---
title: acf
description: OpenBB Terminal Function
---

# acf

Auto-Correlation and Partial Auto-Correlation Functions for diff and diff diff forex data

### Usage

```python
acf [-l LAGS]
```

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## Parameters

| Name | Description | Default | Optional | Choices |
| ---- | ----------- | ------- | -------- | ------- |
| lags | maximum lags to display in plots | 15 | True | range(5, 100) |

![acf](https://user-images.githubusercontent.com/46355364/154305242-176c3ba1-ebfc-43e7-a027-46251fb02463.png)

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