Pre Market · Friday, August 21, 2026 · Market Closed

Monthly OpEx pins SPY at 760–770 but IWM already testing call wall

SPY 766.47 +0.51%
QQQ 716.20 +0.74%
IWM 300.17 +0.84%
NVDA 217.88 +0.48%
TSLA 349.76 +1.34%
AAPL 312.22 +0.30%
MSFT 482.47 +0.27%
GLD 419.79 +1.09%
SLV 62.68 +1.65%
/CL 86.79
/HG 6.60
VIX 15.43 -0.32%
VVIX 89.86
15 min delayed
GAMMA BRIEF AI Generated 2026-08-21

Stocks are opening Friday with a gap higher across the board — SPY is up +0.51%, QQQ +0.74%, and IWM +0.84% versus Thursday's close — heading into monthly options expiration. The setup is complicated: gold is surging +1.09% while the breadth tape is nearly empty (NYSE advancers: 34 vs 1,816 decliners), and all three major ETFs are sitting below their overnight VWAPs with bearish EMA structures intact.

Monthly expiration means the gravitational pull of max pain is real today. SPY's max pain sits at 760, well below the current pre-market print of 766.47 — and SPY's net GEX is deeply negative at -$12.82B, meaning dealers are short gamma and moves in either direction can be amplified rather than dampened. IWM is the wildcard: it's already trading above its 300 call wall, a level that historically acts as a ceiling on expiration days. The question for today isn't whether there's pinning force — there clearly is — it's whether the gap-up survives contact with those structural levels.

Full analysis is for subscribers

Start Free Trial View pricing →
GEX Walls — Options Positioning
SPX BEARISH
Call Wall 7650
Put Wall 7600
Max Pain 7600
Net GEX $71.2B
SPY BEARISH
Call Wall 770
Put Wall 760
Max Pain 760
Net GEX $12.8B
QQQ BEARISH
Call Wall 720
Put Wall 710
Max Pain 707
Net GEX $5.6B
IWM BEARISH
Call Wall 300
Put Wall 295
Max Pain 295
Net GEX $2.4B
ⓘ 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.
Got it, don't show again

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

Stock GEX — Extended
🔒

GEX walls for NVDA, TSLA, AAPL, MSFT, AMZN — Pro subscribers

Upgrade to Pro →
Unusual Options Activity
🔒

Unusual flow analysis for subscribers

Start free trial →
Facts — Draw Your Own Conclusions
DETERMINISTIC: SPY cash open gap: +3.87 pts (+0.51%) vs Thursday RTH close of ~762.60; pre-market last 766.47.
DETERMINISTIC: SPY net GEX: -$12.82B — negative gamma regime; call wall 770, put wall 760, max pain 760.
DETERMINISTIC: QQQ net GEX: -$5.58B; call wall 720, put wall 710, max pain 707; pre-market last 716.20.
DETERMINISTIC: IWM net GEX: -$2.39B; call wall 300, put wall 295, max pain 295; IWM pre-market last 300.17 — above call wall.
DETERMINISTIC: IWM trend bias score -54, confidence 77% bearish — drivers: below VWAP (297.96), bear EMA (5m+15m), lower-high/lower-low price structure.
DETERMINISTIC: SPY 0DTE volume at 69.5% of total — elevated same-day gamma effects near key strikes on monthly expiration day.
DETERMINISTIC: NYSE A/D ratio 0.02 (34 advancers vs 1,816 decliners) — extremely narrow tape; TRIN 0.74.
SYNTHESIS: GLD +1.09% and SPY +0.51% both rising pre-market while NYSE breadth is nearly flat (34 advancers vs 1,816 decliners) — macro lift exists but equity tape quality does not confirm broad risk-on participation.

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

Key Themes
Monthly OpEx max pain gravity (760 SPY / 295 IWM)IWM call wall breach — highest-conviction fadeNegative GEX across all three ETFs — amplified moves likelyBreadth collapse vs gap-up price — tape quality divergence

Join the GammaBrief Community

Trade ideas, live flow alerts, and member discussion.

Join Discord →
Directional Calls
SPY BEARISH
QQQ BEARISH
IWM BEARISH

Get this in your inbox

Pre-market, midday, and post-market briefings before you need them.

Start Free Trial

No credit card required

Recommended Brokers
tastytrade
TT
tastytrade
Commission-free options · Get $100
Get $100 →
Tradier
TR
Tradier
Flat-fee trading + API · 3mo free
Open →
Today's Editions
Pre-Market 09:00 ET
Midday 12:30 ET
Post-Market 16:30 ET
Mag 7
AAPL
312.22 +0.30%
MSFT
482.47 +0.27%
NVDA
217.88 +0.47%
AMZN
261.61 +0.58%
GOOG
340.64 +0.72%
META
547.12 +0.24%
TSLA
349.76 +1.34%
Commodities
Gold (GLD)
419.79 +1.09%
Silver (SLV)
62.68 +1.65%
Crude Oil (/CL)
86.79 +0.00%
Copper (/HG)
6.60 +0.00%
Today's Headlines
Short-Term Breadth Breaks Down as Major ETFs Lose EMA SupportChartMillEOS: Looking To Explain Weaker Results, Still A 'Buy'SeekingAlphaAre We Witnessing The Policies Of Desperation?SeekingAlphaMargin Debt Falls 5.7% In JulySeekingAlphaHedging Exposure In This Volatile MarketSeekingAlphaQUICK SPARK: Dow Falls 700 Points, Nasdaq Drops 1% As Yields Rise AgainBenzinga