单选题

The bonds issued by ALS Corp. are currently priced at 108.00 and are option free. Based on a portfolio manager’s valuation model, a 10 basis points rise in interest rates will result in the bond price falling to 106.50 while a 10 basis points fall in interest rates will result in the bond price rising to 110.00. The market value of the portfolio manager’s holdings of ALS bonds is $2 million. The expected change in the market value of this holding for a 100 basis point change in interest rates will be closest to:

【正确答案】 B
【答案解析】

B is correct because the bond’s duration is computed using: