FinanceChart.addMassIndex

addMassIndex(height, color, upColor, downColor)

Adds a Mass Index indicator chart.

Argument	Default	Description
height	(Mandatory)	The height of the indicator chart in pixels.
color	(Mandatory)	The color of the indicator line.
upColor	(Mandatory)	The fill color when the indicator exceeds the upper threshold line.
downColor	(Mandatory)	The fill color when the indicator falls below the lower threshold line.

A XYChart object representing the chart created.