Yield to Worst is the lowest yield produced by the permitted redemption outcomes of a bond, assuming the issuer does not default.
Why Yield to Worst matters in bond markets
It is widely used for callable bonds because the highest-price outcome for the investor may not be the most likely redemption path.
How to think about it
Bond investors use yield to worst as part of a wider framework that links prices, yields, cash flows, liquidity and risk. The concept should therefore be read together with its related terms rather than as an isolated definition.
Yes. It is widely used for callable bonds because the highest-price outcome for the investor may not be the most likely redemption path.