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* add first iteration of content for Terminal Pro * Update index.md * Update dashboards.md * Update folders.md * Update grouping.md * Update report.md * Update templates.md * Update quick-start.md * Update index.md * Update index.md * Update home.md * Update news.md * Update index.md * Update index.md * Update index.md * Update data-provider.md * Update chat-with-widget.md * Update data-manipulation.md * Update forecasting.md * fix: images self closing tags * fix: only pro visitors can see pro * inter font * improve SEO content and restructuring * add new package for toggle on tutorials * move folder around * improve main page of each prod * small updates and improvements * fix logo above * small improvement in headtitle for portfolio funcs * fix typos from OpenAI's GPT-4 * fix _category_ json * remove generic SEO words * add script that generates SEO for documentation * add missing file * remove sdk warning message * fix links for andrew --------- Co-authored-by: jose-donato <zmcdonato@gmail.com> Co-authored-by: jose-donato <43375532+jose-donato@users.noreply.github.com> Co-authored-by: andrewkenreich <andrew.kenreich@gmail.com>
89 lines
2.4 KiB
Markdown
Vendored
89 lines
2.4 KiB
Markdown
Vendored
---
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title: spread
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description: 'The page provides information about two central functions of the OpenBBTerminal:
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''spread'' and ''spread_chart''. These Python functions are part of the quantitative
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analysis, analyzing standard deviation, variance and create spread charts. The descriptions
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include source code, parameters, and return values.'
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keywords:
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- Standard Deviation
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- Variance
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- Quantitative Analysis
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- Rolling model
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- Spread
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- Spread chart
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---
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import HeadTitle from '@site/src/components/General/HeadTitle.tsx';
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<HeadTitle title="qa.spread - 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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Standard Deviation and Variance
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Source Code: [[link](https://github.com/OpenBB-finance/OpenBBTerminal/tree/main/openbb_terminal/common/quantitative_analysis/rolling_model.py#L41)]
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```python
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openbb.qa.spread(data: pd.DataFrame, window: int = 14)
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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 targeted data | None | False |
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| window | int | Length of window | 14 | True |
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---
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## Returns
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| Type | Description |
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| ---- | ----------- |
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| Tuple[pd.DataFrame, pd.DataFrame] | Dataframe of rolling standard deviation,<br/>Dataframe of rolling variance |
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---
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</TabItem>
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<TabItem value="view" label="Chart">
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Plots rolling spread
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Source Code: [[link](https://github.com/OpenBB-finance/OpenBBTerminal/tree/main/openbb_terminal/common/quantitative_analysis/rolling_view.py#L135)]
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```python
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openbb.qa.spread_chart(data: pd.DataFrame, target: str, symbol: str = "", window: int = 14, 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 | None | False |
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| target | str | Column in data to look at | None | False |
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| target | str | Column in data to look at | None | False |
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| symbol | str | Stock ticker | | True |
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| window | int | Length of window | 14 | True |
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| export | str | Format to export data | | True |
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| external_axes | Optional[List[plt.Axes]] | External axes (3 axes are 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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