---
title: unitroot
description: OpenBB Terminal Function
---

# unitroot

Unit root test / stationarity (ADF, KPSS)

### Usage

```python
usage: unitroot [-r {c,ct,ctt,nc}] [-k {c,ct}]
```

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## Parameters

| Name | Description | Default | Optional | Choices |
| ---- | ----------- | ------- | -------- | ------- |
| fuller_reg | Type of regression. Can be ‘c’,’ct’,’ctt’,’nc’ 'c' - Constant and t - trend order | c | True | c, ct, ctt, nc |
| kpss_reg | Type of regression. Can be ‘c’,’ct' | c | True | c, ct |
---