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

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

# ChartEllipse.Y1

Member of [ChartEllipse](https://help.ctrader.com/ctrader-algo/references/Chart/Drawings/Shapes/ChartEllipse/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
chartEllipse.Y1: float
```

### Returns

`double` — 

### Examples

C#:

```csharp
var ellipse = Chart.DrawEllipse("ellipse", Bars.OpenTimes.Last(20), Bars.LowPrices.Last(20), Bars.OpenTimes.LastValue, Bars.HighPrices.LastValue, Color.Red);
ellipse.Y1 = Bars.LowPrices.Last(20) - 10 * Symbol.PipSize;
Print("Ellipse Y1: {0}", ellipse.Y1);
```

Python:

```python
ellipse = api.Chart.DrawEllipse("ellipse", api.Bars.OpenTimes.Last(20), api.Bars.LowPrices.Last(20), api.Bars.OpenTimes.LastValue, api.Bars.HighPrices.LastValue, Color.Red)
ellipse.Y1 = api.Bars.LowPrices.Last(20) - 10 * api.Symbol.PipSize
api.Print(f"Ellipse Y1: {ellipse.Y1}")
```