VSIGX
$19.24-0.52%
as of close, Nov 12, 2026
Priced once a day, after the closeVanguard Intermediate-Term Treasury Index Fund Admiral SharesMutual fund · Bond Funds
Vanguard Intermediate-Term Treasury Index Fund Admiral Shares monthly returns
Vanguard Intermediate-Term Treasury Index Fund Admiral Shares has averaged 0.04% a month with dividends reinvested, and risen in 51% of months, through November 12, 2026. The table lists the most recent months; the chart, the last 5 years.
Average month
+0.0%
87 months
Best month
+3.1%
Mar 2023
Worst month
-3.3%
Sep 2022
Positive months
51%
of all months
Month by month#
Data provided bySource: Twelve Data| Month | Path | Total return |
|---|---|---|
| Nov 2026 | -1.3% | |
| Oct 2026 | +2.2% | |
| Sep 2026 | -2.3% | |
| Aug 2026 | +0.1% | |
| Jul 2026 | -0.7% | |
| Jun 2026 | +0.2% | |
| May 2026 | -0.1% | |
| Apr 2026 | -0.0% | |
| Mar 2026 | -1.7% | |
| Feb 2026 | +1.7% | |
| Jan 2026 | -0.1% | |
| Dec 2025 | -0.2% | |
| Nov 2025 | +0.8% | |
| Oct 2025 | +0.5% | |
| Sep 2025 | +0.3% | |
| Aug 2025 | +1.5% | |
| Jul 2025 | -0.4% | |
| Jun 2025 | +1.2% | |
| May 2025 | -0.8% | |
| Apr 2025 | +1.2% | |
| Mar 2025 | +0.5% | |
| Feb 2025 | +2.0% | |
| Jan 2025 | +0.5% | |
| Dec 2024 | -1.1% | |
| Nov 2024 | +0.7% | |
| Oct 2024 | -2.4% | |
| Sep 2024 | +1.1% | |
| Aug 2024 | +1.2% | |
| Jul 2024 | +2.4% | |
| Jun 2024 | +1.0% | |
| May 2024 | +1.4% | |
| Apr 2024 | -2.0% | |
| Mar 2024 | +0.5% | |
| Feb 2024 | -1.5% | |
| Jan 2024 | +0.2% | |
| Dec 2023 | +2.7% | |
| Nov 2023 | +3.1% | |
| Oct 2023 | -0.9% | |
| Sep 2023 | -1.7% | |
| Aug 2023 | -0.2% | |
| Jul 2023 | -0.1% | |
| Jun 2023 | -1.2% | |
| May 2023 | -1.0% | |
| Apr 2023 | +0.7% | |
| Mar 2023 | +3.1% | |
| Feb 2023 | -2.4% | |
| Jan 2023 | +2.4% | |
| Dec 2022 | -0.8% | |
| Nov 2022 | +2.5% | |
| Oct 2022 | -0.7% | |
| Sep 2022 | -3.3% | |
| Aug 2022 | -2.9% | |
| Jul 2022 | +2.0% | |
| Jun 2022 | -0.8% | |
| May 2022 | +0.7% | |
| Apr 2022 | -2.4% | |
| Mar 2022 | -3.3% | |
| Feb 2022 | -0.5% | |
| Jan 2022 | -1.6% | |
| Dec 2021 | -0.4% | |
| Nov 2021 | +0.4% | |
| Oct 2021 | -0.7% | |
| Sep 2021 | -1.0% | |
| Aug 2021 | -0.3% | |
| Jul 2021 | +1.2% | |
| Jun 2021 | +0.0% | |
| May 2021 | +0.4% | |
| Apr 2021 | +0.6% | |
| Mar 2021 | -1.1% | |
| Feb 2021 | -1.4% | |
| Jan 2021 | -0.4% | |
| Dec 2020 | -0.0% | |
| Nov 2020 | +0.2% | |
| Oct 2020 | -0.7% | |
| Sep 2020 | +0.1% | |
| Aug 2020 | -0.3% | |
| Jul 2020 | +0.5% | |
| Jun 2020 | +0.2% | |
| May 2020 | +0.3% | |
| Apr 2020 | +0.3% | |
| Mar 2020 | +2.7% | |
| Feb 2020 | +2.1% | |
| Jan 2020 | +2.2% | |
| Dec 2019 | -0.3% | |
| Nov 2019 | -0.4% | |
| Oct 2019 | +0.3% | |
| Sep 2019 | -0.7% | |
| Aug 2019since Aug 1 | +1.7% |
Monthly total return (since Dec 2021)#
−6%−4%−2%0%2%4%6%
Dec 2021-0.38%
Jan 2022-1.6%
Feb 2022-0.5%
Mar 2022-3.3%
Apr 2022-2.4%
May 2022+0.74%
Jun 2022-0.84%
Jul 2022+2.0%
Aug 2022-2.9%
Sep 2022-3.3%
Oct 2022-0.74%
Nov 2022+2.5%
Dec 2022-0.76%
Jan 2023+2.4%
Feb 2023-2.4%
Mar 2023+3.1%
Apr 2023+0.7%
May 2023-1.0%
Jun 2023-1.2%
Jul 2023-0.09%
Aug 2023-0.18%
Sep 2023-1.7%
Oct 2023-0.88%
Nov 2023+3.1%
Dec 2023+2.7%
Jan 2024+0.18%
Feb 2024-1.5%
Mar 2024+0.5%
Apr 2024-2.0%
May 2024+1.4%
Jun 2024+1.0%
Jul 2024+2.4%
Aug 2024+1.2%
Sep 2024+1.1%
Oct 2024-2.4%
Nov 2024+0.66%
Dec 2024-1.1%
Jan 2025+0.53%
Feb 2025+2.0%
Mar 2025+0.53%
Apr 2025+1.2%
May 2025-0.77%
Jun 2025+1.2%
Jul 2025-0.37%
Aug 2025+1.5%
Sep 2025+0.31%
Oct 2025+0.51%
Nov 2025+0.8%
Dec 2025-0.22%
Jan 2026-0.1%
Feb 2026+1.7%
Mar 2026-1.7%
Apr 2026-0.02%
May 2026-0.13%
Jun 2026+0.18%
Jul 2026-0.74%
Aug 2026+0.08%
Sep 2026-2.3%
Oct 2026+2.2%
Nov 2026-1.3%
20222022Jul2023Jul2024Jul2025Jul2026JulVanguard Intermediate-Term Treasury Index Fund Admiral Shares returns by calendar month#
Every month of every year since 2019, one tick per year on a shared scale; the dark bar is the month's average. Total returns, dividends reinvested.
November 2026 so far: -1.33% — 8th of 8 Novembers since 2019 at the last close; the average November returned +1.0%.
| Month | −5%0+5% | Average | Median | Up | Best | Worst |
|---|---|---|---|---|---|---|
| Jan | +0.5% | +0.2% | 57% | +2.4% 2023 | -1.6% 2022 | |
| Feb | -0.0% | -0.5% | 43% | +2.1% 2020 | -2.4% 2023 | |
| Mar | +0.1% | +0.5% | 57% | +3.1% 2023 | -3.3% 2022 | |
| Apr | -0.2% | +0.3% | 57% | +1.2% 2025 | -2.4% 2022 | |
| May | +0.1% | +0.3% | 57% | +1.4% 2024 | -1.0% 2023 | |
| Jun | +0.1% | +0.2% | 71% | +1.2% 2025 | -1.2% 2023 | |
| Jul | +0.7% | +0.5% | 57% | +2.4% 2024 | -0.7% 2026 | |
| Aug | -0.1% | -0.2% | 43% | +1.5% 2025 | -2.9% 2022 | |
| Sep | -0.9% | -0.8% | 38% | +1.1% 2024 | -3.3% 2022 | |
| Oct | -0.3% | -0.7% | 38% | +2.2% 2026 | -2.4% 2024 | |
| Nov | +1.0% | +0.7% | 86% | +3.1% 2023 | -0.4% 2019 | |
| Dec | -0.0% | -0.3% | 14% | +2.7% 2023 | -1.1% 2024 |
Methodology#
Monthly returns are total returns (dividends reinvested), computed from VSIGX's split- and dividend-adjusted month-end closes. The table shows the most recent 120 months and the bar chart the most recent 60. See the year-by-year returns for the annual view. Past performance does not predict future returns; not investment advice.
FAQ#
- What is Vanguard Intermediate-Term Treasury Index Fund Admiral Shares's average monthly return?
- Vanguard Intermediate-Term Treasury Index Fund Admiral Shares has averaged about 0.04% per month (dividends reinvested), positive in roughly 51% of months. The best month was Mar 2023 (+3.1%) and the worst was Sep 2022 (-3.3%).
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