NVDA Earnings Tonight, FOMC Minutes at 14:00 — Negative GEX Amplifies Any Catalyst Break

GAMMA BRIEF AI Generated 2026-05-20

Equity futures ground higher overnight but stalled near resistance: /ES hit a globex high of 7415.25 before fading back to 7401.75 flat, while SPY pre-market settled at $736.53 — just pennies below yesterday's regular-session high of $737.65. The overnight tone is constructive but not decisive, and the real action comes later: FOMC Minutes at 14:00 ET and NVDA earnings after the close represent two sequential binary events that could set the directional tone for the rest of the week.

The options structure adds urgency. SPY, QQQ, and IWM all carry deeply negative net GEX readings ($-8.84B, $-2.93B, $-3.82B), meaning dealer hedging amplifies moves rather than absorbs them. With 0DTE flow at 71.8% of SPY volume and VIX at 17.93, the surface calm masks a tape that can accelerate sharply through either the 740 call wall or the 730 put wall once a catalyst fires.

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 —

Call Wall 7400

Put Wall 7350

Max Pain 7320

Net GEX $28.4B

SPY NEUTRAL

Call Wall 740

Put Wall 730

Max Pain 725

Net GEX $8.8B

QQQ NEUTRAL

Call Wall 710

Put Wall 700

Max Pain 684

Net GEX $2.9B

IWM NEUTRAL

Call Wall 280

Put Wall 270

Max Pain 275

Net GEX $3.8B

ⓘ 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 $-8.84B, QQQ net GEX $-2.93B, IWM net GEX $-3.82B, SPX net GEX $-28.35B — all negative gamma regime across the board.

→DETERMINISTIC: /ES globex range 7354.50 low to 7415.25 high, last 7401.75 flat. SPY pm_last $736.53 (+0.30%), pm_high $737.72, prior RTH high $737.65.

→DETERMINISTIC: IWM GEX max pain 275.00; IWM pm_last $274.66 — price within $0.34 of max pain, closest alignment of the three ETFs.

→DETERMINISTIC: NVDA pre-market +1.04% at $223.86 vs prior RTH high $224.48. NVDA earnings AMC, consensus EPS estimate $1.7927.

→DETERMINISTIC: SPY 0DTE flow at 71.8% of volume. VIX 17.93 (-0.28%), VVIX 94.61 flat. No UOA above $50M threshold flagged today.

→DETERMINISTIC: /CL pre-market $101.88, below prior RTH range $102.64–$104.84. EIA crude draw estimate -2.9M barrels at 10:30 ET. FOMC Minutes 14:00 ET.

→SYNTHESIS: SPY pre-market tone is constructive (+0.30%, pm_last $736.53) and NVDA is bid (+1.04%), yet SPY net GEX of $-8.84B means any reversal on FOMC Minutes or NVDA disappointment will be dealer-amplified — the bullish overnight lean and negative GEX acceleration risk are in direct tension going into two sequential binary catalysts.

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

Key Themes

NVDA earnings AMC with pre-market bid — QQQ call wall 710 in playFOMC Minutes 14:00 ET — primary intraday vol catalyst, no UOA pre-positioning detectedNegative GEX across SPY/QQQ/IWM — dealer amplification risk on any catalyst breakIWM max pain pin at 275 — only mechanical anchor in today's GEX structure

Directional Calls

SPY BULLISH

QQQ BULLISH

IWM RANGE-BOUND