0DTE Put Sweeps Called It: SPX Dropped 1.6%, All Straddles Blown Out

GAMMA BRIEF AI Generated 2026-11-02

Monday's session opened with a gap up and ended with a sustained fade that never recovered — SPX closed down more than 1.5% from its open as a cluster of bearish put sweeps totaling over $3 billion in premium at 09:02 ET proved directionally correct almost immediately. Every single intraday expected-move band was blown out by a wide margin, with SPX using 444% of its opening straddle and QQQ using 430% before the session ended.

The damage was not evenly distributed. QQQ shed 1.10% on the day as AAPL and MSFT fell 2.86% and 2.79% respectively, while IWM essentially flatlined and gold added another 1.61%. Heading into Tuesday, the options market is pricing a 0.92% expected move for SPX with the index sitting just below its new call wall at 7550 and net GEX deeply negative at -$61.76 billion — a structurally volatile environment where realized moves have already been running well beyond what options were pricing.

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 7550

Put Wall 7500

Max Pain 7675

Net GEX $61.8B

SPY BEARISH

Call Wall 760

Put Wall 750

Max Pain 765

Net GEX $10.6B

QQQ BEARISH

Call Wall 700

Put Wall 680

Max Pain 714

Net GEX $6.0B

IWM BEARISH

Call Wall 280

Put Wall 270

Max Pain 279

Net GEX $1.7B

ⓘ Trend Bias vs Directional Call

The badge shows momentum bias — where price sits relative to VWAP and moving averages right now. The brief's lean weighs GEX structure, options flow, and macro signals, and may point the opposite direction when flow or positioning disagrees with the tape.

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

→SPX net GEX: -$61.76B — negative gamma regime; call wall 7550.0, put wall 7500.0, max pain 7675.0.

→SPY net GEX: -$10.56B; call wall 760.0, put wall 750.0; SPY last 753.10 is +3.10 above put wall per pre-computed distances.

→QQQ net GEX: -$5.98B; call wall 700.0, put wall 680.0; QQQ last 682.90 is +2.90 above put wall per pre-computed distances.

→Five SPX 0DTE put sweeps at 09:02 ET — $830M (7600 strike), $586M (7620), $567M (7610), $541M (7625), $489M (7590) — all classified bearish_bet.

→VIX closed 21.15 (+0.05%), regime ELEVATED; VVIX closed 110.47 (+1.12%), flagged HIGH — tail risk building.

→Opening-confirmation straddles blown out across all four indices: SPX 444% of move used, QQQ 430%, SPY 349%, IWM 259% — all closed outside their opening bands.

→GLD +1.61% vs SPY -0.35% at close — flight-to-safety cross-asset signal active; AAPL -2.86% and MSFT -2.79% were the largest large-cap drags.

→IWM trend bias score: -44, confidence 62% — strongest bearish trend reading of the four indices despite IWM closing nearly flat on the day.

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

Key Themes

0DTE put sweep cluster — five SPX sweeps totaling over $3B at 09:02 ET proved directionally accurateStraddle blowout — all four indices used 171-444% of their opening expected-move bandsFlight to safety — GLD +1.61% while SPY -0.35%; AAPL and MSFT -2.86% and -2.79%Negative GEX regime — SPX net GEX -$61.76B with index sitting between call wall and put wall at the close

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Leans

SPY medium conviction BEARISH

SPY trend bias BEARISH, score -24, confidence 34%; EMA 9/21 bearish on 5m and 15m timeframes and below VWAP at 756.51.
Net GEX -$10.56B — negative gamma regime with SPY last sitting between call wall 760.0 and put wall 750.0.
SPY closed at 753.10 near session lows; 0DTE volume at 69.6% of flow with VIX elevated at 21.15 and VVIX at 110.47.

SPX medium conviction BEARISH

SPX trend bias BEARISH, score -20, confidence 28%; EMA 9/21 bearish on 5m and 15m timeframes.
Net GEX -$61.76B with SPX last 7541.40 between call wall 7550.0 and put wall 7500.0 — negative gamma regime in a structurally unstable zone.
0DTE put sweep cluster at 09:02 ET totaling over $3B proved directionally accurate; SPX session closed outside all straddle bands at 444% of opening move used.

QQQ medium conviction BEARISH

QQQ trend bias BEARISH, score -28, confidence 40%; below VWAP at 693.88 at close.
Net GEX -$5.98B; QQQ last 682.90 is only 2.90 above the 680.0 put wall — thin buffer in negative gamma per pre-computed distances.
AAPL -2.86% and MSFT -2.79% remain large-cap headwinds; QQQ used 430% of its opening straddle on the day.

IWM low conviction NEUTRAL

IWM closed essentially flat at +0.01% vs prior close, significantly outperforming SPY and QQQ despite the broad selloff.
IWM trend bias BEARISH at score -44 (62% confidence) conflicts with relative price strength — signals split.
IWM last 279.35 is +0.35 above max pain 279.0 with call wall at 280.0 just 0.65 above — tight positioning band with no clear directional edge.

Leans are context, not calls. The brief is graded on whether price stays inside its expected move.