Home > Personal > Personal Lending > Mortgage > Mortgage Resources > Glossary > Maturity Maturity November 9, 2021 The date on which the principal balance of a financial instrument becomes due and payable.You Might Also Like: Everyday MoneyDiscover the Power of Bank Five Nine’s Digital Banking Tools Everyday MoneyBeware of QR Code Fraud: What You Need to Know Everyday MoneyWinter Budgeting Tips: Simple Strategies to Stay Financially Cozy This Season Everyday MoneyUnderstanding and Maximizing Credit Card Rewards for Smart Financial Benefits Everyday MoneyProtecting Seniors from Financial Scams