Fwd Date Shift

Key Fwd Date Shift in ImpYC Forward refers to the time interval by which the spot date implied by the input yield curve in Spot Curve is shifted in order to reach the reference date of the produced forward curve
Expects an object of type Period.

The direction of the shift depends on the sign of that interval and the entry Date Spec
When Date Spec = By Period Plus, a positive amount indicates a shift to the right and a negative amount indicates a shift to the left.
The shift direction is reversed when Date Spec = By Period Minus