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 Jigsaw? What is Gamma, Market Gamma and/or Total Market Gamma? What is Equity Hub™? What is taught in each video of 30 Years of Operations Education in 30 Minutes?