Credit, default or repayment risk is the exposure faced by a lender or creditor that the borrower will not repay an obligation as promised.

Interest rate risk is the possibility of a change in the price of a fixed income security which results from changes in market interest rates.

Reinvestment rate risk is part of interest rate risk. Reinvestment rate risk results from uncertainty about the rate at which future interest coupons can be reinvested.

Inflation risk is the likelihood that the real return of the fixed-income investment will be less than the nominal (dollar) return. Inflation risk is referred to as the risk of unanticipated increases in future inflation.

Maturity risk indicates that the further into the future an investor goes in purchasing a long-term security, the more risk there is in the investment, other factors being equal.

Call risk to a bondholder is the probability that higher coupon bonds will have to be sold back to the issuer.