This is more of a heads-up than a true "alert." MBS are now unchanged on the day and down an eighth of a point from AM highs. Some lenders priced during those highs and the jumpiest among them could technically justify a small negative reprice. Not likely, but not impossible.
10yr yields are up half a bp at 4.463.
There's no new news driving this move, just the same gradual selling over the past few hours finally adding up.
