How often does the trending stock list update? The trending stock list updates automatically every 15 minutes. If you feel like your list may be stale, refresh your page for the most up to date list. SpotGamma Alpha subscribers can access the SpotGamma HIRO Indicator here. Related articles What symbols are listed in the SpotGamma HIRO Indicator? Can a symbol be added to the SpotGamma HIRO Indicator? What does the sliding scale in the “HIRO Signal” column indicate? Where can I find the trending stocks listed? What does the number beside the sliding scale in the “HIRO Signal” column indicate?