Derivative instruments are used daily by banks to provide hedging to clients and to generate profits from trading. To facilitate the use of derivatives, credit facilities are allocated to clients and counterparties. The methods to determine the credit risk associated with these instruments have gone through a number of evolutionary phases. The first phase involved the use of the notional amount of the outstanding derivative instrument. The second phase involved a percentage of the outstanding notional amount of the derivative instrument. The third phase involved the marked-to-market value of...