When do the Vanna Chart levels update? Vanna Chart levels are updated daily over night. Subscribers can access SpotGamma's Vanna Charts here. Related articles How does Next Exp Delta & Gamma effect the price going into that expiration and on Monday? How do I use Vanna Charts? What are Vanna Charts? How do I access SpotGamma Vanna Charts? What is the SpotGamma Gamma Index?