When do the ESignal levels update? ESignal levels update at 3 AM EST daily. SpotGamma subscribers can access SpotGamma's daily ESignal levels here. Related articles How do I access SpotGamma's levels for ESignal? What is Sierra Chart? How to read Bookmap CloudNote Levels Does SpotGamma have an API? Can I export data? How do I access SpotGamma's levels for Jigsaw?