...S&P Global Ratings assigned its '###/A-1+' rating to Colorado Housing & Finance Authority' s (CHFA) class I 2019 series D single-family mortgage adjustable rate bonds. We also affirmed our ratings on CHFA's outstanding class I and class II bonds. The outlook, where applicable, is stable. The authority plans to issue class I fixed-rate 2019 series E single-family mortgage bonds, which we have rated separately. More information about those series can be found here. The 2019 Series D bonds are being issued as variable-rate demand obligations and will receive enhancement in the form of a standby-bond purchase agreement (SBPA) from Royal Bank of Canada, acting through its New York Branch. The long-term component of the rating reflects CHFA's credit characteristics. The ' A-1+ ' short-term component of the rating reflects the liquidity facility in the form of a SBPA provided by Royal Bank of Canada, acting through its New York Branch, effective April 17, 2019. The SBPA will cover principal and...