# ATH

/ˌeɪtiːˈeɪtʃ/ (US) · CEFR B2 · Noun

Source: https://englishreference.com/word/ath
Updated: 2026-07-19

## Definition

Stands for All-Time High. The highest price or value that something, such as a stock or a record, has ever reached.

For teachers: Abbreviation for All-Time High. The peak value or price achieved by a financial asset, index, or performance metric throughout its entire history.

## Examples

- Bitcoin reached a new ATH last month.
- Every time the price nears its previous ATH, trading volume spikes.
- Breaking through a long-standing ATH often triggers a wave of buying, as traders read the new high as confirmation of momentum.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.