The Treasury Department sold $13 billion of inflation-indexed 9-year 8-month TIPs at a negative 0.225% yield, an adjusted price of 104.272695, with a 1/8% coupon.
The bid-to-cover ratio was 2.52.
Tenders at the market-clearing yield were allotted 27.28%.
The notes are dated Jan. 15 and are due Jan. 15, 2023.
Among competitive tenders, the median yield was negative 0.301% and the low yield negative 0.400%, Treasury said.
Tenders totaled $32,732,269,400 of which the Treasury accepted $13,000,009,400. Noncompetitive tenders totaled $29,799,400. Fed banks bought nothing for their own accounts.