Eight bidders bought 10-year bonds worth 1 trillion VND at an annual interest rate of 4.72 percent, equivalent to that of the previous sale on May 8.
The 15-year bonds were purchased by seven bidders for 1 trillion VND, yielding 5.06 percent each year, the same as in the May 8 auction.
Bonds with 30-year maturity raised 400 billion VND with an annual rate of 5.88 percent, 0.03 percent higher than that of the May 2 auction.
Meanwhile, five-year bonds worth 500 billion VND went unsold.
Since early this year, the State Treasury has raised nearly 88 trillion VND via government bond auctions at the HNX.