All charts and data below are CPI-U inflation-adjusted and with dividends reinvested. (Why?)
VFISX real return snapshot: after CPI-U inflation, VFISX returned −0.50% over the past year and −2.29% YTD, with dividends reinvested. Since Dec. 5, 1991, VFISX is up +31.09% in real purchasing-power return, or +0.78%/yr, and is currently −19.51% below its real total-return high on Nov. 4, 2010.
Data ending Tue Aug. 18, 2026
| Thu 1991-12-05💬 to Tue 2026-08-18 |
Overall
Return |
Exponential
Trendline |
||||
|---|---|---|---|---|---|---|
| VFISX × |
+31.09%
+0.78%/yr |
+0.80%/yr
R2=0.355 |
||||
| Vanguard Short-Term Treasury Fund Investor Shares Mutual Fund | ||||||
| Thu 1991-12-05💬 to Tue 2026-08-18 |
Start
Value |
End
Value |
|---|---|---|
| VFISX × |
$10,000.00
1991-12-05 |
$13,108.67
2026-08-18 |
| YTD | YoY | |
|---|---|---|
| VFISX × | −2.29% | −0.50% |
|
Current
Drawdown |
Worst
Drawdown |
|
|---|---|---|
| VFISX × |
−19.51%
on 2026-08-18 from 2010-11-04 peak |
−23.25%
on 2023-09-27 from 2010-11-04 peak |
| Period ending Tue 2026-08-18 | 1 yr | 2 yr | 3 yr | 5 yr | 10 yr |
|---|---|---|---|---|---|
| VFISX × | −0.50% |
+0.79% +0.39%/yr |
+4.06% +1.34%/yr |
−11.71% −2.46%/yr |
−15.46% −1.67%/yr |
| Year | VFISX |
|---|---|
| 2026 (YTD) | −2.29% |
| 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 | +6.21% |
| 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% |
