Bond

bond-rating agency
An overview of bond-rating agencies, their definitions, functions, and examples.
Perpetual Bond
An irredeemable bond that pays interest indefinitely.
Put Bond
A put bond, also known as a retractable bond, allows the bondholder to force the issuer to repurchase the bond at specified dates before maturity.
Redemption Yield
The interest rate that equates the present value of interest receipts and principal repayments with the market price of a security when held to maturity.