addUltimateOscillator(height, period1, period2, period3, color, range, upColor, downColor)

Adds an Ultimate Oscillator indicator chart.

Argument	Default	Description
height	(Mandatory)	The height of the indicator chart in pixels.
period1	(Mandatory)	The first moving average period to compute the indicator.
period2	(Mandatory)	The second moving average period to compute the indicator.
period3	(Mandatory)	The third moving average period to compute the indicator.
color	(Mandatory)	The color of the indicator line.
range	(Mandatory)	The distance between the middle line and the upper and lower threshold lines.
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.