How do I join the SpotGamma SlackChat? The SpotGamma SlackChat is exclusively for paying subscribers of SpotGamma. You can request to join the SpotGamma SlackChat here. Related articles What are the community guidelines for the SpotGamma Slack Chat? What is the SpotGamma Imp 1 Day Move? What is Gamma, Market Gamma and/or Total Market Gamma? Why are the SpotGamma levels for NDX & SPX different from the NQ/ES levels in Bookmap? How do I access SpotGamma's levels for Bookmap Cloudnotes?