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All-Time Low (ATL)

Quick Answer

An All-Time Low (ATL) is the lowest price or level an asset, security or market index has reached in its recorded trading history. It is used as a historical reference point for comparing current prices with previous lows, but reaching an ATL does not show whether the market will recover, stabilise or fall further.

How does an All-Time Low (ATL) work?

An ATL is identified by comparing the current market price or index level with all previously recorded values in the relevant price history.

If the new value is lower than every earlier observation, a new all-time low has been established.

For example, if a security previously reached a minimum price of $40 and later falls to $36, the new ATL becomes $36.

Deutsche Börse defines an all-time low as the lowest price ever paid for a security and, for an index, the lowest level reached since launch.

The term is also widely used in cryptocurrency markets, where ATL generally refers to the lowest price recorded since a cryptoasset began trading.

Key features of an All-Time Low

Several characteristics are useful when interpreting an ATL:

  • It is a historical minimum: The figure represents the lowest recorded price or level over the available trading history.

  • It can be replaced: If the market later falls below the previous record, the lower value becomes the new ATL.

  • It is not the same as a 52-week low: A 52-week low covers a rolling period of 52 business weeks, while an ATL covers the entire available history. FINRA uses the 52-week-low measure for issues whose closing price is below a prior closing price within that rolling period.

  • It provides context, not a forecast: An ATL records a historical price event but does not predict future direction.

  • Data methodology matters: Depending on the source, historical lows may be based on intraday prices, closing prices or another defined methodology.

Simple All-Time Low example

Suppose an asset has recorded these yearly low prices:

  • Year 1: $80

  • Year 2: $65

  • Year 3: $50

  • Year 4: $58

At the end of Year 4, the ATL remains $50 because no later price has fallen below it.

If the asset then declines to $45:

Previous ATL = $50
New price = $45
New ATL = $45

The new ATL is:

$50 − $45 = $5 lower

or:

($5 ÷ $50) × 100 = 10% below the previous ATL

This example is illustrative only. It does not represent actual FxGrow market conditions, expected performance or a trading recommendation.

Potential benefits and uses

Monitoring an ATL may help traders and investors place current market prices in historical context.

It can be used to:

  • identify whether a market is trading at a record low;

  • compare current prices with previous historical troughs;

  • measure how far a market has fallen from earlier levels;

  • provide a reference point when reviewing long-term price charts;

  • distinguish a full-history low from a shorter-term measure such as a 52-week low.

ATL data may be useful for market analysis, but the record low itself does not show whether an asset is undervalued or likely to recover.

Risks, limitations and common misconceptions

A common misconception is that an ATL automatically represents a buying opportunity. It does not. A market can continue to fall after reaching a record low, and a new ATL may be followed by further new lows.

Another misconception is that an ATL marks a permanent bottom. The term only identifies the lowest price recorded up to that point. If the asset later falls further, the ATL changes.

Historical-low data can also depend on the chosen source and methodology. For example, CoinMarketCap notes that cryptocurrency ATL measurements can be complicated by how and when an asset began trading, including cases involving early liquidity pools or unusual initial valuations.

An ATL also should not be confused with a 52-week low. FINRA defines a 52-week low using a rolling 52-business-week period, which means an asset can reach a new 52-week low without setting a new all-time record.

Finally, an ATL does not account for factors such as inflation, distributions, corporate actions or adjustments to a historical data series unless the source specifically incorporates them.

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