True if the point where the trendline crosses the value axis is automatically determined by the regression. Read/write Boolean.
Remarks
Setting the Intercept property sets this property to False.
Example
This example sets Microsoft Excel to automatically determine the trendline intercept point for Chart1. The example should be run on a 2-D column chart that contains a single series with a trendline.
Charts("Chart1").SeriesCollection(1).Trendlines(1) _
.InterceptIsAuto = True