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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

Open interest

Also known as OI

The number of option contracts currently outstanding at a given strike and expiry. It measures the depth of positioning and, alongside volume, the liquidity of a contract. Rising open interest in puts is read as a defensive sentiment signal.

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