redemption period; repayment term
Financial term for the period over which a bond, loan, or other debt is scheduled to be repaid or redeemed.
The redemption period for this bond is 10 years.
The longer the repayment term, the higher the risk from interest rate fluctuations.
償還 means 'redemption' or 'repayment' itself, while 償還期間 specifies the time period for that redemption.
返済期間 is a more general term for 'repayment period' often used for loans, whereas 償還期間 is more common in bond and securities contexts.
Compound of 償還 (redemption, repayment) and 期間 (period, term).