Feb 23 Update 2: Double-Bottom at 6821 Holds for Now — But If 6815-6820 Floor Fails, No + GEX Until 6800
Feb 20 Update 2: SPX Sandwiched Between Gamma Fortresses — 6915 Gate Blocks the Path to 6920-6930 +GEX Magnets
Feb 19 Pre-Market: Charm Asymmetry — OpEx Eve Structure Suggests Early Weakness, Favors Afternoon Recovery