The Federal Housing Finance Agency will soon unveil capital rules for private mortgage insurers, introducing a risk-based standard based on loan-to-value ratios and other factors, while requiring parent companies to pledge assets to their MI subsidiaries if necessary, according to officials close to the matter. “Financial strength will be measured by comparing insured risk, on a risk-adjusted basis, against available assets,” said one official commenting under the condition he not be identified. The phrase “available assets” is key because it portends that liquidity must reside at the MI level and not at an affiliate of a parent company. It’s...