IBank issues four types of bonds and the criteria and eligibility for each are described below. The San Diego Housing Commission (SDHC) offers deferred-payment loans and homeownership grants to help low- and moderate-income families buy their first homes.Banks and credit unions can redeem savings bonds over the counter. Find out more about becoming an agent and redeeming savings bonds. The California Debt and Investment Advisory Commission (CDIAC) provides information, education, and technical assistance on debt issuance and public. Banks and credit unions can redeem savings bonds over the counter. Find out more about becoming an agent and redeeming savings bonds. How does changing interest rates affect bond yield and prices? Explore bond investing strategies for different market environments. In general, bond prices rise when interest rates fall and vice versa.