NoVo Analyst · Pre-Market Primer

BOTTOM LINE: SPY opens in a fragile, range-bound posture where modest pre-market gains face heavy downside acceleration risk unless buyers reclaim $742.17. THE SETUP S&P 500 futures enter Friday trading tightly around session VWAP after overnight attempts to breach 7469.00 met sharp institutional distribution. Macro headwinds remain the primary driver, with crude oil hovering near $90 a barrel and the 10-year Treasury yield elevated near 4.70%—reigniting cost pressures ahead of next week's Federal Reserve interest rate decision. Expect an expansive, high-velocity session where early morning pushes are prone to sharp reversals if yield-driven selling resumes. DEALER POSITIONING Market makers open today in a negative-gamma regime with net GEX calculated at -$2.8B. In this posture, dealer hedging acts as a market accelerant rather than a shock absorber: dealers must sell into market weakness and buy into market strength, widening intraday trading ranges and extending price swings. The structural threshold where this behavior flips back to a volatility-suppressing posture sits overhead at the Gamma Flip level of $742.17. Across the broader options book, net delta remains tilted negative with elevated put demand keeping downside skew bid, ensuring tactical sellers remain active on upward tests. LEVELS TO WATCH For buyers to shift the intraday trajectory, price must secure a sustained push above the $742.17 Gamma Flip and clear yesterday's high of $742.56, which would begin neutralizing dealer selling mechanics and open a path toward the pre-market high at $740.84. Conversely, the neutral pre-market base breaks down if sellers force price below the pre-market low of $739.08 and yesterday's low at $735.21. A break under $735.21 engages negative-gamma dealer acceleration, threatening swift price discovery down toward gravity at $734.49 and the heavy put wall at $730.00. DEALER POSITIONING MAP · SPY / QQQ / SPX Vol environment: VIX 18.9 — 73th percentile of the past year (elevated vol). SPY $739.16 Net GEX: -$2.8B · negative — dealers amplify moves (moves extend) Gamma Flip: $742.17 Gravity (magnet): $734.49 Call Wall: $742.00 Put Wall: $730.00 Expected move: ±$7.98 (±1.1%) today · ±$19.67 (±2.7%) this week Put/Call skew: +3.7 vol pts · puts bid — downside hedging demand MM skew · 0DTE +3.7 / next +3.4 vol pts · 0DTE fear building vs the next expiry ATM IV: 17.1% QQQ $691.65 Net GEX: -$2.1B · negative — dealers amplify moves (moves extend) Gamma Flip: $698.90 Gravity (magnet): $684.91 Call Wall: $705.00 Put Wall: $685.00 Expected move: ±$13.27 (±1.9%) today · ±$29.68 (±4.3%) this week Put/Call skew: +7.5 vol pts · puts bid — downside hedging demand MM skew · 0DTE +7.5 / next +5.8 vol pts · 0DTE fear building vs the next expiry ATM IV: 30.5% SPX $7,420.16 Net GEX: -$18.0B · negative — dealers amplify moves (moves extend) Gamma Flip: $7,456.13 Gravity (magnet): $7,360.83 Call Wall: $7,500.00 Put Wall: $7,300.00 Expected move: ±$77.97 (±1.1%) today · ±$197.44 (±2.7%) this week Put/Call skew: +4.2 vol pts · puts bid — downside hedging demand MM skew · 0DTE +4.2 / next +3.5 vol pts · 0DTE fear building vs the next expiry ATM IV: 16.7% 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 — analysis, not signals. 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, not a signal.