• 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
      • Options Profit Calculator
      • SPX Gamma Exposure
      • Implied Earnings Moves
      • Volatility Ranking
    • Free Training
    • Report Card
  • Login

fed day

Jul 31 2019

Fed Day Market Move from a Gamma Perspective

S&P 500 line chart with volume, a yellow note on gamma flipping short at 2995, and a red arrow marking a drop.

Equity markets had an incredibly volatile day on 7/31/19 triggered by actions of the Federal Reserve. Its our view that the moves were exacerbated by the positioning of dealers in S&P 500 options. A quick wave of selling entered the markets just above 3000, pushing the market under our “volatility trigger” level of 2995. At […]

Written by tenten · Categorized: Market Analysis · Tagged: fed day, market makers, market selloff, options gamma

Primary Sidebar

SpotGamma-Subscriber-Signup-Banner

  • The S&P500’s Diversification Problem
  • Quiet Oil Options Mask Tail Risk
  • Celsius Insiders Are Buying the Dip — And Options Are Cheap Into the Catalyst
  • Trump Xi Summit and the Market Outlook
  • AI Stocks Options Positioning: Call Selling, Not Put Buying
  • 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