The US Treasury's 20-year auction hit a high yield of 5.163% on Wednesday, up from the 4.927% high in the previous auction.
The bid to cover ratio for the auction was 2.64, below the 2.75 ratio in the previous auction.
Dealers represented 55.36% of the bids, with direct bidders at 9.77% and indirect bidders at 34.88%.
For takedown, dealers took 14.67%, with direct bidders at 16.21% and indirect bidders at 69.12%.