---
title: omega
description: Learn about the omega series and ratio in the OpenBB quantitative analysis
  toolkit. The documentation provides information on how to generate the omega series
  and plot the omega ratio from stock dataframes.
keywords:
- omega series
- quantitative analysis
- numpy
- pandas
- dataframe
- stock data
- threshold range
- annualized target return
- omega ratio
- plotting
- chart
---

import HeadTitle from '@site/src/components/General/HeadTitle.tsx';

<HeadTitle title="qa.omega - Reference | OpenBB SDK Docs" />

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<TabItem value="model" label="Model" default>

Get the omega series

Source Code: [[link](https://github.com/OpenBB-finance/OpenBBTerminal/tree/main/openbb_terminal/common/quantitative_analysis/qa_model.py#L639)]

```python
openbb.qa.omega(data: pd.DataFrame, threshold_start: float = 0, threshold_end: float = 1.5)
```

---

## Parameters

| Name | Type | Description | Default | Optional |
| ---- | ---- | ----------- | ------- | -------- |
| data | pd.DataFrame | stock dataframe | None | False |
| threshold_start | float | annualized target return threshold start of plotted threshold range | 0 | True |
| threshold_end | float | annualized target return threshold end of plotted threshold range | 1.5 | True |


---

## Returns

| Type | Description |
| ---- | ----------- |
| pd.DataFrame | omega series |
---

</TabItem>
<TabItem value="view" label="Chart">

Plots the omega ratio

Source Code: [[link](https://github.com/OpenBB-finance/OpenBBTerminal/tree/main/openbb_terminal/common/quantitative_analysis/qa_view.py#L1214)]

```python
openbb.qa.omega_chart(data: pd.DataFrame, threshold_start: float = 0, threshold_end: float = 1.5)
```

---

## Parameters

| Name | Type | Description | Default | Optional |
| ---- | ---- | ----------- | ------- | -------- |
| data | pd.DataFrame | stock dataframe | None | False |
| threshold_start | float | annualized target return threshold start of plotted threshold range | 0 | True |
| threshold_end | float | annualized target return threshold end of plotted threshold range | 1.5 | True |


---

## Returns

This function does not return anything

---

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