S&P Global Ratings assigned its 'AAA/A-1' rating to Colorado Housing&Finance Authority's (CHFA) 2021 series M-2 (federally taxable) single family mortgage class I adjustable-rate bonds. The outlook is stable. The class I 2021 series M-2 adjustable-rate bonds are being offered with the authority's class I fixed-rate single family mortgage rate bonds, series K, L, and M-1, which we rated separately on Oct. 5, 2021. For more information on CHFA and the single-family mortgage 2021 series K, L, and M-1 bonds, see our analysis, published Oct. 5, 2021, on RatingsDirect. The series 2021 M-2 class I bonds are being issued as special obligations of the authority, payable solely from the revenues, assets, and money pledged under the master indenture (dated