Bond Valuation is a technique used for assessing the fair value of a bond by calculating the present value of all expected future cash inflows and outflows associated with the bond. This analysis takes into consideration the bond’s face value, coupon rate, the time to maturity,the addition of any premiums or discounts, and the expected rate of return of a similar risk investment. This type of evaluation is used to estimate what rate of return an investor would need to make a bond investment worthwhile.

The concept of bond valuation relates to the discounted cash flow (DCF) model, where an investor assesses the present value of a bond's future coupon payments and its face value by discounting it with an appropriate market rate. A present value calculation allows investors to compare a bond's return with other bonds or investments, and to decide whether a particular bond is a good investment.

Bond valuation requires a few key investment parameters:

1. The Bond's Face Value: This is the total amount the bond issuer must repay on the maturity date.

2. The Coupon Rate: This is the annual rate of interest paid by the bond issuer, usually as part of the regular interest payments.

3. The Maturity: This is the date when the bond will be due for repayment (usually the face value).

4. The Discount Rate: This is the rate an investor would use to discount all future cash flows from the bond.

Using this information, an investor is able to compute the theoretical value of a bond that reflects the bond’s future cash flows. Generally, the higher the coupon rate and the lower the discount rate, the more the bond will be worth on the market.

In conclusion, bond valuation is a simple and effective tool that investors use to help them determine if a bond is a worthwhile investment. By calculating the present value of payments, premiums and discounts, as well as the expected rate of return of a similar risk investment, bond valuation gives investors an insight into the expected return from their investment. With this information, investors can make informed decisions on whether to invest in a particular bond or not.