Once SPX falls below 6645, (not-too-large 8.14 (+) Gamma), it's clear falling down to 6600

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July 22 Update 3: SPX MVC now at 7520

July 22 Update 3: The SPX MVC has started to drift lower, as the large negative CEX starts to take its toll; PAM bails from 0DTE longs

July 22 Update 2: 7535–7550 Zone still the 0DTE target, but do not overstay 0DTE long positions

July 22 Update 1: SPX and SPX Most Valuable Contracts: 7535 and 749, respectively