A bond call is a feature that allows the issuer to repay and retire its bonds before the maturity date. This is often done when interest rates decline, enabling the issuer to refinance at a lower cost.
Callable Bond: A type of bond that can be redeemed by the issuer before its maturity date.
Call Protection Period: A pre-defined period during which a callable bond cannot be called by the issuer.
Reinvestment Risk: The risk that proceeds from a called bond will be reinvested at a lower interest rate.