TOS scan for inside days Discussion in ThinkOrSwim Updated January 20, 2018: trending_up 12,811 views thumb_up 3 thanks given group 4 followers forum 3 posts attach_file 0 attachments Welcome to futures io: the largest futures trading community on the planet, with well over 150,000 members:. 1. In the Stock hacker, click on Add Filter. Choose Study from the drop-down menu. 2. From the Study drop-down menu, choose Custom... 3. Choose a time frame you want to scan from the Aggregation menu. 4. Un-check the " Include Extended-Hours Trading session " checkbox if you don't want to include after-hours trading.