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

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Market Analysis

Oct 17 2025

From Calm to Chaos: Trading With Confidence Amidst Volatility

Friday’s massive selloff was a stark reminder of how markets can switch from calm to chaos at the drop of a hat. As volatility hit, the S&P 500 fell more than 1% in just a few minutes on October 10, closing the day down 2.7% in one of the sharpest single-day declines of the quarter. […]

Written by SpotGamma · Categorized: Market Analysis

Oct 12 2025

What Led to Friday’s Selloff?

An otherwise sleepy week awoke with a jolt on Friday, following China’s announcement of restrictions on the selling of rare-earth minerals and susbequent tariff threats. Within minutes, SPX dropped 80 points from 6,750 to 6,670 – well below our risk-off level at 6,700. The market closed down 2.7% for the day at 6,553. This sharp pullback was severe, […]

Written by Simon Scholten · Categorized: Market Analysis, SpotGamma Weekly

Oct 05 2025

Low Vol, Stubborn VIX, and a Market Full of Mixed Signals

Last week, SPX tested the key gamma levels at 6,640 and 6,750 we highlighted in Monday’s Founder’s Note, marking a new all-time high with a close 6,716. The impact of the government shutdown starting on October 1 seems to have barely registered. On Tuesday, the massive JPM Collar rolled from the 6,505 strike to a new […]

Written by Simon Scholten · Categorized: Market Analysis, SpotGamma Weekly

Sep 28 2025

Market Braces for the Specter of Volatility Into October

Last week, SPX tagged fresh all-time highs near the 6,700 Call Wall before surrendering gains in a series of controlled selloffs down to as low as 6,580, finally closing the week at 6,644. The “Stock Up, Vol Up” system flashed warning signs mentioned in last Wednesday’s AM Founder’s Note. This dynamic represents a fundamental breakdown in the normal […]

Written by Simon Scholten · Categorized: Market Analysis, SpotGamma Weekly

Sep 21 2025

S&P Remains Resilient – But For How Long?

The S&P 500 closed the week at 6,661, posting a 1% weekly gain as markets navigated through the highly anticipated FOMC. What made this week particularly noteworthy was the extreme complacency at its start: one-month realized volatility sat at a meager 8%, and implied volatility hit basement-level 5% for this past Monday. These are some of the […]

Written by Simon Scholten · Categorized: Market Analysis, SpotGamma Weekly

Sep 14 2025

Zombie Market Faces a Triple Witching OPEX

The S&P 500 delivered a grinding week, closing at 6,584 on Friday and up 1.3% from Monday’s open of 6,498. The 6,505 JPM Collar call acted as a critical pivot, where previous resistance turned into support. We shared our zombie market thesis in our Founder’s Note on Monday morning: current positive dealer gamma – driven by extremely short-dated options […]

Written by Simon Scholten · Categorized: Market Analysis, SpotGamma Weekly

Sep 07 2025

The Record-Setting 0DTE Showdown

The S&P 500 delivered a volatile week: Tuesday began with risk-off positioning and a negative gamma environment, evolving into Thursday’s explosive rally, finally culminating in Friday’s blowoff top. The result? SPX closed almost exactly where it started the week at 6,482. By Wednesday, 0DTE options hit a record-setting 70% of all options volume, keeping the market […]

Written by Simon Scholten · Categorized: Market Analysis, SpotGamma Weekly

Sep 01 2025

Low Volatility Keeps S&P 500 in a Fragile Calm

This week saw the zombie market resume with suppressed volatility and a broader market remaining constrained by positive gamma. SPX closed the week at 6,460, grinding slightly higher throughout the week before the rug was pulled on Friday. NVIDIA earnings on Wednesday served as the pivotal moment that shaped both volatility patterns and the broader […]

Written by Simon Scholten · Categorized: Market Analysis, SpotGamma Weekly

Aug 24 2025

The “Zombie Market” vs. NVDA Earnings

The sell-off last week exemplified a classic post-OPEX window of weakness, reinforced by Wednesday’s VIX expiration. With structural support somewhat removed, the market experienced a measured four-day decline from 6,455 to 6,345. Then, Powell’s Jackson Hole speech on Friday delivered exactly the dovish tone markets were hoping for, triggering a sharp reversal that saw the […]

Written by Simon Scholten · Categorized: Market Analysis, SpotGamma Weekly

Aug 17 2025

Volatility Drought Persists Through OPEX

SPX ended the week at a major SpotGamma support level of 6,450, driven by a combination of volatility compression, stabilizing dealer hedging flows, and the power of large options positioning. This week followed the trajectory outlined in our Founder’s Note on Monday morning: a benign CPI reading sent volatility even lower, and the SPX rose from 6,360 […]

Written by Simon Scholten · Categorized: Market Analysis, SpotGamma Weekly

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