---
id: "P:cAlgo.API.ChartFibonacciRetracement.Y1"
kind: "property"
type: "T:cAlgo.API.ChartFibonacciRetracement"
url: "https://help.ctrader.com/ctrader-algo/references/Chart/Drawings/Fibonacci/ChartFibonacciRetracement/Y1/"
---

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

# ChartFibonacciRetracement.Y1

Member of [ChartFibonacciRetracement](https://help.ctrader.com/ctrader-algo/references/Chart/Drawings/Fibonacci/ChartFibonacciRetracement/index.md).

## Y1

Gets or sets the value 1 on the Y-axis.

Environments: Desktop supported · CLI works differently · Cloud works differently.

- CLI: Created and kept with all its properties, but never drawn: the CLI displays no chart.
- Cloud: Created and kept with all its properties, but never drawn: the cloud displays no chart.

C#:

```csharp
double Y1 {get; set;}
```

Python:

```python
chartFibonacciRetracement.Y1: float
```

### Returns

`double` — 

### Examples

C#:

```csharp
var retracement = Chart.DrawFibonacciRetracement("retracement", Bars.OpenTimes.Last(50), Bars.HighPrices.Last(50), Bars.OpenTimes.LastValue, Bars.LowPrices.LastValue, Color.Red);
retracement.Y1 = Bars.HighPrices.Last(50) + 5 * Symbol.PipSize;
Print("Retracement 100% price: {0}", retracement.Y1);
```

Python:

```python
retracement = api.Chart.DrawFibonacciRetracement("retracement", api.Bars.OpenTimes.Last(50), api.Bars.HighPrices.Last(50), api.Bars.OpenTimes.LastValue, api.Bars.LowPrices.LastValue, Color.Red)
retracement.Y1 = api.Bars.HighPrices.Last(50) + 5 * api.Symbol.PipSize
api.Print(f"Retracement 100% price: {retracement.Y1}")
```