---
id: "P:cAlgo.API.Indicators.MacdHistogram.Signal"
kind: "property"
type: "T:cAlgo.API.Indicators.MacdHistogram"
url: "https://help.ctrader.com/ctrader-algo/references/Indicators/MacdHistogram/Signal/"
---

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

# MacdHistogram.Signal

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

## Signal

The signal (red line). The exponential moving average of the MACD histogram.

Environments: Desktop supported · CLI supported · Cloud supported.

C#:

```csharp
IndicatorDataSeries Signal {get;}
```

Python:

```python
macdHistogram.Signal: IndicatorDataSeries
```

### Returns

`IndicatorDataSeries` — 

### Examples

C#:

```csharp
var macd = Indicators.MacdHistogram(Bars.ClosePrices, 26, 12, 9);
Print("MACD signal line: {0}", macd.Signal.Last(1));
```

Python:

```python
macd = api.Indicators.MacdHistogram(api.Bars.ClosePrices, 26, 12, 9)
api.Print(f"MACD signal line: {macd.Signal.Last(1)}")
```