• The rate should be appropriate to the risk presented by the security.
5.1 Definition and Example of a Bond
• A bond is a legally binding agreement between a borrower and a lender: – Specifies the principal amount of the loan. – Specifies the size and timing of the cash flows:
• In dollar terms (fixed-rate borrowing) • As a formula (adjustable-rate borrowing)
5.1 Definition and Example of a Bond
• Consider a U.S. government bond listed as 6 3/8 of December 2009.
N I/Y PV PMT FV
12
5
– 1,070.52
31.875 = 1,000
1,000×0.06375 2
5.3 Bond Concepts
1. Bond prices and market interest rates move in opposite directions.
2. When coupon rate = YTM, price = par value. When coupon rate > YTM, price > par value (premium bond) When coupon rate < YTM, price < par value (discount bond)