| The rates to be applied to the initial or final stub may be the linear interpolation
of two different rates. While the majority of the time, the rate indices will be the
same as that specified in the stream and only the tenor itself will be different,
it is possible to specify two different rates. For example, a 2 month stub period
may use the linear interpolation of a 1 month and 3 month rate. The different rates
would be specified in this component. Note that a maximum of two rates can be specified.
If a stub period uses the same floating rate index, including tenor, as the regular
calculation periods then this should not be specified again within this component,
i.e. the stub calculation period amount component may not need to be specified even
if there is an initial or final stub period. If a stub period uses a different floating
rate index compared to the regular calculation periods then this should be specified
within this component. If specified here, they are likely to have id attributes, allowing
them to be referenced from within the cashflows component.
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