How to read Bookmap CloudNote Levels L1 - L5 - The latest SPX Gamma Hedging Levels ranked from Largest (1) to Smallest (5) Combo Strike - The largest combined (SPX + SPY) Gamma Hedging Levels Call Wall - Major Resistance Put Wall - Major Support Volatility Trigger – Major Support/Resistance. When price breaks through this level it indicates markets may face higher volatility. Date Field – There is a date field shown in light grey (YY/MM/DD). That must read TODAYS DATE or else you are trading off of stale trading levels. This label has no market significance. Download the Bookmap CloudNote Cheat Sheet here. Example: SpotGamma subscribers can access SpotGamma's daily Bookmap Cloudnotes levels here. Related articles How do I access SpotGamma's levels for Bookmap Cloudnotes? How do I upload to Bookmap? What is Bookmap? What is the SpotGamma Gamma Index? What is a Call Wall?