What is maturity? Maturity refers to the date in which the financial instrument (be it a deposit, foreign exchange spot, forward transaction, interest rate and commodity swap, options, loans and fixed income instruments such as bonds) ends. At this point it must either be renewed or it will cease to exist. The end date will typically trigger the repayment of the financial instrument. Some financial instruments, deposits and loans for example, require repayment of principal and interest at maturity; other, such as foreign exchange transactions provide for the delivery of a commodity. Interest rate swaps consist of a series of cash flows with the final one occurring at maturity. What is a maturity date? The maturity date refers to the moment within a period in which the principal of a fixed income instrument must be repaid to an investor. The maturity date is used to classify bonds into three main categories: short-term (one to three years), ...