SAP ABAP Data Element JBRINTBASTYP (Interpolation basis)
Hierarchy
SAP_APPL (Software Component) Logistics and Accounting
   TR (Application Component) Treasury
     JBST (Package) Standard objects of application development IS-B EGK
Basic Data
Data Element JBRINTBASTYP
Short Description Interpolation basis  
Data Type
Category of Dictionary Type D   Domain
Type of Object Referenced     No Information
Domain / Name of Reference Type JBRINTBASTYP    
Data Type CHAR   Character String 
Length 1    
Decimal Places 0    
Output Length 1    
Value Table      
Further Characteristics
Search Help: Name    
Search Help: Parameters    
Parameter ID   
Default Component name    
Change document    
No Input History    
Basic direction is set to LTR    
No BIDI Filtering    
Field Label
  Length  Field Label  
Short 10 Basis 
Medium 20 Interpolation basis 
Long 23 Interpolation basis 
Heading 23 Interpolation basis 
Documentation

Definition

The interpolation basis determines the basis used for interpolating a yield curve type.

The following interpolation bases are supported:

  • Par rate

    The system interpolates the par rates, and calculates the zero bond discount factors and zero coupons using the par rates.

    This interpolation basis is only supported for the yield category "par rate".

  • Zero coupon

    The system interpolates the zero coupons, and calculates the zero bond discount factors and (where relevant) par rates using the zero coupons. Interpolating the zero coupons is not as complex as interpolating the par rates, and in many cases, this improves performance (especially when calculating forwards).

The choice of interpolation basis for a particular yield curve depends on the interpolation model. As for the various interpolation procedures, the different interpolation bases produce slightly different interpolation results.

The best performance is achieved by using "linear interpolation" as the interpolation procedure and "zero coupon" as the interpolation basis.

Note:
The interpolation of missing annual grid points in yield curves with the yield category "par rate" is independent of the interpolation basis "par rate".

History
Last changed by/on SAP  20011002 
SAP Release Created in 46C