A dual index is a contract whose payment stream is the difference of two interest rate indexes plus a spread. In HedgeOne, a dual index can be a financial instrument or a component of derivative products.
The user enters the terms of the contract in the following dialog window. The rate paid out is:
max( Lower Bound, min( Upper Bound,( Index 1 - Index 2 + Spread ))
between the dates in Begin and End, with Freq. payments per year.
