The Treasury Department Thursday auctioned $13 billion of 29-year 11-month bonds with a 2 3/4% coupon at a 2.917% high yield, a price of 96.679626.
The bid-to-cover ratio was 2.50.
Tenders at the high yield were allotted 4.55%.
The median yield was 2.855%. The low yield was 2.809%.
Tenders totaled $32,440,681,400 and the Treasury accepted $13,000,003,900 including $10,441,400 non-competitive.
The Fed banks also bought nothing for their own account in exchange for maturing securities.
The bonds dated Nov. 15, 2012, will mature Nov. 15, 2042.