VGSH vs. DFAI
VGSH (Vanguard Short-Term Treasury ETF) and DFAI (Dimensional International Core Equity Market ETF) are both exchange-traded funds - VGSH is a Government Bonds fund tracking the Bloomberg U.S. Treasury 1-3 Year Index, while DFAI is a Foreign Large Cap Equities fund actively managed by Dimensional. VGSH is passively managed, while DFAI is actively managed. Over the past 5 years, VGSH returned 1.83%/yr vs 9.46%/yr for DFAI. At a 0.15 correlation, their price movements are largely independent. VGSH charges 0.03%/yr vs 0.18%/yr for DFAI.
Performance
VGSH vs. DFAI - Performance Comparison
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Returns By Period
In the year-to-date period, VGSH achieves a 0.57% return, which is significantly lower than DFAI's 10.05% return.
VGSH
- 1D
- -0.03%
- 1M
- 0.28%
- YTD
- 0.57%
- 6M
- 0.83%
- 1Y
- 3.36%
- 3Y*
- 4.25%
- 5Y*
- 1.83%
- 10Y*
- 1.73%
DFAI
- 1D
- 0.43%
- 1M
- 2.45%
- YTD
- 10.05%
- 6M
- 11.52%
- 1Y
- 25.01%
- 3Y*
- 17.84%
- 5Y*
- 9.46%
- 10Y*
- —
VGSH vs. DFAI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | |
|---|---|---|---|---|---|---|---|
VGSH Vanguard Short-Term Treasury ETF | 0.57% | 5.07% | 4.00% | 4.31% | -3.86% | -0.60% | 0.09% |
DFAI Dimensional International Core Equity Market ETF | 10.05% | 34.04% | 4.68% | 17.60% | -12.95% | 13.86% | 5.34% |
Correlation
The correlation between VGSH and DFAI is 0.32, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.32 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.23 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.16 |
Correlation (All Time) Calculated using the full available price history since Nov 18, 2020 | 0.15 |
The correlation between VGSH and DFAI shifts across timeframes, from 0.15 (all time) to 0.32 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
VGSH vs. DFAI — Risk / Return Rank
VGSH
DFAI
VGSH vs. DFAI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Short-Term Treasury ETF (VGSH) and Dimensional International Core Equity Market ETF (DFAI). 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| VGSH | DFAI | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.98 | ||
| Sortino ratioReturn per unit of downside risk | +1.99 | ||
| Omega ratioGain probability vs. loss probability | 1.55 | 1.29 | +0.26 |
| Calmar ratioReturn relative to maximum drawdown | 3.76 | 2.18 | +1.58 |
| Martin ratioReturn relative to average drawdown | 14.67 | 8.47 | +6.20 |
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Drawdowns
VGSH vs. DFAI - Drawdown Comparison
The maximum VGSH drawdown since its inception was -5.70%, smaller than the maximum DFAI drawdown of -27.44%. Use the drawdown chart below to compare losses from any high point for VGSH and DFAI.
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Drawdown Indicators
| VGSH | DFAI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -5.70% | -27.44% | +21.74% |
Max Drawdown (1Y)Largest decline over 1 year | -0.88% | -10.95% | +10.07% |
Max Drawdown (3Y)Largest decline over 3 years | -0.97% | -13.25% | +12.28% |
Max Drawdown (5Y)Largest decline over 5 years | -5.66% | -27.44% | +21.78% |
Max Drawdown (10Y)Largest decline over 10 years | -5.70% | — | — |
Current DrawdownCurrent decline from peak | -0.21% | -0.80% | +0.59% |
Average DrawdownAverage peak-to-trough decline | -0.60% | -5.11% | +4.51% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.23% | 2.82% | -2.59% |
Volatility
VGSH vs. DFAI - Volatility Comparison
The current volatility for Vanguard Short-Term Treasury ETF (VGSH) is 0.37%, while Dimensional International Core Equity Market ETF (DFAI) has a volatility of 5.12%. This indicates that VGSH experiences smaller price fluctuations and is considered to be less risky than DFAI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VGSH | DFAI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.37% | 5.12% | -4.75% |
Volatility (6M)Calculated over the trailing 6-month period | 0.90% | 12.29% | -11.39% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.28% | 14.60% | -13.32% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 1.97% | 16.01% | -14.04% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 1.58% | 15.75% | -14.17% |
VGSH vs. DFAI - Expense Ratio Comparison
VGSH has a 0.03% expense ratio, which is lower than DFAI's 0.18% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
VGSH vs. DFAI - Dividend Comparison
VGSH's dividend yield for the trailing twelve months is around 3.87%, more than DFAI's 2.24% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
DFAI Dimensional International Core Equity Market ETF | 2.24% | 2.45% | 2.72% | 2.64% | 2.72% | 2.06% | 0.09% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
VGSH Vanguard Short-Term Treasury ETF | 3.87% | 4.00% | 4.18% | 3.31% | 1.15% | 0.66% | 1.74% | 2.28% | 1.79% | 1.10% | 0.84% | 0.69% |
Frequently Asked Questions
VGSH and DFAI have a correlation of 0.32, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
DFAI has higher volatility (5.12%) compared to VGSH (0.37%). In terms of maximum drawdown, VGSH dropped -5.70% vs DFAI's -27.44%.
On 5-year performance, DFAI leads with 9.46% vs 1.83% for VGSH. On fees, VGSH is cheaper at 0.03% per year. On volatility, VGSH has been the lower-risk option at 0.37%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, DFAI has performed better with a 9.46% return vs 1.83%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
VGSH is cheaper with a 0.03% expense ratio, compared with 0.18% for DFAI.
VGSH has the higher dividend yield at 3.87%, compared with 2.24% for DFAI.
VGSH is categorized as Government Bonds, while DFAI is Foreign Large Cap Equities. They also come from different issuers: Vanguard and Dimensional. Their fees differ too: 0.03% for VGSH and 0.18% for DFAI.
VGSH currently has the higher Sharpe Ratio (2.61 vs 1.63), 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.
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