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Glossary · Options

Days to expiration

How many calendar days remain until an option expires.

Why it matters

Time decay speeds up near expiration. Many sellers open trades 30 to 45 days out and close by 21; buyers often prefer 45 to 90 days.

How to read it

Pick the DTE to fit your idea: how long you think the move will take, doubled.

Also called: DTE

Related

ThetaHow much value an option loses each day from time passing, all else equal.ExpirationThe last day an option exists. After it, the option is exercised or worthless.

In the Cluenex app, this explanation opens next to every days to expiration figure, with the live reading for the stock you are looking at. Open it in Cluenex