Fannie Mae

Some respondents reprised calls for a return to more flexible capital rules and portfolio-level cross-subsidization. Others see danger in such a move.

The verdict ends a decade-long lawsuit over the Federal Housing Finance Agency's amendment to a stock repurchase agreement in 2012.

Fannie Mae and Freddie Mac can likely withstand potential credit losses twice as high as last year's in the latest scenario, but they are at more risk of slipping into the red.

The move was "not being driven by fundamental credit, capital or liquidity deterioration at the firms," the firm said.

But the government-sponsored enterprise is still concerned about the fiscal health of its lender counterparties as volumes are down considerably from last year.

The nearly 8% growth on a seasonally adjusted annualized basis is well above the historical average, according to the government-sponsored enterprise.

A vast majority of the pool, 86.35%, consists of primary homes. Investment properties and secondary homes, meanwhile, account for 11.29% and 2.36% of the collateral.

Researchers at the government-sponsored enterprise also maintained their outlook for a modest recession but moved anticipated onset to the fourth quarter this year.

Fee hikes at the government-sponsored enterprises are one remedy, the government-sponsored enterprise's regulator noted in its annual report to Congress.

The government-sponsored enterprise's chief executive managing the issue is looking at how things like roof pitch can mitigate the impact of natural disasters on homes.