The Treasury had aimed to sell between 3 billion and 4 billion euros of debt at the auction, the last scheduled sale of public debt this year.

The benchmark 10-year, due Oct 31, 2027, sold 1.2 billion euros at an average yield of 1.488 percent and a bid-to-cover, a measure of demand, of 2.0. That compared to an average yield of 1.410 when the bond last sold Dec. 7.

The Jan. 31, 2021 bond sold 1.0 billion euros at a yield of -0.005 percent, compared to -0.022 percent at the previous auction mid-November, and with demand outstripping supply by 2.3 times, after 2.6 times previously.

The July 31, 2032 bond sold 893.2 million euros at 1.943 percent and a bid-to-cover of 1.6, compared to 1.925 percent and 1.5 when it last sold in June.