Sellers Grip SPY and IWM While QQQ Clings to Its Call Wall

GAMMA BRIEF AI Generated 2026-08-31

Monday's session opened with a gap-down and has stayed under pressure, with SPY trading -0.45% on the day and IWM shedding -0.85% — small caps now sitting below their 0DTE max pain level of 295. The macro backdrop hasn't softened: a September Fed rate hike is increasingly being treated as base case following Warsh's Jackson Hole remarks and Sunday's U.S.-Iran strike, and VIX is up +5.13% to 15.17 while SPY absorbs selling pressure just above its put wall.

The one exception is QQQ, where a massive 0DTE SPX call block ($330M at 6300) printed at 10:40 ET alongside TSLA's $63M 0DTE call sweep at the open, and QQQ itself has been oscillating directly around its 715 call wall all session. Tech is showing relative strength — NVDA is green +1.25%, TSLA is ripping +4.69% — but SPY and IWM have not followed. The divergence is the story heading into the afternoon.

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 CHOP

Call Wall 7700

Put Wall 7650

Max Pain 7655

Net GEX +$7.4B

SPY CHOP

Call Wall 775

Put Wall 765

Max Pain 760

Net GEX $2.0B

QQQ BULLISH

Call Wall 715

Put Wall 700

Max Pain 707

Net GEX $2.5B

IWM CHOP

Call Wall 300

Put Wall 290

Max Pain 295

Net GEX $4.2B

ⓘ 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.

Stock GEX — Extended

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Unusual Options Activity

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Facts — Draw Your Own Conclusions

→DETERMINISTIC: SPY net GEX: -$2.04B — negative gamma regime; call wall 775, put wall 765, max pain 760.

→DETERMINISTIC: QQQ net GEX: -$2.47B — negative gamma regime; call wall 715, max pain 707. Session high of 716.13 briefly exceeded call wall.

→DETERMINISTIC: IWM net GEX: -$4.19B — most negative of the three; put wall 290, max pain 295. IWM last 293.24 is -1.76 below max pain.

→DETERMINISTIC: VIX 15.17 (+5.13%) — regime NORMAL; VVIX 88.17 (+1.78%). SPY/VIX inverse correlation confirmed (SPY -0.45%, VIX +5.13%).

→DETERMINISTIC: TSLA 0DTE call sweep at 360 strike — $63M premium, vol/OI 17.0x, sentiment: bullish_bet. Printed 09:32 ET. TSLA last 365.12 (+4.69%).

→DETERMINISTIC: SPX put block at 8000 strike (2026-09-18 expiry) — $152M premium, vol/OI 0.0x, sentiment: bearish_bet_or_hedge. Printed 10:27 ET.

→DETERMINISTIC: SPY 0DTE volume at 73.5% of total — elevated pin risk near 765 put wall and 760 max pain.

→SYNTHESIS: QQQ carries BULLISH trend bias (score +37, 52% confidence, above VWAP 714.43) while SPY sits in CHOP below VWAP 766.29 and IWM in CHOP below VWAP 293.70 — intra-index divergence is the dominant structural signal; QQQ flow (TSLA sweep, SPX call blocks) is not translating into broad tape strength.

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

Key Themes

QQQ/SPY intra-index divergence — tech holding call wall while broad market stays under pressure0DTE pin mechanics — SPY 765 put wall and 760 max pain as afternoon gravitational targetsFed rate-hike repricing + Iran risk premium — macro headwinds sustaining negative sentimentTSLA 0DTE call sweep + SPX call blocks vs. SPX put block hedge — conflicting large-flow signals

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Directional Calls

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