ATR Calculator
Calculate the Average True Range (ATR) from OHLC data to measure market volatility. Enter high, low, and close values to compute ATR for any period.
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FAQ
What is ATR and how is it used in trading?›
ATR (Average True Range) measures market volatility by calculating the average of true ranges over a period. Traders use ATR to set stop-loss distances, determine position sizes, and gauge when volatility is expanding or contracting.
What is the True Range formula?›
True Range is the greatest of: (1) current high minus current low, (2) absolute value of current high minus previous close, (3) absolute value of current low minus previous close. ATR is the moving average of True Range values over a set period.