Asset Swap Spread

Function Asset Swap Spread within Bond with keys Bond Asset Swap Spread keysreturns the fair spread of the associated asset swap for a given bond clean prices P as of a given reference date Tˢ
Several values may be also returned here in the form of a 1D-array
Internally, an asset swap object of type Asset Swap is first constructed that starts accruing at Tˢ and has Clean Price = P
Then the function Fair Spread is called on that Asset Swap object.
The internally used Asset Swap object can be also created with the help of the function Asset Swap Equiv