Earlier we provided two interpretations of a swap: (1) a package of futures/forward contracts, and (2) a package of cash market instruments. The swap spread is determined by the same factors that influence the spread over Treasuries on financial instruments (futures/forward contracts or cash) that produce a similar return or funding profile. As we explain subsequently, the key determinant of the swap spread for swaps with maturities of five years or less is the cost of hedging in the Eurodollar CD futures market. For longer maturity swaps, the key determinant of the swap spread is the credit spreads in the corporate bond market. Read the rest of this entry »