Understanding accrued interest is crucial for accurately determining the cost or value of financial instruments. Investors need to account for accrued interest when buying or selling fixed-income securities. Lenders rely on accrued interest calculations to manage loan repayments and interest income. It also plays a role in financial statements, affecting reported earnings and tax liabilities. Properly managing accrued interest ensures compliance with accounting standards and fair financial assessments. Track accrued interest regularly to ensure accurate financial records.