FpML Issues Tracker

40: Expanding Day Count Fractions

September 4, 2004

closed

Minor

Always

Schema

Admin

mgratacos

Summary

The existing DayCountFractionEnum enumeration allows only 8 different day count bases to be selected from. A group of hedge funds developing an FpML data feed specification requires at least 38 day count bases to be allowed. (see attachment).

With the existing enumeration, it is almost impossible to extend this type in place. Therefore, we request that one of the following be done, in preference order: 1) turn this type back to a scheme (best choice), and ideally add the requested values to the scheme list. 2) keep it as an enum, but provide an extension mechanism, e.g. by allowing a specific pattern to be used for extensions (e.g. *:*) 3) add the listed values to the enumeration.

This group views this enhancement as critical to their use of FpML.

Notes:

  • mgratacos

    04/13/05 6:27 pm

    The DayCountFractionEnum enumeration was converted to scheme in version 4.1
    Last Call Working Draft. Currently, the scheme list contains the values defined
    in the enumeration.

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