• Skip to main content
  • Skip to primary sidebar

SpotGamma™

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

  • About
  • Pricing
  • Academy
  • Resources
    • Tool Demos
    • Case Studies
    • Blog
    • Support Center
    • Daily Report
    • Free Trading Tools
      • Opening Setup Free Report
      • Options Profit Calculator
      • SPX Gamma Exposure
      • Implied Earnings Moves
    • Free Training
    • Report Card
  • Login

OPEX

Jan 04 2026

Record 0DTE volume reshapes the S&P 500

Dual-line chart tracking SPX implied volatility over time with annotation marking current position in early January 2026.

Record 0DTE Volume in 2025 Has Changed the Game We wrapped up 2025 with the S&P 500 up 18% for the year—a solid result in the face of tariff headlines, global conflicts, and inflation concerns. One of the major options market stories of the past year has been the growing role of 0DTE options: same-day expiration […]

Written by Simon Scholten · Categorized: Market Analysis, SpotGamma Weekly · Tagged: holiday, iv, negative gamma, OPEX, spotgamma weekly, SPX, trade example

Dec 21 2025

Subdued Volatility and the Setup Into Year-End

SPX put spread payoff diagram showing profit/loss across stock prices with Greeks and expiration details.

Subdued Vol Meets Negative Gamma Weakness in AI-related stocks dominated market headlines last week, most notably for Oracle and Broadcom. This pushed the market downward, before the rebound on Thursday and Friday. Despite the market trending down for three consecutive days, implied volatility remained surprisingly subdued: put skew remained average, and ATM implied volatility sat […]

Written by Simon Scholten · Categorized: Market Analysis, SpotGamma Weekly · Tagged: holiday, iv, negative gamma, OPEX, spotgamma weekly, SPX, trade example

Dec 14 2025

FOMC Reset: Vol Crushes, Stocks Lift Higher

SPX gamma chart showing strike levels around 6,800-7,000 with total gamma bars and trend lines.

Last week began with quiet anticipation of Wednesday’s FOMC. When the Fed announced the 25 basis point rate cut and Treasury bill purchases, the reaction was immediate. Equities surged, with the SPX breaking out above our 6,845 Volatility Trigger to approach all-time-highs near the 6,900 resistance level. The options market had priced in meaningful event-related volatility surrounding FOMC, and […]

Written by Simon Scholten · Categorized: Market Analysis, SpotGamma Weekly · Tagged: 0DTE, FOMC, forward-vol, iv, negative gamma, OPEX, spotgamma weekly

Mar 15 2025

March OPEX Effect: Put Maxed

$10 billion dollar selloff trade

In this episode of the OPEX Effect we discuss how the stock market turned right at February VIX expiration resulting in a 10% SPX market crash into this weeks massive March OPEX. Brent flags how put values are “maxed out” into OPEX, and why that dynamic combines with 5,500 – 5,565 as a major support […]

Written by SpotGamma · Categorized: Market Analysis · Tagged: OPEX, The OPEX Effect

Aug 14 2024

The OPEX Effect: August 2024 | Behind the Scenes of the Recent Market Volatility

OPEX Effect August 2024 SpotGamma

In this episode of OPEX Effect, we dive into the recent market volatility and its connection to options flows. We discuss the sudden VIX spike to 65, examining the factors that led to this extreme event, including low liquidity, the unwinding of correlation trades, and the impact of zero-day options. We explore how the market […]

Written by SpotGamma · Categorized: Market Analysis · Tagged: OPEX, The OPEX Effect

Aug 09 2024

How We Nailed the Volatile Markets Last Week—And How You Can Too

How We Nailed the Volatile Markets Last Week—And How You Can Too Monday January 01 1999 Try SpotGamma HIRO Indicator for Free Real-time options data See when options drive stocks 0DTE filter for short-term trades Get Started Free Our Critical Market Guidance The past week has been a roller coaster for the stock market, with […]

Written by SpotGamma · Categorized: Market Analysis · Tagged: OPEX

Jul 24 2024

Blazing Hot IWM/Russell 2000 (R2k): How Options Insights Helped to Navigate the Small-Cap Madness

Blazing-Hot Rally IWM

How Option Flows Helped to Navigate the Small-Cap Madness Monday January 01 1999 Try SpotGamma HIRO Indicator for Free Real-time options data See when options drive stocks 0DTE filter for short-term trades Get Started Free Key Takeaways The unprecedented +12% surge in IWM/Russell 2000 (R2k) marked the most overbought condition for any major US Index […]

Written by SpotGamma · Categorized: Market Analysis · Tagged: IWM, OPEX, Russell

Jul 16 2024

The OPEX Effect: July 2024 | Inside What is Driving This Weird Market

OPEX-Effect-July-2024-SpotGamma-Excess-Returns

In this episode of the OPEX Effect, we explore the current market rally and discuss the concept of “correlation spasms” – unusual movements and relationships between market components. We examine record low volatility, the outsize impact of mega-cap tech stocks, and the recent surge in small-caps. We analyze the prevalence of zero days-to-expiry options trading […]

Written by SpotGamma · Categorized: Market Analysis · Tagged: OPEX, The OPEX Effect

Jun 18 2024

OPEX Effect: June is Call-Bloated

OPEX Effect June 2024 SpotGamma Jack Forehand

In The OPEX Effect: June 2024, Brent Kochua and Jack Forehand discuss the impact of options expiration (OPEX) on market volatility and specific stocks, such as Nvidia. During periods of low market volatility, significant call positions expiring can lead to increased market movement and volatility. They mention the influence of JP Morgan’s collar positions on the […]

Written by SpotGamma · Categorized: Market Analysis · Tagged: OPEX, The OPEX Effect

May 14 2024

Unpacking May OPEX: How Will Low Volatility and NVDA Earnings Shape The S&P 500?

Expiration concentration bar chart of delta notional from 2024 to 2027 featuring orange and blue bars of varying heights.

Key Points: A Brief Synopsis: Large call positions are driving low volatility into May options expiration. The expiration of call positions lines up with several key data points (Fed Speaking, CPI) which may cause volatility to briefly expand into the end of this week (Friday, 5/17), and into VIX expiration & NVDA earnings on 5/22. […]

Written by SpotGamma · Categorized: Market Analysis · Tagged: NVDA, OPEX

  • « Go to Previous Page
  • Go to page 1
  • Go to page 2
  • Go to page 3
  • Go to page 4
  • Go to page 5
  • Go to Next Page »

Primary Sidebar

SpotGamma-Subscriber-Signup-Banner

  • Index Put Protection Is Cheap With 10-Year Treasury Bonds at 5.3%
  • Friday Jobs Report Preview: What the Market Wants to See
  • Micron Earnings Preview: Can the AI Memory Boom Keep Delivering?
  • Index Put Demand Returns Ahead of Friday’s Jobs Report
  • AI Trade Drives Nasdaq, Small Caps Lag Behind
  • youtube
  • x
  • Privacy Policy
  • Disclaimer
  • Terms & Conditions
  • Support Center
  • Media
  • Contact Us

©2026 TenTen Capital LLC DBA SpotGamma

All SpotGamma materials, information, and presentations are for educational purposes only and should not be considered specific investment advice nor recommendations. Futures, foreign currency and options trading contains substantial risk and is not for every investor. An investor could potentially lose all or more than the initial investment. Risk capital is money that can be lost without jeopardizing one's financial security or lifestyle. Only risk capital should be used for trading and only those with sufficient risk capital should consider trading. Past performance is not necessarily indicative of future results. Testimonials appearing on this website may not be representative of other clients or customers and is not a guarantee of future performance or success.

View Full Risk Disclosure