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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

Markets & Instruments Beginner

Bid-ask spread

Also known as Bid-offer spread

The gap between the highest price a buyer will pay (bid) and the lowest a seller will accept (ask). The spread is a direct cost of trading and a live read on liquidity: wide spreads mean thin markets or high uncertainty. On options, spread quality often decides whether a structure is worth entering at all.

Taught in
Module 5 — Derivatives 101 →
Level
Beginner — no prior knowledge assumed