Glossary · from the DESK dictionary
All-Time High (ATH)
The highest price at which a security has ever traded in its entire history, without a twelve-month limit.
In plain words
Often interpreted as a particularly strong technical and psychological signal by momentum investors.
What it means for traders
An important practical concept in technical analysis and momentum investing.
Common pitfalls
A new all-time high offers no guarantee, for the uptrend's continuation.
Related terms
52-Week High/Low · All-Time Low (ATL) · Peak (High Point)
From the DESK dictionary. For information only, not investment advice.
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DESK is a research tool and not investment advice. Page generated: 2026-10-12.