Wednesday opens with SPY essentially flat — a mere -0.04% gap versus yesterday's close — while QQQ slips -0.28% in pre-market, fading hard from its overnight highs. With 71.6% of SPY's 0DTE volume concentrated near the 761 max pain level, the gravitational pull of the options market is already visible before the first print.
Under the hood, the signals are diverging. QQQ's trend model reads bullish, yet Nasdaq futures (/NQ) are sitting at just 12% of their overnight range — nearly at the session low after dropping 53 points in the final 25 minutes before the open. IWM, meanwhile, is perched just above its 290 put wall with a bearish trend bias. Today's 0DTE expirations on SPY, QQQ, and SPX add a structural pinning force that cuts both ways: limited range or a sharp break if any wall gives.
GEX walls are price levels where dealers hedge aggressively. Price tends to gravitate toward Max Pain and stall near walls.
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