Heading into the 5pm "RATE SHEETS ARE UNCHANGED" marking period, rate sheet influential MBS coupons have given back a portion of their early afternoon, yield curve driven price appreciations.
The 10yr TSY note yield has risen to 3.33%, the FN 4.0 is currently +0-11 at 98-25 yielding 4.1276% while the FN 4.5 is trading +0-09 at 101-06 yielding 4.356%. The secondary market current coupon is 4.2304%.
The FN 4.5 has settled near the middle of the intraday range...(and fell a tick while I was writing)