NoVo Analyst · Pre-Market Primer

BOTTOM LINE: A short-gamma regime in SPY leaves the broader index complex exposed to extended downside momentum as sticky macro inflation pressures meet a defensive dealer posture. THE SETUP Equities open the post-Labor Day session taking on water following last Friday's August nonfarm payrolls report, which printed a hotter-than-expected 162,000 jobs beat and reinforced expectations of a restrictive Federal Reserve monetary posture. Price action faces additional macro friction as rising crude oil prices—fueled by Middle East supply disruptions—and newly active Canadian retaliatory tariffs combine to heighten stagflation concerns ahead of this week's PPI and CPI inflation prints. Overnight index futures reclaimed local VWAP, but the broader tape remains vulnerable to fast liquidity sweeps if opening supply tests pre-market lows. DEALER POSITIONING Market maker positioning reflects a stark structural split across the complex. SPY sits trapped in a negative dealer gamma regime (-$0.5B), meaning market makers act as volatility accelerants—mechanically shorting into price weakness and buying into strength, which expands execution ranges and drives trend continuation. Conversely, QQQ and IWM sit in positive dealer gamma postures, where dealers act as volatility buffers that absorb directional order flow and pull price back toward internal magnets. Across the options book, the public chain retains a mild positive delta bias alongside elevated put demand in tech, signaling active downside hedging before Thursday's macro data. LEVELS TO WATCH For SPY ($769.32), buyers must clear and hold the $770.33 after-hours high and reclaim the $772.11 gamma flip to neutralize dealer short-gamma selling and shift the tape back toward Friday's high at $772.87. A failure to defend local pre-market support at $769.24 invites accelerated downside hedging toward $766.73, with a break opening a path to lower liquidity targets. For QQQ ($721.17) and IWM ($295.56), preserving local baseline support is required to keep their dampening structures intact; losing those baselines flips dealer hedging into an accelerating force. DEALER POSITIONING MAP · SPY / QQQ / IWM Vol environment: VIX 15.4 — 14th percentile of the past year (very low vol). SPY $769.32 Net GEX: -$519M · negative — dealers amplify moves (moves extend) Gamma Flip: $772.11 Gravity (magnet): $767.06 Call Wall: $775.00 Put Wall: $768.00 Historically (this setup): resolved down 55% of the next hour · median -0.016% · n=472 across 7 sessions Same structure, next SESSION: resolved down 51% · median +0.000% · n=37 sessions (reconstructed, 2008 on) Expected move: ±$10.65 (±1.4%) today · ±$23.82 (±3.1%) this week Put/Call skew: +3.7 vol pts · puts bid — downside hedging demand MM skew · 0DTE +3.7 / next +2.4 vol pts · 0DTE fear building vs the next expiry ATM IV: 22.0% Off-exchange short volume: 58.0% · 69th pct of 120d · typical QQQ $721.16 Net GEX: +$173M · positive — dealers dampen moves (grind / mean-revert) Gamma Flip: $720.97 Gravity (magnet): $718.82 Call Wall: $722.00 Put Wall: $714.00 Historically (this setup): resolved up 50% of the next hour · median +0.001% · n=256 across 6 sessions Same structure, next SESSION: resolved up 59% · median +0.112% · n=357 sessions (reconstructed, 2008 on) Expected move: ±$3.83 (±0.5%) today · ±$20.36 (±2.8%) this week Put/Call skew: +1.9 vol pts · puts bid — downside hedging demand MM skew · 0DTE +1.9 / next +2.4 vol pts · 0DTE complacency vs the next expiry ATM IV: 8.4% Off-exchange short volume: 59.7% · 36th pct of 120d · typical IWM $295.56 Net GEX: +$231M · positive — dealers dampen moves (grind / mean-revert) Gamma Flip: $294.95 Gravity (magnet): $296.64 Call Wall: $297.00 Put Wall: $294.00 Historically (this setup): resolved down 61% of the next hour · median -0.033% · n=234 across 5 sessions Same structure, next SESSION: resolved down 51% · median +0.000% · n=199 sessions (reconstructed, 2008 on) Expected move: ±$1.58 (±0.5%) today · ±$7.62 (±2.6%) this week Put/Call skew: +1.2 vol pts · roughly balanced MM skew · 0DTE +1.2 / next +1.6 vol pts · 0DTE complacency vs the next expiry ATM IV: 8.5% Off-exchange short volume: 53.5% · 15th pct of 120d · lighter than usual Gamma Flip = where dealer hedging flips from dampening to amplifying moves. Call/Put Walls = the largest call/put gamma strikes (pin / resistance above, support below). Expected move = the ±1σ range priced into at-the-money options. Public options data. FLOW DYNAMICS Charm — in a negative-gamma regime, decay doesn't pin; moves can extend into the close. Vanna — with dealers short gamma, a drop in vol would ease the amplification and let the tape settle. Second-order dealer flow context.