In this lesson, we learned to configure the Trader Workstation (TWS). However, note that this can be done if there are no active orders. The reset button allows resetting the order Id sequence. This unique order Id has to be greater than all the order Ids previously used. Reset API order Id sequence buttonĪ unique order Id is required every time an order is placed to an account. If you also check the ‘include market data in API log file’ box, it will cause real-time market data to be captured in the API when trouble shooting market data problems. To capture the API messages it necessary to set the logging level to ‘Detail’.By default, the logging level is set to ‘Error’ which records a minimum amount of diagnostic information.The TWS logs will be log.txt where day corresponds to the week day when the log file was written.The API message log files will be created within the C drive Jts folder on a Windows system.API message log file contain the exchanged message sequences between the R application and the Trader Workstation.If you check the “Create API message log file” box, it will create TWS log files. Finally, click on the “Apply” shown at the bottom of the API settings page and click OK.Check the ‘Include market data in API log file’ box.

Check the “Create API message log file” box.

Check the “Enable ActiveX and Socket Clients” box.

Click on the “API-Settings” under the “Configuration” folder shown on the left-hand side panel.

Click on the “Global configuration” under the “Application Settings” section.

Click on the File tab in Trader Workstation (TWS).

Steps to Configure the Trader Workstation (TWS) The next section explains the steps to configure the TWS. Before we start writing programs in R, we need to configure the Trader Workstation (TWS).

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