Gamma Exposure — $SPX

Dealer positioning · flip, walls & regime
SRSikuli Research
Updated September 4, 2026, 3:55 PM ET
▲ POSITIVE GAMMA Positive gamma — spot above the 7690 flip
Moves dampened; walls act as pins / magnets.
Net GEX +27B → +20BSpot -10 ptsspot 7718.45 · band ±10% · 2026-09-04 19:55Z
Net GEX (all strikes)
+19.78 B$
per 1% move
Gamma flip (zero-γ)
7690
spot above → positive
Call wall (max +GEX)
7800
upside magnet
Put wall (max −GEX)
7500
downside rail
Short-dated γ
0-1DTE 27%
≤7d 42% · front-loaded
Liquidity / fragility
DEEP
VIX term structure gauge
VIX / VIX3M
14.38 / 17.57
term 0.818

GEX by strike — M$/1% (band ±10%)

Worth noting. Net GEX moved -8B to +19.8B — the positive cushion is thinning.

Into the close

MOC imbalance: NYSE prints ~3:50 ET · Nasdaq 3:55–4:00 ET

Vol-control flow (estimate)

Realized vol (20d/60d blend): 0.0% · last session +0.00% · AUM $215B | target 10% | max 2.0x | cadence d/w/m 35/30/35%
1d % chgEst flow $bn
-3.0%-54.26
-2.0%-27.80
-1.0%-2.93
+0.0%+8.30
+1.0%-2.35
+2.0%-26.13
+3.0%-51.36
From a -2% dayCumulative $bn
day 1-11.86
day 5-20.39
day 10-22.71
day 21-27.80
Estimate — trust the shape and day-over-day change, not the absolute level.
Automated Gamma Tool · Sikuli Research · for research & educational use only — not financial advice. Estimates derived from listed SPX options data; verify levels against your own feed.