# Reversal Bars

Reversal bars is a volatility-based chart type that builds a new bars after the price passes a specified amount of ticks in the opposite (reversal) direction.

![](https://33591944-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MYWZsVZVKQjfWwZjJmj%2F-MZK-XX3a7ATb_a6Jw50%2F-MZK-mojpJGbIhwJRFm_%2FAnalytic%20panels%20-%20Chart%20-%20Chart%20types%20\(Showing%20new%20reversal%20bar\).png?alt=media\&token=cba77d70-5c69-4e33-a799-e9592b186d23)

## How do Reversal Bars is constructed? <a href="#how-do-reversal-bars-is-constructed" id="how-do-reversal-bars-is-constructed"></a>

There are two parameters that are involved in the calculations:

* **Length** is the minimum bar size after which a pullback can be counted.
* **Reversal Length** is the minimum size of pullback (reversal) after which the bar will be fixed and a new one starts to build.


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