The rate of return required by investors in the market for owning a bond is called the:

A) Coupon.
B) Face value.
C) Maturity.
D) Yield to maturity.
E) Coupon rate.

The rate of return required by investors in the market for owning a bond is referred to as the Yield to Maturity (YTM). This rate reflects the total return expected on a bond if it is held until its maturity date, including all coupon payments and the repayment of the bond's face value.