Intraday reversal wipes early gains; massive 0DTE put flow confirms bearish bias into Fed meeting

GAMMA BRIEF AI Generated 2026-06-16

Tuesday looked like a bull day at the open — SPY tagged 755.35, kissing the 755 call wall — but sellers erased every cent of that gain by the close, leaving SPY at 749.92, essentially flat on the day but down more than five points from the high. QQQ told an even sharper story: it opened at 742.07, briefly cleared the 740 call wall with a session high of 744.21, then collapsed to close at 729.69 — a nearly 15-point round trip with no net gain.

The flow behind the reversal wasn't subtle. Over $750 million in 0DTE SPX put sweeps hit the tape at strikes clustered around 7530–7540, all classified as bearish bets. That's not hedging noise — that's directional conviction. With the Fed beginning its two-day policy meeting Wednesday, traders are not waiting to find out which way Warsh leans.

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 7600

Put Wall 7500

Max Pain 7135

Net GEX +$15.8B

SPY BEARISH

Call Wall 755

Put Wall 750

Max Pain 735

Net GEX +$0.1B

QQQ BEARISH

Call Wall 740

Put Wall 700

Max Pain 701

Net GEX $0.6B

IWM BEARISH

Call Wall 300

Put Wall 290

Max Pain 289

Net GEX $1.2B

ⓘ 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

→SPY net GEX: +$0.10B — near-flat positive gamma regime, minimal structural support above or below.

→QQQ net GEX: -$0.62B — negative gamma regime; directionally consistent with today's call-wall rejection.

→IWM net GEX: -$1.16B — most negative of the three; consistent with fade from open to near put wall.

→SPX 0DTE put sweeps at 7530, 7535, 7540 strikes — $259M, $238M, $268M premium respectively; vol/OI ratios 65–68x; sentiment: bearish_bet.

→SPY put sweep at 753 strike (0DTE) — $232M premium, vol/OI 100.2x; sentiment: bearish_bet.

→VIX closed at 16.41 (+1.23%); VVIX at 87.69 (+1.86%) — vol-of-vol rising, confirming genuine options demand.

→SPY 0DTE volume at 77.6% of total — elevated intraday gamma effects concentrated near key strikes.

→NYSE TRIN at 1.98 — elevated reading signals sell-side breadth pressure despite mildly positive A/D ratio of 1402/1288.

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

Key Themes

0DTE put sweep barrage — $765M+ bearish bets on SPX into Fed meetingCall wall rejection — SPY, QQQ both tagged walls intraday and reversed hardFed meeting catalyst risk — FOMC begins Wednesday, Warsh language is binary vol eventNegative GEX IWM/QQQ — negative gamma amplifies directional moves on a break

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Directional Calls

SPY BEARISH

QQQ NEUTRAL

IWM BEARISH