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S&P 500 Stock Market Gamma Trading Levels Based on Options Open Interest

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volatility

Sep 02 2026

Broadcom is the Next AI Focused Catalyst

AVGO dealer side gamma heatmap showing price levels and calendar dates with peak gamma at $318 on 2026-09-17.

Fundamentals Broadcom (AVGO) is the most important remaining AI hardware earnings report of the week, providing investors with a different read on AI spending compared to Nvidia. Nvidia tells us about demand for general-purpose GPUs, while Broadcom tells us about custom AI accelerators, networking, hyperscaler silicon programs, and the increasingly competitive threat to Nvidia from […]

Written by SpotGamma · Categorized: Market Analysis · Tagged: AVGO, call skew, dealer gamma, diagonal spread, earnings, gamma, volatility

Aug 27 2026

Jackson Hole 2026: What the Options Market Expects

SPX term structure chart showing implied volatility from August to October 2026, with Fed Press Conference event marked on September 16.

SPY forward IV prices Jackson Hole as a non-event, but CTAs are stretched short Treasuries and SPX gamma flips near 7780 — an asymmetric setup into Friday.

Written by SpotGamma · Categorized: Market Analysis · Tagged: bonds, FOMC, gamma, GLD, GOLD, interest rates, negative gamma, OPEX, SPX, TLT, volatility

Aug 25 2026

NVDA Earnings: The Options Market May Be Underpricing This Move

Earnings impact chart showing NVDA stock moved 5.17% on 08-26, with other earnings moves plotted across dates 08-25 to 08-27.

NVDA reports Wednesday after the close with the options market pricing a 5.5% move — below its 7.4% average realized move over the last 12 quarters. Dealers are short gamma above $220, call skew sits at the 81st percentile, and a distorted term structure opens up a calendar spread setup.

Written by SpotGamma · Categorized: Market Analysis · Tagged: call calendar, dealer gamma, Implied Move, NVDA, SpotGamma blog, volatility

May 10 2026

The AI Trade Roars — But for How Long?

SPX term structure chart showing implied volatility curves from May to July 2026 with two circled peaks.

Last week, strong earnings pushed both the S&P 500 and Nasdaq to — once again — achieve all-time highs. Through the fast and furious AI-driven rally of the past 6 weeks, SPX has climbed 15% while NDX has surged 28%. The market’s pace of advance is well beyond historical norms, reflecting an exceptionally aggressive repositioning […]

Written by Sherry An · Categorized: Market Analysis, SpotGamma Weekly · Tagged: 0DTE options, call options, dealer gamma, dealer hedging, earnings, Gamma Exposure, implied vol, market makers, May OPEX 2026, options market analysis, semiconductor stocks, spotgamma weekly, SPX options, VIX expiration, volatility

May 03 2026

Quiet Indices, Roaring Stocks: the Volatility Dispersion Trade

Four-quadrant scatter plot comparing IV rank and volatility levels across stocks and indices, with AMD, NVDA, and QQQ highlighted.

Robust Mag7 and semiconductor earnings have reinforced investor confidence in the AI trade, lifting the S&P 500 and Nasdaq to fresh highs. Index implied volatility (IV) — the options market’s expectation of future price movement — reset to its lowest level in three months. Despite the backdrop of the Iran conflict and heightened oil prices, […]

Written by Sherry An · Categorized: Market Analysis, SpotGamma Weekly · Tagged: 0DTE options, call options, dealer gamma, implied vol, iron condor, options flow, semiconductor stocks, spotgamma weekly, SPX options, unusual options activity, volatility, volatility dispersion

Apr 26 2026

How next week’s earnings could drive volatility

SPX implied volatility chart showing FIV at 22% and IV at 15% from late April through late July 2026.

Markets pushed to fresh all-time highs this week, driven by continued strength in AI stocks. One of the notable stores was SMH (the semiconductor ETF) which surged over 30% this month to cap 168% gain in the past year. While euphoric spirits have recently prevailed, next week brings an event-heavy calendar that might shift the […]

Written by Sherry An · Categorized: Market Analysis, SpotGamma Weekly · Tagged: call buying, call options, Convexity, dealer gamma, earnings, geopolitical risk, implied vol, iv, MSFT, rv, spotgamma weekly, SPX, volatility

Apr 19 2026

The Hidden Mechanics Behind Last Week’s Rally

Stacked area chart showing SPX call volume by expiration tenor from 2019 to 2026, with total volume reaching 2.43 million contracts.

The S&P 500 has bounced back to record highs, closing decisively above 7,100 after Friday’s 1.2% rally. That marks a 12% rise from March lows in just under three weeks. In that same timeframe, volatility expectations have seemingly collapsed: VIX is down 40% since March 31, dropping from >30 to below 18. Crude oil has […]

Written by Simon Scholten · Categorized: Market Analysis, SpotGamma Weekly · Tagged: call buying, call options, dealer gamma, dealer positioning, geopolitical risk, implied vol, iv, OPEX, rv, spotgamma weekly, SPX, volatility

Apr 12 2026

Vol Crush Lifts the S&P 500 — Will the Rally Last?

SPX gamma chart showing positive gamma peak near 6820 and negative gamma regime below 7020.

Following last week’s ceasefire announcement, the S&P 500 lifted 3% from roughly 6,550 to 6,800. On the surface, this rally looked like a meaningful shift toward risk-on sentiment as implied volatility collapsed rapidly across all expirations. Similarly, VIX plummeted below 20 for the first time in four weeks, marking one of its largest single-day declines ever. Yet […]

Written by Simon Scholten · Categorized: Market Analysis, SpotGamma Weekly · Tagged: dealer gamma, dealer positioning, geopolitical risk, implied vol, iv, negative gamma, OPEX, spotgamma weekly, SPX, vanna, vol crush, volatility

Apr 05 2026

How One Key Level Drove Last Week’s Rally

SPX gamma exposure and net OI chart showing price movement with negative gamma spike and Iran headline event on Mar 31, 2026.

The S&P 500 bounced back 2% last week after scraping against 6-month lows. Mixed headlines on the Iran conflict explained much of this tug-of-war, yet markets are still holding their breath. For many traders, the rally felt counterintuitive: How can equities rally so furiously if geopolitical uncertainties remain unresolved? When looking at Tuesday’s major bounce in […]

Written by Simon Scholten · Categorized: Market Analysis, SpotGamma Weekly · Tagged: dealer gamma, dealer positioning, FOMC, geopolitical risk, implied vol, iv, JPM Collar, negative gamma, OPEX, put skew, realized vol, spotgamma weekly, SPX, trace, volatility

Mar 29 2026

The New Volatility Regime

SPX options gamma chart showing total gamma line and bar chart with JPM strike at 6475 marked.

Over the past several weeks, we have consistently highlighted the market’s growing fragility. From the negative gamma “trapdoor” to the destabilizing impact of geopolitical shocks, the message has been clear: this is no longer a range-bound market. Last week confirmed those warnings, as the S&P 500 is down nearly 9% from all-time highs. On Thursday and Friday, traders […]

Written by Simon Scholten · Categorized: Market Analysis, SpotGamma Weekly · Tagged: dealer gamma, dealer positioning, geopolitical risk, implied vol, iv, negative gamma, realized vol, spotgamma weekly, SPX, Synthetic OI, VIX, volatility

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