Summation (Sum)

This function is available on the Add Study window and in the Formula Toolbox.

The Summation study adds chart values over a specified period.

Example Formula:Sum(@,8)

 

Parameter

Description

Display

Opens a sub-window with display properties:

•      Color = Select a line color.

•      Weight = Type a value for line thickness.

•      Display = Select line style: line, histogram, or dash.

•      ShareScale = Assign a behavior for functions and studies sharing the vertical scale:

•      Auto = System determine whether sharing is feasible.

•      On = Scale is shared regardless of the functions and studies displayed.

•      Off = Scale is not shared.

MarkIt

Opens the Specify Conditions for Marking Bar window.

Period

Time period for the moving average calculations.

Price

Price used for calculations.

OB/OS

Opens a sub-window with properties for overbought and oversold indicators.

•      Color = Select a line color.

•      Weight = Type a value for line thickness.

•      Type = Select fixed or dynamic.

•      Std Dev = Choose a multiplier of the Standard Deviation used to derive high and low.

•      Lookback = Choose the number of bars that should be compared to the current bar.

•      Level = Assign a percentage value of average OB/OS to be used to calculate predictor OB/OS levels.

•      Display = Click this check box to display the line on the chart.

•      Style = Choose a line style: line, long dash, or short dash.