Expiration Day in Options Trading
The definition of expiration day in options trading — the last trading day for a contract and what changes that morning.
Placeholder content. Full editorial copy publishes in a later phase. The page index entry is the canonical brief.
Page type: Glossary Target keyword: options expiration day Intent: Informational Suggested CTA: C1 Related internal links: /expiration-day-behavior → /glossary/zero-days-to-expiration