Credit Spread Calculator - Bond Yield Difference in BPS

The credit spread calculator measures how much extra yield a riskier bond offers over a safer reference, usually a government or swap curve of similar maturity. Credit spread in percent is higher yield minus lower yield. Spread in basis points is that difference times 100, because one basis point is 0.01 percentage point. A corporate yield of 6.50% versus a 4.20% Treasury is a 2.30% spread, or 230 basis points. Traders quote most credit products in basis points, so both units are shown. A wider spread can mean more compensation for default risk, lower liquidity, or a different duration and embedded option. A tighter spread can mean a stronger credit, a hunt for yield, or a mismatch in maturity. The credit spread calculator does not duration-match the two bonds; it subtracts the yields you enter. For a clean comparison, use yields of similar maturity and the same compounding convention, such as two yield-to-maturity figures or two option-adjusted spreads already computed elsewhere. Portfolio managers watch spreads to decide whether credit is cheap versus history. Corporate treasurers watch them when pricing new issuance. Students use the conversion to learn why 25 basis points is a quarter of a percent. Change one yield at a time to see how a rally in Treasuries or a selloff in corporates moves the spread without any change in the other market. Caveats: yield differences also embed tax treatment, call features, and currency. A municipal-to-Treasury comparison is not a pure credit spread. Negative spreads can appear if the "higher" yield is actually lower; swap the inputs or read the sign as an inversion. Confirm quotes from the same date and time. Used as a quick quote check, the credit spread calculator makes percentage-point and basis-point language consistent. Record both yields and the quote time so a later widening or tightening can be compared with the same pair of instruments.