---
title: line
description: The page describes the 'line' function of the OpenBB library, used for
  displaying line plots of data. It provides the source code link and details the
  parameters, usage, and examples of the function within the domain of quantitative
  analysis and data visualization using Python.
keywords:
- line plot
- quantitative analysis
- data visualization
- pd.Series
- matplotlib
- datetime
---

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

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

Display line plot of data

Source Code: [[link](https://github.com/OpenBB-finance/OpenBBTerminal/tree/main/openbb_terminal/common/quantitative_analysis/qa_view.py#L938)]

```python
openbb.qa.line(data: pd.Series, title: str = "", log_y: bool = True, markers_lines: Optional[List[datetime.datetime]] = None, markers_scatter: Optional[List[datetime.datetime]] = None, export: str = "", external_axes: Optional[List[matplotlib.axes._axes.Axes]] = None)
```

---

## Parameters

| Name | Type | Description | Default | Optional |
| ---- | ---- | ----------- | ------- | -------- |
| data | pd.Series | Data to plot | None | False |
| title | str | Title for plot |  | True |
| log_y | bool | Flag for showing y on log scale | True | True |
| markers_lines | Optional[List[datetime]] | List of dates to highlight using vertical lines | None | True |
| markers_scatter | Optional[List[datetime]] | List of dates to highlight using scatter | None | True |
| export | str | Format to export data |  | True |
| external_axes | Optional[List[plt.Axes]] | External axes (1 axis is expected in the list), by default None | None | True |


---

## Returns

This function does not return anything

---

## Examples

```python
from openbb_terminal.sdk import openbb
df = openbb.stocks.load("AAPL")
openbb.qa.line(data=df["Adj Close"])
```

---