The Treasury sold more than its planned mid-range target of between 4 billion and 5 billion euros.
Spain sold 1.6 billion euros of the shorter-dated bond, due Oct. 31 2017, which was 3.0 times subscribed compared to 3.8 times at its last auction on March 5. The two-year bond sold for an average yield of 0.133 percent after hitting 0.180 percent last month.
The Treasury sold 1.8 billion euros of the 4.65 percent 10-year bond, due July 30 2025, at an average yield of 1.229 percent.
The paper, which had previously served as a 15-year benchmark, was last auctioned in December 2010.
Compared with an April 30, 2025 bond with a 1.6 percent coupon, last auctioned on March 12, yields were slightly higher. They had hit a low of 1.023 percent hit at that sale.
The Treasury sold 1.28 billion euros of the longest-dated bond, due Oct 31, 2044, at an average yield of 2.068 percent, compared to 2.495 percent on its last outing on Feb 5. Demand outstripped the offer by 1.4 times, compared to 1.2 times last time.