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# Range

## Description

Returns the range of a bar.

## Syntax

`Range()`

`Range(ISeries\<double\> input)`

**Returns default value**

`Range()[int barsAgo]`

`Range(ISeries\<double\> input)[int barsAgo]`

## Return Value

**double;** Accessing this method via an index value `[int barsAgo` returns the indicator value of the referenced bar.

## Parameters

| Parameter | Description                                                                                     |
| --------- | ----------------------------------------------------------------------------------------------- |
| input     | Indicator source data ([Series\<T>](/developer/desktop-sdk/references/common/iseriest/seriest)) |
| period    | Number of bars used in the calculation                                                          |

## Examples

```csharp
// Prints the range of the current bar
double value = Range()[0];
Print("The current bar's range is " + value.ToString());

// Prints the 20 period simple moving average of range
double value = SMA(Range(), 20)[0];
Print("The 20 period average of range is " + value.ToString());
```

## Source Code

You can view this indicator method source code by selecting the menu New > NinjaScript Editor > Indicators within the NinjaTrader Control Center window.