Today's Mixed Positioning Creates Range-Bound 0DTE Setup Ahead of September 19 OpEx Robert P. Balan 18 Sep 2025 — 1 min read
SPX Sits Below Massive Positive Gamma Resistance Wall at 6620-6640; line of least resistance is very soft support below 6600 all the way to 6545
Update (0DTE) No. 1 : If you are long SPX, exit trades ASAP (ideal=6755) -- ocean of negative Gamma morphed into lake of positive Gamma