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LDB Option Margin Optimizer
The Option Margin Optimizer (OMO) calculates customer margin charges according to FINRA Rule 4210, as revised in December 2010. The charges calculated should be the LOWEST allowable. The system will calculate margin for common stock, single security futures,convertible securities, listed and OTC options on equities and indices, and listed options on currencies. The Optimizer can identify butterflies, boxes, spreads, covers, hedges, reversals/conversions, collars and straddles, allowing the user to specify rates on naked or concentrated stock positions by symbol.


The OMO-PLUS version of the Option Margin Optimizer computes day trader margin utilizing the time and tick method.

Option Margin Optimizer Fact Sheet
Option Margin Optimizer 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