You can add a trendline element to the chart to display additional information like a trendline for the chart data, reference information, and more. A trendline is a helpful element for the analysis of chart data.

The following trendline types are available.

• Reference Line
• Reference Band
• Linear Trendline
• Exponential Trendline
• Power Trendline
• Logarithmic Trendline
• Polynomial Trendline
• Fourier Trendline
• MovingAverage Trendline
• CumulativeMovingAverage Trendline
• ExponentialMovingAverage Trendline
• WeightedMovingAverage Trendline
• MovingAnnualTotal Trendline

To add a trendline

1. Select a Сhart plot.
2. In the Properties window, go to the Overlays property and click (Collection).
3. In the OverlayDesigner Collection Editor that opens, click Add to add a new overlay.
   
4. Specify the Type property and other important properties.
5. Click OK.