Yields on Fannie Mae and Freddie Mac mortgage securities rose to the highest level since the end of last year, after the conclusion Wednesday of the Federal Reserve's unprecedented purchase of the debt.

Yields on Fannie Mae's current-coupon 30-year fixed-rate mortgage bonds climbed 0.03 percentage point to 4.55% Thursday morning, the highest since Dec. 31, according to data compiled by Bloomberg News. The move tracked an advance in yields on benchmark government notes after a report showed initial jobless claims dropped.

Subscribe Now

Access to authoritative analysis and perspective and our data-driven report series.

14-Day Free Trial

No credit card required. Complete access to articles, breaking news and industry data.