问题如下:
Assume that a bank enters into a USD 100 million, four-year annual-pay interest rate swap, where the bank receives 6% fixed against 12-month LIBOR. Which of the following numbers best approximates the current exposure at the end of year 1 if the swap rate declines 125 basis points over the year?
选项: USD
3,420,069
USD 4,458,300
C.USD 3,341,265
D.USD 4,331,382
解释:
ANSWER: A
The value of the fixed-rate bond is . Subtracting $100 for the floating leg gives an exposure of $3.4 million. More intuitively, the sum of the coupon difference is 3 times , or around $3.75 million without discounting.
请问为什么是分子用6%,而分母用4.75%,为什么不是用6%折现,谢谢!