™An option's remaining time ends on its contract schedule. Exercise cutoffs and settlement details can differ from the last displayed trading time.
Options
Expiration
The date after which an option contract is no longer valid.
Plain-English context
Put the definition to work.
Last trading time, exercise deadline and settlement value can differ; verify the exact contract and broker cutoff.
Further reading and verification. Examples are hypothetical, not current quotes or recommendations. Product terms, tax treatment and market rules can change. OCC / Options Industry Council — options basics