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

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SpotGamma Weekly

Oct 26 2025

Vol Deflates, GLD Sells Off, and Earnings Season Ramps Up

SPX implied volatility versus delta chart showing teal line below gray with a yellow arrow on the teal curve.

Special Note: You’re invited to join SpotGamma on October 28 as we kick off Hidden Forces Unmasked, our live trader event built to help you protect PnL, outsmart volatility, and spot your next winning setup before the open. Get first access to our new Options Calculator and supercharged HIRO, along with the full suite of SpotGamma tools, free. Plus, score a shot at exclusive giveaways. Vol Deflates, […]

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

Oct 19 2025

Volatility Returns in Time for Earnings Season

SPX total gamma chart by strike with a large positive bar labeled 6,650 and negative bar at 6,330.

Volatility announced its return last week as the S&P 500 swung across intraday trading ranges of 150+ handles. SPX tested both the 6,550 and the 6,700 key levels we mentioned in our AM Founder’s Note on Monday before closing up 1.7% for the week at 6,674. Persistent negative gamma set the stage for heightened realized volatility, as dealers […]

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

Oct 12 2025

What Led to Friday’s Selloff?

Bar and line chart of SPX estimated gamma notional by strike from 6345 to 7005 with all-exp and today's-exp lines.

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

SPX implied volatility term structure chart versus expiration dates with October OPEX highlighted.

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

Line chart of SPX implied volatility rising from September to December 2025 with yellow arrow.

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?

SPX total gamma bars by strike highlighting dealer long gamma shock absorber from 6505 to 6650.

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

Heatmap chart of SPX gamma exposure by strike over time with GEX bars on left and yellow highlight on 6550-6600.

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

SPX gamma chart with total gamma lines and bars by strike from 5350 to 7000, yellow and pink arrows at peak and dip near 6400.

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

NVDA color-coded matrix of implied vol differences by strike and expiry from Aug 28 versus 27, current price 174.13.

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

SPX total gamma line and bar chart versus option strikes from 6190 to 6705 highlighting the 6400 strike.

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

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