# Filter: Pre-Market 7 AM High > 20% This example creates a filter that returns securities whose highest pre-market price between 7:00 AM and 9:29 AM was at least 20% above the previous day's close. To add this filter, open an existing scan and follow the steps below. If you don't have a scan yet, see this [article](https://help.edgetracker.com/advanced-scanner/readme) to create one first. Add a new filter by clicking on the new filter icon as shown below.

Use the following formula and click "Add". {% code overflow="wrap" %} ``` [INTRADAY_MAX(price_high_adj, 0, 7:00, 9:29, 30)] / [DAILY_PRICE_CLOSE_ADJ(-1)] > 1.2 ``` {% endcode %}