NoVo Analyst · Pre-Market Primer

BOTTOM LINE: Index futures enter the cash open in an overnight rollover posture, leaving spot prices vulnerable to momentum extension until key gamma-flip thresholds are reclaimed. THE SETUP The equity complex faces immediate structural pressure as overnight futures distribution reversed early London gains, drifting price below session VWAP and testing PML liquidity. Macro conditions are attempting to stabilize, supported by WTI crude easing back under $100 per barrel and the Bank of Japan delivering a expected 25-basis-point rate hike to 1.25%. However, today's major "Triple Witching" quarterly derivatives expiration—with trillions in options and futures expiring—introduces heavy mechanical rebalancing that can amplify intraday sweeps across the open. DEALER POSITIONING Dealer posture shows a divided structural map across the index complex. SPY and IWM operate in a negative GEX regime beneath their respective gamma-flip boundaries, forcing market makers to sell into weakness and buy into strength—a mechanical posture that accelerates directional price moves rather than dampening them. Conversely, QQQ exhibits higher structural stability with dealer positioning acting as a shock absorber to curb downside velocity. Across the chain, options flow maintains a net-long delta bias alongside heavy daily theta decay, putting severe time-value decay on static directional contracts that fail to achieve immediate speed. LEVELS TO WATCH On SPY ($760.42), immediate downside risk tests the pre-market low of $760.05 and the prior-day low of $759.96; a sustained 15-minute breakdown beneath $759.96 exposes structural put-wall gravity down at $755.00. To the upside, bulls must clear and hold the prior-day high at $763.57 and the pre-market high at $763.78 to flip dealer hedging back into a positive, volatility-dampening regime above $762.93. For QQQ ($718.07) and IWM ($284.48), watch whether morning price action can reclaim their respective flip thresholds to prevent dealer-driven momentum amplification from expanding. EVENT PLAYBOOK — Quad-witching (quarterly OPEX) A large tranche of options gamma expires at today's 4:00pm close. Expect the current gamma pins to hold into the print, then LOOSEN as that gamma rolls off — the dealer map resets for next week, and moves that were being dampened can free up afterward. The pins into the close: Call Wall $762.00 / Put Wall $755.00. Today's expected move: ±$12.04 (±1.6%). Positioning context. DEALER POSITIONING MAP · SPY / QQQ / IWM Vol environment: VIX 15.4 — 14th percentile of the past year (very low vol). SPY $760.44 Net GEX: -$2.7B · negative — dealers amplify moves (moves extend) Gamma Flip: $762.93 Gravity (magnet): $755.19 Call Wall: $762.00 Put Wall: $755.00 Historically (this setup): resolved down 62% of the next hour · median -0.037% · n=444 across 9 sessions Same structure, next SESSION: resolved down 51% · median -0.018% · n=53 sessions (reconstructed, 2008 on) Expected move: ±$12.02 (±1.6%) today · ±$26.88 (±3.5%) this week Put/Call skew: +16.4 vol pts · puts bid — downside hedging demand MM skew · 0DTE +16.4 / next +5.8 vol pts · 0DTE fear building vs the next expiry ATM IV: 25.1% Off-exchange short volume: 43.1% · 10th pct of 120d · lighter than usual QQQ $718.09 Net GEX: +$752M · positive — dealers dampen moves (grind / mean-revert) Gamma Flip: $716.74 Gravity (magnet): $717.96 Call Wall: $720.00 Put Wall: $715.00 Historically (this setup): resolved up 56% of the next hour · median +0.027% · n=468 across 8 sessions Same structure, next SESSION: resolved up 52% · median +0.038% · n=526 sessions (reconstructed, 2008 on) Expected move: ±$7.75 (±1.1%) today · ±$20.19 (±2.8%) this week Put/Call skew: +2.3 vol pts · puts bid — downside hedging demand MM skew · 0DTE +2.3 / next +2.6 vol pts · 0DTE complacency vs the next expiry ATM IV: 17.1% Off-exchange short volume: 50.7% · 8th pct of 120d · lighter than usual Scheduled event: COST reports after close on 2026-09-24 · widens the band, says nothing about direction IWM $284.48 Net GEX: -$3.7B · negative — dealers amplify moves (moves extend) Gamma Flip: $291.06 Gravity (magnet): $285.11 Call Wall: $290.00 Put Wall: $284.00 Historically (this setup): resolved down 67% of the next hour · median -0.064% · n=1708 across 15 sessions Same structure, next SESSION: resolved up 61% · median +0.279% · n=89 sessions (reconstructed, 2008 on) Expected move: ±$3.57 (±1.3%) today · ±$7.99 (±2.8%) this week Put/Call skew: +3.6 vol pts · puts bid — downside hedging demand MM skew · 0DTE +3.6 / next +2.9 vol pts · 0DTE fear building vs the next expiry ATM IV: 19.9% Off-exchange short volume: 41.7% · 1st 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 — a large gamma tranche expires at today's close, so dealer delta-hedging intensifies into it: the classic OPEX pin toward the nearest wall, which then releases afterward. Vanna — with dealers short gamma, a drop in vol would ease the amplification and let the tape settle. Second-order dealer flow context.