Rates on 30-year new purchase mortgages dropped for a fifth day Thursday, slipping another 3 basis points to create a week-long decline of 23 points. The current average of 6.60% establishes a new low point for this year, with the last time rates were cheaper being two weeks before Christmas.

Trump could order the Treasury Department to start buying mortgage-backed securities, like when the Federal Reserve bought roughly $1.45 trillion of MBSs during the Great Recession. That was popularly known as quantitative easing. Buying MBS can reduce mortgage rates by increasing competition and increasing mortgage market liquidity.

These are today's mortgage and refinance rates. Mortgage rates are the lowest they've been since December, but it's unclear where they'll go next.