# True Range

## Description

True range is a measure of volatility. It represents how much a security changed price on a given day.

True range for each day is the greatest of:

Day's high minus day's low

The absolute value of the day's high minus the previous day's close

The absolute value of the day's low minus the previous day's close

## Syntax

${\displaystyle fx=BT\_I\_TR(High,Low,Close)}$