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Trading User Guide Version 8.1

1. Currently the ShareScale operator is added in the Custom Study curve formula The ShareScale operator has two parameters separated by a comma The first parameter is the Custom Study curve formula itself The second parameter identifies whether the Custom Study curve shares a scale Example ShareScale custom study formula forces the curve to share the scale with the bar scale identified by Study Outputs cannot be changed within the Curve Editor However you can modify them by selecting the Study Output and then by selecting the Setup button to display the parameters When the cursor is placed on a Study Output or one of its parameters the entire Study Output expression is selected All or none of the Study Output expression must be removed at one time Individual parts of a Study Output expression cannot be removed The clipboard can be used to cut and paste text into the Curve Editor To add a custom study to a chart with the Study button 1 Click the Study button in the Chart toolbar to display a list of available studies including Custom studies 2 Click the desired Custom Study Names to select those studies Custom study names appear with the symbol following the abbreviated study name 3 Click the Add button to add the selected studies to the Chart window Defining Formulas Page 49 To place a custom study button on the Chart toolbar Individual Custom Study buttons can be placed on the Chart toolb
2. On the Custom Studies tab of the Define User Formulas window left click the Show Curves button The Curves for Study Name information appears under the Permissions button 2 Click the New button under Curves for Study Name Enter a name for the new curve 4 Click the OK button to close the Create a Study Curve window Advanced Analytics User Guide Page 48 To enter a curve formula The Curve Formula Editor displays the formula or expression associated with the study curve selected in the Curves for section It is empty when a new curve name is initially selected The editor consists of the editor area where the selected study curve s formula is shown and several Editor buttons The expressions can be modified directly in the Editor or they can be modified using the Editor buttons 1 If the Curves for study name information is not already displayed left click the Show Curves button Click the study name in the Study Names list Click the New button in the Curves for section Enter a name for the new study curve T aie aa Enter the desired Curve Formula directly in the Formula for Curve section Or 6 Click the Toolbox button to display the Formula Toolbox window and use the Toolbox to define the curve formula Custom Studies use scales that are unique to that study However an operator can be added to a Custom Study curve formula to force the Custom Study to share the scale of the underlying chart
3. setting to change Enter a new parameter value or Select the Drop Down List button where available aE ON Click the OK button to apply the changes to the custom study and close the Setup Study Parameters window While display parameters for the custom study can be modified in the Setup Study Parameters window study curve formulas must be modified in the Define Study window To remove a custom study 1 Move the mouse pointer so that it points to a custom study line and the mouse text appears 2 Right click to display a menu 3 Click Remove Custom Study Name You can also right click the associated custom study button to remove the study Advanced Analytics User Guide Page 50 To use a MATLAB function in a custom study CQG in conjunction with The MathWorks has integrated CQG IC and MATLAB by developing a communication channel between the applications using CQG s API MATLAB functions are used within CQG custom studies You can incorporate an existing MATLAB function or create your own You call the MATLAB function through CQG IC MATLAB serves as the calculation engine MATLAB returns the results to CQG IC where you can view them and integrate them into your conditions trade systems charts etc In CQG IC add the MATLAB function to your custom study using this syntax MatLab lt array gt lt MATLAB function gt lt data sources gt lt numeric input gt For example MatLab 100 my_matlab_functi
4. Page 47 Creating Custom Studies The custom study feature allows you to define and display customized studies Once a custom study has been defined it can be displayed like any other CQG study 1 Click the System button to display a menu 2 Select Define User Formulas 3 Select the Custom Studies tab Define Custom Studies using the Define User Formulas window Defining a custom study involves entering the following e A Study Name e A Study Name Abbreviation if desired e Study Curve Names instead of the cl c2 c3 and so forth default names e Study Curve Formulas To enter a custom study name and abbreviation 1 Click the New button in the Study Names group on the Custom Studies tab in the Define User Formulas window 2 Enter a study name The system automatically enters an abbreviation but you can Enter a study abbreviation if you want to 3 Click in the New Study Abbrev and Curve Name box and enter no more than 7 characters The custom study abbreviation must start with a letter rather than a number or symbol CQG uses the abbreviation name when you use one custom study as the basis for another custom study 4 Click the OK button To establish curves for a custom study Establishing curves for a custom study involves assigning names and defining the curve characteristics If the selected custom study does not already have curves defined the Curves For study name information is not displayed 1
5. ar to access frequently used studies After a study button is placed in the Chart toolbar the button can be used to add remove the associated study to from the active chart window 1 Click the Study button in the Chart toolbar to display a list of available studies This displays the Tabbed version of the Add Study window Click the Custom Studies tab Click the Custom Study Abbreviation to the left of the custom study name to add the corresponding Custom Study button to the Chart toolbar Custom study names appear with an following the abbreviated study name oo See 5 Click the study name itself and the Add button to display the study on the active chart without adding a button to the toolbar 6 Click the study abbreviation name and the Add button to add the custom study button to the toolbar and the study curves to the current chart Once a custom study button has been placed on the Chart toolbar it can display the associated custom study 1 Click the button with the desired study name to display the associated custom study 2 Right click the button of the desired Custom Study to remove the associated study if it is currently displayed To change the parameters of a Custom Study 1 Move the mouse pointer to a custom study line When the mouse text appears 2 Right click the custom study line to display a menu Click Modify to display the Setup Study Parameters window for the custom study w Click the parameter
6. on Close Open High DD 1 5 3 2 That is for my_matlab_function return an array of 100 closes of the source chart an array of 100 opens of the source chart and an array of 100 highs of DD using numeric inputs 1 5 and 3 2 Parameter Description MatLab Constant way that all MATLAB associated formulas must begin Array Size of the data array Must be at least 1 For example if you want 100 bars of the moving average returned then this value would be 100 MATLAB function Name of MATLAB function to call Data Sources Data sources to collect data from All inputs after function and before first numeric input are treated as inputs to populate data array Numeric Input All numeric inputs after data sources are considered parameters to be passed to MATLAB function Constant closing parenthesis Defining Formulas

Trading User Guide Version 8.1

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