Spread Graph Settings
The Spread Graph displays the variance or spread between two time-based data series.
Typical use cases include comparing a stock’s price performance to an Index or a bond’s yield to a benchmark rate.
The spread 
	 graph settings pane is displayed after clicking the Options 
 button.

| 
    Setting  | 
			
    Description  | 
		
| 
    Line Width  | 
			
    Specifies the width in pixels of the Spread Graph data series lines.  | 
		
| 
    Spread Color Opacity  | 
			
    Specifies the level of color transparency/opacity for the Positive and Negative Spread colors. The value is from 0 to 255 with the default set to 128.  | 
		
| 
    Line Interpolation  | 
			
    Specifies the interpolation mode as Linear, Stepped, or Smooth.  | 
		
| 
    Value Interpolation Time Gaps  | 
			
    Determines whether to interpolate across weekend and closed period gaps.  | 
		
| 
    Value Interpolation Na Value Gaps  | 
			
    Determines whether Na value (or missing) gaps are interpolated.  | 
		
| 
    Value Line Color  | 
			
    Specifies the color of the value line data series.  | 
		
| 
    Reference Line Color  | 
			
    Specifies the color of the reference line data series.  | 
		
| 
    Positive Spread Color  | 
			
    Specifies the color when the spread between the value and reference is positive.  | 
		
| 
    Negative Spread Color  | 
			
    Specifies the color when the spread between the value and reference is negative.  | 
		
| 
    Show Coordinates  | 
			
    Determines whether the graph coordinates (i.e., X-Y plots, or Date/Time-Y plots) on mouse over are displayed in the visualization.  | 
		
Other visualization-specific properties can be set by clicking on the Y-Axis variable drop area and then selecting the Y-Axis tab:

| 
    Setting  | 
			
    Description  | 
		
| 
    Independent Y-Axis Scaling  | 
			
    Determines whether to have each visualization Y-axis in a cross tab automatically scaled independent of the others.  | 
		


