SPY gaps above call wall into negative gamma — bulls face overhead resistance at 765

GAMMA BRIEF AI Generated 2026-08-25

Tuesday opens with a surprise: SPY is gapping up +0.39% to 766.46, punching through yesterday's call wall at 765 before the cash session even begins. QQQ is the stronger mover, gapping up +0.82% to 712.13, already trading above its own 710 call wall.

The catch? All three major ETFs are sitting in negative gamma territory — meaning dealer hedging amplifies moves in either direction rather than dampening them. With no major economic events on the calendar today and a Jackson Hole policy collision between Warsh and Bessent generating headline risk, the gap-up open looks fragile without a catalyst to sustain it.

Dealer positioning shows a clear regime shift as options market makers adjust hedges across the curve. The put-call skew has compressed significantly, suggesting institutional players are reducing downside protection.

Watch the key level closely at open — it sits exactly at the intersection of the GEX zero line and overnight VWAP. A clean break above opens the path to the call wall; rejection sends us back toward the put wall.

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GEX Walls — Options Positioning

SPX BEARISH

Call Wall 7700

Put Wall 7650

Max Pain 7675

Net GEX $38.1B

SPY BEARISH

Call Wall 765

Put Wall 760

Max Pain 760

Net GEX $11.6B

QQQ CHOP

Call Wall 710

Put Wall 700

Max Pain 705

Net GEX $3.3B

IWM BEARISH

Call Wall 300

Put Wall 295

Max Pain 295

Net GEX $2.3B

ⓘ Trend Bias vs Directional Call

The badge shows momentum bias — where price sits relative to VWAP and moving averages right now. The brief's directional call weighs GEX structure, options flow, and macro signals, and may point the opposite direction when a rally runs into a call wall or flow turns bearish.

GEX walls are a snapshot from brief generation — not a live feed.

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GEX walls are price levels where dealers hedge aggressively. Price tends to gravitate toward Max Pain and stall near walls.

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Facts — Draw Your Own Conclusions

→DETERMINISTIC: SPY cash open gap: +2.99 pts (+0.39%) vs prior RTH close of ~763.47; pre-market last 766.46.

→DETERMINISTIC: QQQ cash open gap: +5.81 pts (+0.82%) vs prior RTH close of ~706.32; pre-market last 712.13.

→DETERMINISTIC: IWM cash open gap: +1.62 pts (+0.54%) vs prior RTH close of ~297.97; pre-market last 299.59.

→DETERMINISTIC: SPX net GEX: -$38.14B; SPY net GEX: -$11.62B; QQQ net GEX: -$3.31B; IWM net GEX: -$2.31B — all negative gamma.

→DETERMINISTIC: SPY pre-market last (766.46) is +1.46 above SPY call wall (765.0); QQQ pre-market last (712.13) is +2.13 above QQQ call wall (710.0); IWM pre-market last (299.59) is -0.41 below IWM call wall (300.0).

→DETERMINISTIC: IWM trend bias score -55, confidence 78% bearish; drivers: below VWAP (298.26), bearish EMA alignment (5m+15m), LH/LL price structure.

→DETERMINISTIC: /ES recent trajectory: -2.00 over 08:30–08:55 ET (6 bars, fading into open); /NQ recent trajectory: -4.25 over same window.

→SYNTHESIS: SPY and QQQ are gapping above their respective call walls (766.46 vs 765.0; 712.13 vs 710.0) but both sit in confirmed negative gamma regimes (SPY GEX -$11.62B, SPX GEX -$38.14B) with fading futures trajectories — the gap structure is bullish on price but the gamma and momentum signals argue for gap-fill risk rather than continuation.

Objective data only. No interpretation. Form your own view.

Key Themes

Gap above call walls in negative gamma — fade risk elevatedIWM bearish alignment — weakest setup for bullsJackson Hole Warsh/Bessent policy clash — macro headline riskNVDA pre-market strength supporting QQQ relative resilience

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Directional Calls

SPY BEARISH

QQQ NEUTRAL

IWM BEARISH