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volatility spike

Oct 18 2026

OPEX Week Shatters Market Calm

Vol Sellers Forced to Cover as VIX Breaks 20 On Friday, the market’s calm broke heading into the October monthly options expiration. The S&P 500 dropped over 1% on the day while the VIX jumped to close at 20 — the highest level in nearly three months. Options traders spent Friday scrambling for protection, marking […]

Written by Sherry An · Categorized: Market Analysis, SpotGamma Weekly · Tagged: dealer gamma, implied volatility, MAGS puts, October OPEX, options positioning, options skew, put/call ratio, QQQ puts, spotgamma weekly, SPX put skew, VIX calls, volatility spike, VVIX

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