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ATH (All-Time High)

In simple terms

ATH is the highest price a cryptocurrency has ever reached. It's like the peak of a mountain—once you go higher, that becomes the new record.

Definition

The highest price an asset has ever reached.

In depth

ATH (All-Time High) represents the maximum price point an asset has achieved throughout its entire trading history on recorded exchanges. This metric is calculated by aggregating price data from multiple market venues and identifying the highest executed transaction price across all time periods. ATH serves as a psychological and technical reference point for traders, as it indicates resistance levels, market sentiment peaks, and the upper boundary of historical price discovery. When an asset surpasses its previous ATH, it establishes a new price discovery mechanism and often signals shifts in market valuation or adoption metrics.

How does ATH (All-Time High) work?

An all-time high is the highest price an asset has ever traded at, measured in a chosen currency and on a chosen data source. Price trackers keep a historical series and compare each new print against the stored maximum; when a trade exceeds it, the record updates immediately. Sources disagree because each aggregates a different set of markets, and some use the highest intraday trade while others use daily closing prices. The figure is currency-specific too: an asset can sit at a high measured in dollars while remaining well below its high measured in bitcoin.

An example

Suppose an asset's highest recorded price was $80 and it later trades at $60. It is 25% below its all-time high, since 20 divided by 80 is 0.25. Getting back to $80 from $60 would take a rise of about 33%, since 20 divided by 60 is 0.33. That asymmetry surprises people. These are illustrative figures, not a price for any asset.

Figures are illustrative only.

What beginners get wrong

  • Treating a new record as a signal about what comes next, when it describes what has already happened and nothing more.
  • Comparing figures across sites without noticing they track different exchanges and may count intraday spikes rather than closing prices.
  • Percentage falls and recoveries are not symmetrical: a 50% decline requires a 100% rise to return to the previous level.
  • Ignoring the denominator, because an all-time high in dollars is a different measurement from one in bitcoin or euros.

Related terms

Part of

What are crypto market cycles and market sentiment? — the subject page for market cycles and sentiment, with all 18 of its definitions in one place.

Educational only — not financial advice.