Dec 22: Update No 1 -- more upside squeeze fuel IF 6865 breaks, but ceiling strong at 6880-6595; 6860 still beckons at NY close

Dec 22: Pre-NY Open -- range-bound 0DTE trade, dominated by IC whale positioning

Why Customer Longs Create 0DTE Sell-Offs -- PAM's Guide to Reading Aggregate and Strike-Level Options Flow

Dec 19: Update No. 1-- SPX meets solid resistance at 6850 - 6860 zone with (+) 125.84 GEX; (+) CEX begins to exert downforce just about now

Dec. 19: Pre OpEx Summary -- GEX fading, CEX rising, stabilization weakening; grind lower in late NY session

Revised Dec 19 OpEx Expectation of MM Hedge Reaction Function

Dec 18: Update No. 3 -- SPX at 6805 (and large positive GEX), this may be optimal level for the rest of the short hedges

Dec 18: Update No. 2 -- breach of 6810-6815 says we have a shot at 6830; breach of 6775 warns the sell-off continues

Dec 18: Update No. 1 -- 6810 breach likely leads to 6830-6835, with stickiness at 6805 and 6815-6820 on the way

SPX Market Structure Advisory: Dec 18-19, 2025; including OpEx MM hedge expectations

Dec 17: Update No. 2 -- SPX support shaping up at 6750 - 6740, but breach of 6730 re-ignites sell-off

Dec 17: Update No. 1 -- Greek structure shifted down after NY Open to 6775 - 6745; the IC whale likely wins at close