Shift

Function Shift within FxdFlt Swaption with keys FxdFlt Swaption Shift keysreturns a new object of type FxdFlt Swaption that is similar to the caller swaption, except of the option expiry, the underlying swap tenor and optionally the strike.
The expiry and tenor are set according to a text input in key Code such as 6m3y, which would result to the creation of a 6 month into a 3 year swaption
A Portfolio object is returned if several text tokens are used as input.
Applies only to European swaptions.