(Update): From FOMC to OpEx: How Institutional Flows Revealed the Playbook in Real Time Robert P. Balan 19 Mar 2026 — 5 min read Share
July 17 Update 2: Both platforms still show the Green Zone above current price (7500–7525) as the area with the strongest dealer exposure, pin priority
July 17 OpEx Day Update 1: 7520 strike shows strongest confluence across platforms -- large positive DEX, positive GEX, positive VEX, and large positive CEX
Customer Flow Intelligence: How Market Makers Are Likely to Hedge; What It Means for SPX Over Today's OpEx, And The Next Two Weeks