Nov. 17: Characterization of SPX Customer Positioning, and Market Makers' Hedge Reaction Function for today's 0DTE -- negative Gamma unleashes outsized Charm -- a sequential selling set up! Robert P. Balan 17 Nov 2025 — 2 min read
Jan 9: SCOTUS declined to make a ruling; hedges repositioned, making new provisional resistance at 6950 - 6985