NoVo Analyst · Closing Bell Synopsis

BOTTOM LINE: The SPY sustained a clear tactical bullish bias today as a second consecutive day of cooler-than-expected inflation data drove short covering and pinned the index above key intraday support. THE RECAP The SPY gained 0.34% on the day to close at $754.50, establishing price acceptance above its volume-weighted average price (VWAP) and yesterday's high of $753.34. This positive trend was catalyzed by the June Producer Price Index (PPI) falling 0.3% month-over-month, which brought the year-over-year wholesale rate down to 5.5% and reinforced yesterday's soft consumer inflation print. Despite early volatility, buyers stepped in during a deep liquidity sweep to reclaim the opening range breakdown low of $754.18, transitioning the late session into a steady, bullish grind. DEALER POSITIONING The options market closed the session in a supportive positive gamma regime, with net GEX calculated at +$2.3B. In this environment, market makers mechanically buy intraday weakness and sell strength, a process that dampens overall volatility and acts as a stabilizing buffer for the index. The critical structural pivot is the Zero-Gamma flip level at $749.28; as long as price remains above this threshold, dealer positioning will actively insulate the tape against sharp downside moves. Under the hood, the standing options book maintains a net-long delta posture of approximately +4.2M delta-equivalents, facing a daily theta decay headwind of $8.7M and a call-skewed volatility posture of +0.2M vega per vol-point. TOMORROW'S SETUP For buyers to maintain this expansionary momentum, they must establish clear acceptance above the major call wall at $760.00, which would open a path toward higher-tier liquidity pools. Conversely, a failure to hold the gravity level of $754.17 on the morning open will signal a near-term exhaustion of buying pressure. If sellers drive the index back below the opening range breakdown low of $754.18 and breach the major put wall at $750.00, it exposes the Zero-Gamma flip level of $749.28, where dealer hedging behavior would shift from dampening to actively accelerating downside market moves. DEALER POSITIONING MAP · SPY / QQQ / SPX Vol environment: VIX 15.7 — 19th percentile of the past year (low vol). SPY $754.38 Net GEX: +$2.3B · positive — dealers dampen moves (grind / mean-revert) Zero-Gamma (flip): $749.28 Gravity (magnet): $754.17 Call Wall: $760.00 Put Wall: $750.00 Expected move: ±$5.18 (±0.7%) today · ±$16.63 (±2.2%) this week Put/Call skew: +3.0 vol pts · puts bid — downside hedging demand MM skew · fast +3.0 / slow +3.0 vol pts · term structure flat ATM IV: 10.9% QQQ $717.68 Net GEX: -$1.3B · negative — dealers amplify moves (moves extend) Zero-Gamma (flip): $722.80 Gravity (magnet): $711.01 Call Wall: $725.00 Put Wall: $715.00 Expected move: ±$9.99 (±1.4%) today · ±$25.86 (±3.6%) this week Put/Call skew: +7.2 vol pts · puts bid — downside hedging demand MM skew · fast +7.2 / slow +5.4 vol pts · near-term fear building vs the baseline ATM IV: 22.1% SPX $7,565.74 Net GEX: +$23.2B · positive — dealers dampen moves (grind / mean-revert) Zero-Gamma (flip): $7,514.00 Gravity (magnet): $7,571.02 Call Wall: $7,600.00 Put Wall: $7,530.00 Expected move: ±$50.92 (±0.7%) today · ±$166.78 (±2.2%) this week Put/Call skew: +2.6 vol pts · puts bid — downside hedging demand MM skew · fast +2.6 / slow +3.1 vol pts · near-term complacency vs the baseline ATM IV: 10.7% Zero-Gamma = 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 — as today's options decay, dealer delta drifts toward the walls: a mild pull into the close (the pin). Vanna — vol is low and dealers are long gamma; a VIX spike would flip them toward selling into weakness (amplifying) — the risk that changes the map. Second-order dealer flow — context, not a signal.