---
title: beta
description: This page displays a scatter plot demonstrating the beta of two stocks
  or ETFs, provides usage and parameters, including the reference ticker used for
  beta calculation with a default of 'SPY'.
keywords:
- beta
- stocks
- ETFs
- scatter plot
- beta calculation
- SPY
---

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

<HeadTitle title="stocks/qa/beta - Reference | OpenBB Terminal Docs" />

Displays a scatter plot demonstrating the beta of two stocks or ETFs.

### Usage

```python
beta [-r REF]
```

---

## Parameters

| Name | Description | Default | Optional | Choices |
| ---- | ----------- | ------- | -------- | ------- |
| ref | Reference ticker used for beta calculation. | SPY | True | None |

![beta](https://user-images.githubusercontent.com/62662248/180587175-5e548915-0d3e-44cf-bbff-3655d51e1d64.png)

---