These filter the alerts based on the value of the count column.

The count tells how many alerts like this the server has reported. The count is reset at midnight. There is a separate count for each alert type for each symbol. The users' filters do not affect the count.

More information about the count:
Fatal error: Uncaught Error: Call to undefined function video_help() in /var/www/alldocs/home/rprather/TIWebsite/templates/help/filter_content/Count.html:11 Stack trace: #0 {main} thrown in /var/www/alldocs/home/rprather/TIWebsite/templates/help/filter_content/Count.html on line 11