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OHC Trade Room · Reference

OHC glossary

Every term used across the OHC Trade Room courses, defined the way we teach it. No external definitions are substituted.

terms
553
categories
10
source modules
12

553 terms A–Z

Derivatives & Options Intermediate

Theta

Also known as Θ

The daily erosion of an option's extrinsic value from the passage of time. Long options have negative theta and lose value every day; short options have positive theta and collect it. Decay accelerates for short-dated at-the-money options, which is why sellers work inside 30 days and buyers work beyond 45.

Taught in
Module 5 — Derivatives 101 →
Level
Intermediate — builds on core concepts