Stock-Trac Trading Software descriptions Stock-Trac trading software allows you for tracking the different trading times schedules & option expiration information of the primary U. S. stock & stock option exchanges. This software can display the informations of essential trading for any number of exchanges using fast graphic technology customize display settings set custom alerts access exchange links & easily adjust countdown timers & trading schedules to any world time zone. Stock-Trac easy to learn & use because it provides the context-sensitive help a simple & intuitive user interface & numerous customization features.