In order to figure out how much of your premium you can amortize each year, you have to know the coupon rate of the bond and the yield to maturity based on the price you actually paid.

How to Calculate a Bond's Current Yield. The current yield is how much a debt instrument is making for an investor in interest. When a bond sells at par, the current yield will equal the stated ...

How to Use Excel to Calculate a Bond's Yield to Call. Bonds are investment vehicles that make regular coupon payments until maturity, at which time the bond's face value is paid.

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