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LDB Day Trader Margin

The Day Trader Margin system computes day trader margin requirements for stock and options trades as defined by FINRA Rule 4210. The system uses the "time and tick" method and provides the user with the ability to compute FINRA Rule 4210 or Portfolio Margin day trade requirements. The system may be licensed as a standalone day trader margin system, or in conjunction with the OMO (Option Margin Optimizer) and/or RBM (Risk Based Margin) modules.

DTM Fact Sheet

OMO/OMO-PLUS/Day Trader Manual


To download fact sheets and manuals, right click on the link and choose 'Save Target As...'.
To view the PDF versions of the fact sheets and manuals, you need to download and install Adobe Acrobat Reader.





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LDB Division
P.O. Box 512, Valparaiso, IN 46384-0512
Phone: (219) 477-1928 Fax: (219) 531-2643
Questions or Comments? Email info@ldbci.com