A bond covenant is a legally binding term of an agreement between a bond issuer and a bondholder, designed to protect the interests of both parties. Start your journey toward a thriving tech career with our tuition-free training programs.If the bond price goes up, the interest rate—or cost of the loan—goes down. Supply and demand in the bond market. Initiating the goals set out in the long-term strategic plan and a reinvestment strategy for the future quality of life in the community. Contributions are automatically invested in the Vanguard Total Bond Market Index Fund.