> For the complete documentation index, see [llms.txt](https://help.edgetracker.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.edgetracker.com/advanced-scanner/creating-filters-and-columns/examples/column-example-30-day-highest-price.md).

# Column Example: 30-Day Highest Price

This example creates a column that returns the highest price from the previous 30 trading days.

To add this column, open an existing scan and follow the steps below. If you don’t have a scan yet, see this [article](/advanced-scanner/readme.md) to create one first.

Add a new column by clicking on the new column icon as shown below.

<figure><img src="/files/slt2itJnOM9ZBFMCVHvm" alt=""><figcaption></figcaption></figure>

Make the following selections and click "Add".&#x20;

<figure><img src="/files/TQIeb94oBcmLI59NpAXW" alt=""><figcaption></figcaption></figure>

{% hint style="info" %}
**Adjusted** is selected for **Adjustment** to maintain consistency across multiple days, especially in the event of stock splits.
{% endhint %}

{% hint style="success" %}
**Tip:** You can use these same selections to create a filter instead of a column.
{% endhint %}