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Methodology

Commonwealth of Massachusetts

MA-ST AA+
4 bonds Maturities 2028–2056 Yield 3.68%–4.36% GO
Yield by maturity, % as of Oct 15, 2026
Commonwealth of Massachusetts indicative yield to maturity by maturity, in percent (model), as of Oct 15, 2026: 2-year 3.68%, 5-year 3.82%, 10-year 4.01%, 30-year 4.36%. U.S. Treasury par curve: 2-year 4.77%, 5-year 4.91%, 10-year 5.10%, 30-year 5.43%.3.68%4.36%2Y30Y
MA-ST, indicative YTM, pre-tax (model) U.S. Treasury par
Representative sample. These bonds illustrate Commonwealth of Massachusetts's curve; full per-CUSIP coverage and real last-trade prices require a market-data feed. Prices are indicative (Treasury curve + our model credit spread for the rating), not market quotes. See Methodology.
BondCoupon Maturity Yield (YTM) Rating Spread model Price indic. Duration
MA-ST 3.00% ’28
General obligation
 3.00% Oct 15, 2028 3.68% AA+ -108 bp 98.704 1.9 yr
MA-ST 3.25% ’31
General obligation
 3.25% Oct 15, 2031 3.82% AA+ -108 bp 97.446 4.6 yr
MA-ST 3.50% ’36
General obligation
 3.50% Oct 15, 2036 4.01% AA+ -104 bp 95.798 8.3 yr
MA-ST 4.00% ’56
General obligation · callable
 4.00% Oct 15, 2056 4.36% callable AA+ -102 bp 94.077 17.0 yr

Bond identity is shown as issuer-coupon-maturity shorthand (e.g. MA-ST 4¾ ’34), not a CUSIP, because CUSIP display requires a separate licence. Yields are indicative; a high spread reflects our model's credit-risk assumption for the rating, not a market-observed level.