On a week where the mortgage market was most likely to experience volatility due to Friday's jobs report, Thursday afternoon's surprise announcement of $200bln in GSE MBS (mortgage-backed securities) buying stole the show. This was already juicing the underlying MBS market yesterday afternoon, but traders took the surge to the next level this morning. This matters because MBS dictate mortgage rates. When MBS are rising/improving/surging/etc., it implies lower rates. MBS had improved so much this morning that the average lender released their best rate sheet since Feb 2, 2023--the lowes...
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