SPX 0DTE NY Open — 20 Oct 2026 : open dipped and then turned into call buying
The open dipped, then rallied 27 points from 9:30. The book moved up with it. 7730 is now the largest hold by far. Zone 7700–7715, target 7730.
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SPX 0DTE NY AM — 20 Oct 2026
The rally carried price into the middle of a new 7730–7750 zone. Call buying leads across the market, but the SPX book has turned to put buying.
SPX 0DTE Pre-NY Open Update — 20 Oct 2026
Overnight flow turned call-led after 07:00 ET, but holds below grew and holds above shrank. Print sits mid-zone between 7680 and 7700.
SPX 0DTE Pre-NY Open — 20 Oct 2026
Overnight positioning is put-led. The largest hold sits at 7700, 10 points above the current print. Open new positioning is unpredictable.