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90 lines
2.5 KiB
Markdown
Vendored
90 lines
2.5 KiB
Markdown
Vendored
---
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title: donchian
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description: This page provides comprehensive documentation on how to calculate and
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plot Donchian Channels using OpenBB's technical analysis tools. Learn about the
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parameters and return types to leverage this method in your financial modelling
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work.
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keywords:
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- Donchian Channels
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- Technical Analysis
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- Financial Modelling
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- FinTech
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- Volatility Models
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- Dataframes
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- Data Visualization
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---
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import HeadTitle from '@site/src/components/General/HeadTitle.tsx';
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<HeadTitle title="ta.donchian - Reference | OpenBB SDK Docs" />
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import Tabs from '@theme/Tabs';
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import TabItem from '@theme/TabItem';
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<Tabs>
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<TabItem value="model" label="Model" default>
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Calculate Donchian Channels
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Source Code: [[link](https://github.com/OpenBB-finance/OpenBBTerminal/tree/main/openbb_terminal/common/technical_analysis/volatility_model.py#L53)]
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```python
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openbb.ta.donchian(data: pd.DataFrame, upper_length: int = 20, lower_length: int = 20)
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```
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---
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## Parameters
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| Name | Type | Description | Default | Optional |
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| ---- | ---- | ----------- | ------- | -------- |
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| data | pd.DataFrame | Dataframe of ohlc prices | None | False |
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| upper_length | int | Length of window to calculate upper channel | 20 | True |
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| lower_length | int | Length of window to calculate lower channel | 20 | True |
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---
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## Returns
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| Type | Description |
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| ---- | ----------- |
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| pd.DataFrame | Dataframe of upper and lower channels |
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---
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</TabItem>
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<TabItem value="view" label="Chart">
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Plots donchian channels
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Source Code: [[link](https://github.com/OpenBB-finance/OpenBBTerminal/tree/main/openbb_terminal/common/technical_analysis/volatility_view.py#L112)]
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```python
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openbb.ta.donchian_chart(data: pd.DataFrame, symbol: str = "", upper_length: int = 20, lower_length: int = 20, export: str = "", external_axes: Optional[List[matplotlib.axes._axes.Axes]] = None)
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```
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---
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## Parameters
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| Name | Type | Description | Default | Optional |
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| ---- | ---- | ----------- | ------- | -------- |
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| data | pd.DataFrame | Dataframe of ohlc prices | None | False |
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| symbol | str | Ticker symbol | | True |
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| upper_length | int | Length of window to calculate upper channel | 20 | True |
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| lower_length | int | Length of window to calculate lower channel | 20 | True |
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| export | str | Format of export file | | True |
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| external_axes | Optional[List[plt.Axes]] | External axes (1 axis is expected in the list), by default None | None | True |
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---
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## Returns
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This function does not return anything
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---
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</TabItem>
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</Tabs>
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