MBS Weekly Market Commentary Week Ending 3/31/23
The market reaction went a little “too far, too fast” in regard to the Fed policy pivot. We witnessed the coupon stack (i.e., the price spread between TBA coupons) decompress in more than a trivial manner in a short period. However, the primary mortgage market has been largely reluctant to follow the Treasury rally, and mortgage rates have ultimately not dropped by the same amount as Treasury yields.