Evaluates the percentage change in a bond portfolio's value for a small parallel shift of all the interest rate curves which the bonds within the portfolio depend on.
The small parallel shift (in absolute terms) of the interest rate curve.
duration
An array where the first value is the duration of the first bond within the portfolio and the second term is the duration of the second bond within the portfolio and so on.
valueOfBond
An array where the first term corresponds to the value of the first bond within the portfolio and the second term corresponds to the weight of the second term within the portfolio and so on.
Return Value
The percentage change in the bond portfolio's value in decimal format (i.e. 1 percent = 0.01).
Remarks
The percentage change of the portfolio is returned in decimal format (i.e. 1 percent = 0.01).