VFIRX vs. VFSUX
VFIRX (Vanguard Short-Term Treasury Fund Admiral Shares) and VFSUX (Vanguard Short-Term Investment-Grade Fund Admiral Shares) are both mutual funds - VFIRX is a Government Bonds fund managed by Vanguard, while VFSUX is a Total Bond Market fund managed by Vanguard. Over the past 10 years, VFIRX returned 1.71%/yr vs 2.64%/yr for VFSUX. A 0.79 correlation means they provide meaningful diversification when combined. Both charge a 0.10% expense ratio.
Performance
VFIRX vs. VFSUX - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, VFIRX achieves a 0.44% return, which is significantly lower than VFSUX's 0.82% return. Over the past 10 years, VFIRX has underperformed VFSUX with an annualized return of 1.71%, while VFSUX has yielded a comparatively higher 2.64% annualized return.
VFIRX
- 1D
- -0.10%
- 1M
- 0.12%
- YTD
- 0.44%
- 6M
- 0.65%
- 1Y
- 3.58%
- 3Y*
- 4.12%
- 5Y*
- 1.51%
- 10Y*
- 1.71%
VFSUX
- 1D
- 0.00%
- 1M
- 0.31%
- YTD
- 0.82%
- 6M
- 1.11%
- 1Y
- 4.80%
- 3Y*
- 5.63%
- 5Y*
- 2.41%
- 10Y*
- 2.64%
VFIRX vs. VFSUX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VFIRX Vanguard Short-Term Treasury Fund Admiral Shares | 0.44% | 5.47% | 3.85% | 3.66% | -4.61% | -0.80% | 4.06% | 3.71% | 1.47% | 0.40% |
VFSUX Vanguard Short-Term Investment-Grade Fund Admiral Shares | 0.82% | 6.87% | 5.08% | 6.17% | -5.75% | -0.62% | 5.26% | 5.85% | 0.98% | 2.13% |
Correlation
The correlation between VFIRX and VFSUX is 0.85, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.85 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.88 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.87 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.81 |
Correlation (All Time) Calculated using the full available price history since Feb 14, 2001 | 0.79 |
The correlation between VFIRX and VFSUX has been stable across timeframes, ranging from 0.79 to 0.88 - a consistent structural relationship.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
VFIRX vs. VFSUX — Risk / Return Rank
VFIRX
VFSUX
VFIRX vs. VFSUX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Short-Term Treasury Fund Admiral Shares (VFIRX) and Vanguard Short-Term Investment-Grade Fund Admiral Shares (VFSUX). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
| VFIRX | VFSUX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.39 | ||
| Sortino ratioReturn per unit of downside risk | -0.76 | ||
| Omega ratioGain probability vs. loss probability | 1.35 | 1.47 | -0.12 |
| Calmar ratioReturn relative to maximum drawdown | 2.49 | 2.83 | -0.34 |
| Martin ratioReturn relative to average drawdown | 8.39 | 11.18 | -2.79 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading charts...
Sharpe Ratios by Period
| VFIRX | VFSUX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.68 | 2.08 | -0.39 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.57 | 0.81 | -0.24 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.81 | 1.06 | -0.26 |
Sharpe Ratio (All Time)Calculated using the full available price history | 1.16 | 1.35 | -0.19 |
Drawdowns
VFIRX vs. VFSUX - Drawdown Comparison
The maximum VFIRX drawdown since its inception was -6.73%, smaller than the maximum VFSUX drawdown of -9.24%. Use the drawdown chart below to compare losses from any high point for VFIRX and VFSUX.
Loading charts...
Drawdown Indicators
| VFIRX | VFSUX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -6.73% | -9.24% | +2.51% |
Max Drawdown (1Y)Largest decline over 1 year | -1.40% | -1.71% | +0.31% |
Max Drawdown (3Y)Largest decline over 3 years | -1.40% | -1.71% | +0.31% |
Max Drawdown (5Y)Largest decline over 5 years | -6.73% | -9.24% | +2.51% |
Max Drawdown (10Y)Largest decline over 10 years | -6.73% | -9.24% | +2.51% |
Current DrawdownCurrent decline from peak | -0.56% | -0.23% | -0.33% |
Average DrawdownAverage peak-to-trough decline | -0.71% | -0.87% | +0.16% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.42% | 0.43% | -0.01% |
Volatility
VFIRX vs. VFSUX - Volatility Comparison
The current volatility for Vanguard Short-Term Treasury Fund Admiral Shares (VFIRX) is 0.61%, while Vanguard Short-Term Investment-Grade Fund Admiral Shares (VFSUX) has a volatility of 0.75%. This indicates that VFIRX experiences smaller price fluctuations and is considered to be less risky than VFSUX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| VFIRX | VFSUX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.61% | 0.75% | -0.14% |
Volatility (6M)Calculated over the trailing 6-month period | 1.50% | 1.66% | -0.16% |
Volatility (1Y)Calculated over the trailing 1-year period | 2.08% | 2.33% | -0.25% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 2.68% | 2.99% | -0.31% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 2.12% | 2.49% | -0.37% |
VFIRX vs. VFSUX - Expense Ratio Comparison
Both VFIRX and VFSUX have an expense ratio of 0.10%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.
Dividends
VFIRX vs. VFSUX - Dividend Comparison
VFIRX's dividend yield for the trailing twelve months is around 3.85%, less than VFSUX's 4.72% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VFIRX Vanguard Short-Term Treasury Fund Admiral Shares | 3.85% | 3.99% | 4.49% | 4.07% | 2.03% | 0.60% | 2.30% | 2.49% | 2.21% | 1.25% | 1.28% | 0.93% |
VFSUX Vanguard Short-Term Investment-Grade Fund Admiral Shares | 4.72% | 4.59% | 4.16% | 3.14% | 2.03% | 1.79% | 2.34% | 2.92% | 2.79% | 2.11% | 2.14% | 2.09% |
Frequently Asked Questions
VFIRX and VFSUX have a correlation of 0.85, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
VFSUX has higher volatility (0.75%) compared to VFIRX (0.61%). In terms of maximum drawdown, VFIRX dropped -6.73% vs VFSUX's -9.24%.
VFSUX currently has the higher Sharpe Ratio (2.08 vs 1.68), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
Find the right allocation for VFIRX and VFSUX
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer