...S&P Global Ratings assigned its '###/A-1+' dual rating to Colorado Housing & Finance Authority's (CHFA) class I 2020 series F-2 adjustable rate single-family mortgage bonds (SFMB). The outlook is stable. The 2020 series F-2 bonds are being issued as variable-rate demand obligations, with a preliminary par amount of $40.925 million, and will receive enhancement in the form of a standby bond purchase agreement (SBPA) from the Federal Home Loan Bank of Topeka. The long-term component of the rating reflects CHFA's class I SFMB credit characteristics. The 'A-1+' short-term component of the rating reflects the liquidity facility in the form of the SBPA with the Federal Home Loan Bank of Topeka, effective date of July 30, 2020. The SBPA will cover principal and 186 days' interest at a maximum 12% annual rate for the purchase price of bonds that are not successfully remarketed. The SBPA provides coverage for the bonds during the weekly, daily, and term mode ('covered modes'). The SBPA is due to...