------- | ------- | -------- |
| data | pd.DataFrame | Dataframe with OHLC price data | None | False |
| window | int | Length of window | 25 | True |
| scalar | int | Scalar variable | 100 | True |
---
## Returns
| Type | Description |
| ---- | ----------- |
| pd.DataFrame | DataFrame with aroon indicator |
---
Plots Aroon indicator
Source Code: [[link](https://github.com/OpenBB-finance/OpenBBTerminal/tree/main/openbb_terminal/common/technical_analysis/trend_indicators_view.py#L121)]
```python
openbb.ta.aroon_chart(data: pd.DataFrame, window: int = 25, scalar: int = 100, symbol: str = "", export: str = "", external_axes: Optional[List[matplotlib.axes._axes.Axes]] = None)
```
---
## Parameters
| Name | Type | Description | Default | Optional |
| ---- | ---- | ----------- | ------- | -------- |
| data | pd.DataFrame | Dataframe with OHLC price data | None | False |
| window | int | Length of window | 25 | True |
| symbol | str | Ticker | | True |
| scalar | int | Scalar variable | 100 | True |
| export | str | Format to export data | | True |
| external_axes | Optional[List[plt.Axes]] | External axes (3 axes are expected in the list), by default None | None | True |
---
## Returns
This function does not return anything
---