Trading above the 10.40 level since August 2009, almost 5 years, Vanguard's short term bond index fund VBISX is currently priced at 10.55, a premium of 1.44%. The average annual return for the last three years through April has been 1.53% according to Vanguard. Current assets total $35.7 billion.
Trading above the 11.00 level since May 2010, 4 years, Vanguard's intermediate term bond index fund VBIIX is currently priced at 11.48, a premium of 4.36%. The average annual return for the last three years through April has been 4.92% according to Vanguard. Current assets total $14.7 billion.
Trading above the 12.00 level since April 2011, 3 years, Vanguard's long term bond index fund VBLTX is currently priced at 13.55, a premium of 12.92%. The average annual return for the last five years through April has been 9.73% according to Vanguard. Current assets total just $6.5 billion.
Trading above 10.50 since April 2010, 4 years, Vanguard's total bond market index fund VBMFX is currently priced at 10.83, a premium of 3.14%. The average annual return for the last three years through April has been 3.41% according to Vanguard. Current assets total a whopping $113.6 billion.