Skip to content
Equity Capital Market
  • Privacy Policy
  • Start Here
  • Research
    • LPTH case study
    • PLUG case study
    • STDN case study
  • IPO & Public Offerings
  • Economy & Macro
  • Latest
  • Stock Market
  • Market Education
  • Energy & Commodities
  • Capital Markets
  • Federal Reserve & Rates
  • About
  • Contact

0dte options

0DTE Options Explained: How Same-Day Expirations Work

September 12, 2026June 19, 2026 by Bruno M.
0DTE Options Explained: How Same-Day Expirations Work

0DTE options expire the same day they trade. They are now 62% of all SPX volume. Here’s how same-day options work, what the Greeks do, and the real risks.

Categories Market Education Tags 0dte options, cboe, investing basics, options greeks, options trading, spx options

Explore ECMSource

New here? Begin with our guide to the site, then explore the subjects that match what you want to understand.

  • Start Here
  • Market Education
  • Stock Market
  • Capital Markets
  • Federal Reserve & Rates

Recent Posts

  • Workday Prices $2.5B Senior Notes Across Four Tranches
  • Lam Research Q1 Revenue Hits $8.22B on AI Chip Demand
  • SBLOC Explained: How Borrowing Against Your Stocks Works
  • Apollo Debt Solutions BDC: $1.6B Q3 Originations, 486 Bps Spread
  • Netflix Q3 Margin Surges to 34.6% as 2026 Ad Outlook Trimmed

Subscribe to Our Newsletter

Oh hi there 👋
It’s nice to meet you.

Sign up to receive awesome content in your inbox, every month.

We don’t spam! Read our privacy policy for more info.

Check your inbox or spam folder to confirm your subscription.

  • Privacy Policy
  • Editorial Policy
  • Corrections Policy
  • Financial Disclaimer
  • Contact
  • About Bruno M.
  • Investor Tools
© 2026 Equity Capital Market • Built with GeneratePress