# Documentation

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# volarea

Price and volume chart

## Syntax

```volarea(X)
```

## Arguments

 `X` `X` can be a table or a `M`-by-`3` matrix. If `X` is a table, the first column of dates can be serial date numbers, date character vectors, or datetime arrays. If `X` is a `M`-by-`3` matrix, the first column contains date numbers, the second column is the asset price, and the third column is the volume.

## Description

`volarea(X)` plots asset date, price, and volume on a single axis.

## Examples

collapse all

This example shows how to plot asset date, price, and volume on a single axis, given asset X as an M-by-3 matrix of date numbers, asset price, and volume.

```X = [... 733299.00 41.99 15045445.00;... 733300.00 42.14 15346658.00;... 733303.00 41.93 9034397.00;... 733304.00 41.98 14486275.00;... 733305.00 41.75 16389872.00;... 733306.00 41.61 20475208.00;... 733307.00 42.29 14833200.00;... 733310.00 42.19 18945176.00;... 733311.00 41.82 25188101.00;... 733312.00 41.93 22689878.00;... 733313.00 41.81 21084723.00;... 733314.00 41.37 27963619.00;... 733317.00 41.17 20385033.00;... 733318.00 42.02 27783775.00]; volarea(X)```

This example shows how to use `datetime` input to plot asset date, price, and volume on a single axis, given asset `X` as an `M`-by-3 matrix of date numbers, asset price, and volume.

```X = [... 733299.00 41.99 15045445.00;... 733300.00 42.14 15346658.00;... 733303.00 41.93 9034397.00;... 733304.00 41.98 14486275.00;... 733305.00 41.75 16389872.00;... 733306.00 41.61 20475208.00;... 733307.00 42.29 14833200.00;... 733310.00 42.19 18945176.00;... 733311.00 41.82 25188101.00;... 733312.00 41.93 22689878.00;... 733313.00 41.81 21084723.00;... 733314.00 41.37 27963619.00;... 733317.00 41.17 20385033.00;... 733318.00 42.02 27783775.00]; t=array2table(X); t.X1 = datetime(t.X1,'ConvertFrom','datenum','Locale','en_US'); volarea(t);```