All charts and data below are CPI-U inflation-adjusted and with dividends reinvested. (Why?)

Total Real Returns

VFISX: Total Real Return Chart (Dividends Reinvested, Inflation Adjusted)

VFISX real return snapshot: after CPI-U inflation, VFISX returned −1.25% over the past year and −3.05% YTD, with dividends reinvested. Since Dec. 5, 1991, VFISX is up +30.06% in real purchasing-power return, or +0.76%/yr, and is currently −20.14% below its real total-return high on Nov. 4, 2010.

Data ending Thu Jul. 2, 2026

Thu 1991-12-05💬 to Thu 2026-07-02 YTD
Return 		1 Year
Return
VFISX × 		−3.05%
2026-07-02 		−1.25%
2026-07-02
Vanguard Short-Term Treasury Fund Investor Shares Mutual Fund

Returns

Thu 1991-12-05💬 to Thu 2026-07-02 Overall
Return 		Exponential
Trendline
VFISX × 		+30.06%
+0.76%/yr 		+0.81%/yr
(R2=0.362)
Vanguard Short-Term Treasury Fund Investor Shares Mutual Fund

Growth of $10,000

Thu 1991-12-05💬 to Thu 2026-07-02 Start
Value 		End
Value
VFISX × 		$10,000.00
1991-12-05 		$13,005.56
2026-07-02
Vanguard Short-Term Treasury Fund Investor Shares Mutual Fund

Annual Returns

Year VFISX
2026 (YTD) −3.05%
2025 +2.61%
2024 +0.84%
2023 +0.18%
2022 −10.50%
2021 −7.36%
2020 +2.56%
2019 +1.28%
2018 −0.54%
2017 −1.76%
2016 −0.93%
2015 −0.27%
2014 −0.04%
2013 −1.57%
2012 −1.02%
2011 −0.68%
2010 +1.02%
2009 −1.22%
2008 +6.60%
2007 +3.65%
2006 +1.23%
2005 −1.59%
2004 −2.15%
2003 +0.55%
2002 +5.36%
2001 +6.20%
2000 +5.29%
1999 −0.61%
1998 +5.69%
1997 +4.66%
1996 +1.07%
1995 +9.36%
1994 −3.23%
1993 +2.68%
1992 +3.34%
1991 +1.30%

Drawdowns

Thu 1991-12-05💬 to Thu 2026-07-02 Current
Drawdown 		Worst
Drawdown
VFISX × 		−20.14%
from 2010-11-04 peak 		−23.25%
2023-09-27
from 2010-11-04 peak
Vanguard Short-Term Treasury Fund Investor Shares Mutual Fund

Rolling Returns

Period ending Thu 2026-07-02 1
Year 		2
Years 		3
Years 		5
Years 		10
Years
VFISX × 		−1.25% +1.75%
+0.87%/yr 		+2.82%
+0.93%/yr 		−12.87%
−2.72%/yr 		−16.12%
−1.74%/yr
Vanguard Short-Term Treasury Fund Investor Shares Mutual Fund