---
id: "M:cAlgo.API.Internals.IIndicatorsAccessor.WilliamsPctR(System.Int32)"
kind: "method"
type: "T:cAlgo.API.Internals.IIndicatorsAccessor"
url: "https://help.ctrader.com/ctrader-algo/references/Indicators/IIndicatorsAccessor/WilliamsPctR/"
---

> Documentation index for agents: https://help.ctrader.com/ctrader-algo/llms.txt · machine index: https://help.ctrader.com/ctrader-algo/api.json

# IIndicatorsAccessor.WilliamsPctR

Member of [IIndicatorsAccessor](https://help.ctrader.com/ctrader-algo/references/Indicators/IIndicatorsAccessor/index.md).

## WilliamsPctR(int periods)

The Williams Percent R indicator is a momentum indicator measuring overbought and oversold levels.

Environments: Desktop supported · CLI supported · Cloud supported.

C#:

```csharp
WilliamsPctR WilliamsPctR(int periods)
```

Python:

```python
api.Indicators.WilliamsPctR(periods: int) -> WilliamsPctR
```

### Parameters

- `periods` (`int`, Python `int`): The period used for calculation.

### Returns

`WilliamsPctR` — The Williams Percent R indicator instance

### Examples

C#:

```csharp
var williamsPctR = Indicators.WilliamsPctR(14);
if (williamsPctR.Result.Last(1) < -80)
    Print("Williams %R is oversold: {0}", williamsPctR.Result.Last(1));
```

Python:

```python
williamsPctR = api.Indicators.WilliamsPctR(14)
if williamsPctR.Result.Last(1) < -80:
    api.Print(f"Williams %R is oversold: {williamsPctR.Result.Last(1)}")
```

## WilliamsPctR(Bars bars, int periods)

The Williams Percent R indicator is a momentum indicator measuring overbought and oversold levels.

Environments: Desktop supported · CLI supported · Cloud supported.

C#:

```csharp
WilliamsPctR WilliamsPctR(Bars bars, int periods)
```

Python:

```python
api.Indicators.WilliamsPctR(bars: Bars, periods: int) -> WilliamsPctR
```

### Parameters

- `bars` (`Bars`, Python `Bars`): The Bars that will be used by indicator, you can pass another timeframe/symbol bars
- `periods` (`int`, Python `int`): The period used for calculation.

### Returns

`WilliamsPctR` — The Williams Percent R indicator instance

### Examples

C#:

```csharp
var dailyBars = MarketData.GetBars(TimeFrame.Daily);
var dailyWilliamsPctR = Indicators.WilliamsPctR(dailyBars, 14);
Print("Daily Williams %R: {0}", dailyWilliamsPctR.Result.Last(1));
```

Python:

```python
dailyBars = api.MarketData.GetBars(TimeFrame.Daily)
dailyWilliamsPctR = api.Indicators.WilliamsPctR(dailyBars, 14)
api.Print(f"Daily Williams %R: {dailyWilliamsPctR.Result.Last(1)}")
```