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Days to Expiration (DTE)

Days until option expires

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What is Days to Expiration (DTE)?

Days to Expiration (DTE) The number of calendar days until an option expires. Critical for time decay calculations. Options lose value faster as DTE decreases, especially under 30 DTE.

Complete definition

The number of calendar days until an option expires. Critical for time decay calculations. Options lose value faster as DTE decreases, especially under 30 DTE.

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By Ryan Silk & Lawrence Polatchek Last reviewed . Methodology is published in full.

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