Average True Range: Meaning, Definition & Indian Stock Market Examples

Average daily price range — measures market volatility.

Disclaimer: This article is for educational purposes only and does not constitute SEBI-registered investment advice. Consult a SEBI-registered investment advisor before making investment decisions.

What is Average True Range?

Average True Range (ATR) measures market volatility by calculating the average of the True Range (greatest of: current high − current low, current high − previous close, previous close − current low) over N periods (typically 14). Higher ATR = higher volatility; lower ATR = quieter market.

Average True Range — Indian Stock Market Example

During the March 2020 COVID crash, Nifty 50 ATR spiked to 500–800 points per day. In calm bull markets, Nifty daily ATR is typically 100–200 points. Traders use ATR × 1.5 or 2 to set stop-loss levels, ensuring stops are placed outside normal daily price noise.

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Frequently Asked Questions about Average True Range

How do traders use ATR for stop-losses?

ATR-based stops adapt to current volatility. A common rule: place stop-loss at Entry Price − (ATR × 1.5 or 2). This ensures the stop is beyond normal daily fluctuations. In volatile periods, stops automatically widen; in quiet periods, they tighten. This prevents being stopped out by noise.

Can ATR predict direction?

No. ATR only measures the magnitude of price movement, not direction. A high ATR tells you the stock is moving widely but not whether it's going up or down. Use ATR for position sizing and stop placement, not for trade direction signals.

Related Terms

Volatility

Degree of price fluctuation — measured by standard deviation or India VIX.

Bollinger Bands

Three bands (SMA ± 2 standard deviations) that expand/contract with volatility.

Trading Volume

Number of shares traded in a period — confirms price move validity.

Breakout

Price moving decisively beyond a support or resistance level on above-average volume.

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