Definition
The 52-week high is the highest price an asset reached during the past 52 weeks, used as a reference point for where the current price stands within its range over the last year.
How it works
Data providers calculate it in different ways. Some use the highest intraday price, the top of any trade during a session, while others use the highest daily closing price. The two can differ noticeably for volatile assets. For crypto, which trades every day, the window covers every day of the past year, and the result also depends on which exchanges' prices are included.
A common use is the distance from the high: % below the 52-week high = (52-week high − current price) ÷ 52-week high × 100. Together with the 52-week low, it forms the 52-week range, which shows at a glance whether a price sits near the top or bottom of its recent levels. Some traders watch new 52-week highs as a sign of strong momentum, while others treat them as levels where selling may appear.
Data providers usually adjust past prices for stock splits, so a 4-for-1 split does not leave an old high 4 times above the current price. A 52-week high describes the past year. It is not a buy or sell signal by itself and says nothing about a company's value or why the price moved.
Example (hypothetical numbers)
Suppose Stock X's highest intraday price in the past 52 weeks was $125, its highest closing price was $120, and it now trades at $96.
Below the intraday high: ($125 − $96) ÷ $125 × 100 = 23.2%.
Below the closing high: ($120 − $96) ÷ $120 × 100 = 20%.
The same stock looks 20% or 23.2% below its 52-week high depending on which definition the data source uses.
Common mistakes
- Comparing 52-week highs from sources that use closing prices with sources that use intraday prices.
- Treating a new 52-week high as a guarantee that the price will keep rising.
- Assuming a stock far below its 52-week high must be cheap.
Related calculators
This glossary is for education only and is not investment advice. Examples use hypothetical numbers.