VLGSX vs. VSIAX
VLGSX (Vanguard Long-Term Treasury Index Fund Admiral Shares) and VSIAX (Vanguard Small-Cap Value Index Fund Admiral Shares) are both mutual funds - VLGSX is a Government Bonds fund managed by Vanguard, while VSIAX is a Small Cap Value Equities fund managed by Vanguard. Over the past 10 years, VLGSX returned -1.06%/yr vs 10.56%/yr for VSIAX. At a correlation of -0.22, they often move in opposite directions. Both charge a 0.07% expense ratio.
Performance
VLGSX vs. VSIAX - Performance Comparison
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Returns By Period
In the year-to-date period, VLGSX achieves a -0.22% return, which is significantly lower than VSIAX's 12.06% return. Over the past 10 years, VLGSX has underperformed VSIAX with an annualized return of -1.06%, while VSIAX has yielded a comparatively higher 10.56% annualized return.
VLGSX
- 1D
- 0.16%
- 1M
- 1.10%
- YTD
- -0.22%
- 6M
- -1.36%
- 1Y
- 5.60%
- 3Y*
- -0.48%
- 5Y*
- -4.95%
- 10Y*
- -1.06%
VSIAX
- 1D
- 0.86%
- 1M
- 2.83%
- YTD
- 12.06%
- 6M
- 12.39%
- 1Y
- 26.25%
- 3Y*
- 16.60%
- 5Y*
- 8.06%
- 10Y*
- 10.56%
VLGSX vs. VSIAX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VLGSX Vanguard Long-Term Treasury Index Fund Admiral Shares | -0.22% | 5.42% | -6.17% | 3.66% | -29.48% | -4.99% | 17.70% | 14.31% | -1.62% | 8.65% |
VSIAX Vanguard Small-Cap Value Index Fund Admiral Shares | 12.06% | 9.09% | 11.34% | 17.06% | -9.31% | 28.10% | 5.80% | 22.76% | -12.24% | 11.80% |
Correlation
The correlation between VLGSX and VSIAX is 0.25, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.25 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.21 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.06 |
Correlation (10Y) Calculated over the trailing 10-year period | -0.13 |
Correlation (All Time) Calculated using the full available price history since Sep 28, 2011 | -0.22 |
The correlation between VLGSX and VSIAX shifts across timeframes, from -0.22 (all time) to 0.25 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
VLGSX vs. VSIAX — Risk / Return Rank
VLGSX
VSIAX
VLGSX vs. VSIAX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Long-Term Treasury Index Fund Admiral Shares (VLGSX) and Vanguard Small-Cap Value Index Fund Admiral Shares (VSIAX). 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.
| VLGSX | VSIAX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.23 | ||
| Sortino ratioReturn per unit of downside risk | -1.75 | ||
| Omega ratioGain probability vs. loss probability | 1.11 | 1.32 | -0.21 |
| Calmar ratioReturn relative to maximum drawdown | 0.79 | 3.16 | -2.37 |
| Martin ratioReturn relative to average drawdown | 2.05 | 11.18 | -9.13 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| VLGSX | VSIAX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.62 | 1.84 | -1.23 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.34 | 0.41 | -0.75 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | -0.08 | 0.47 | -0.55 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.17 | 0.59 | -0.41 |
Drawdowns
VLGSX vs. VSIAX - Drawdown Comparison
The maximum VLGSX drawdown since its inception was -46.22%, roughly equal to the maximum VSIAX drawdown of -45.39%. Use the drawdown chart below to compare losses from any high point for VLGSX and VSIAX.
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Drawdown Indicators
| VLGSX | VSIAX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -46.22% | -45.39% | -0.83% |
Max Drawdown (1Y)Largest decline over 1 year | -6.99% | -8.87% | +1.88% |
Max Drawdown (3Y)Largest decline over 3 years | -17.67% | -24.09% | +6.42% |
Max Drawdown (5Y)Largest decline over 5 years | -41.02% | -24.09% | -16.93% |
Max Drawdown (10Y)Largest decline over 10 years | -46.22% | -45.39% | -0.83% |
Current DrawdownCurrent decline from peak | -36.45% | 0.00% | -36.45% |
Average DrawdownAverage peak-to-trough decline | -15.12% | -5.50% | -9.62% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.68% | 2.50% | +0.18% |
Volatility
VLGSX vs. VSIAX - Volatility Comparison
The current volatility for Vanguard Long-Term Treasury Index Fund Admiral Shares (VLGSX) is 2.64%, while Vanguard Small-Cap Value Index Fund Admiral Shares (VSIAX) has a volatility of 4.09%. This indicates that VLGSX experiences smaller price fluctuations and is considered to be less risky than VSIAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VLGSX | VSIAX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.64% | 4.09% | -1.45% |
Volatility (6M)Calculated over the trailing 6-month period | 6.08% | 10.43% | -4.35% |
Volatility (1Y)Calculated over the trailing 1-year period | 8.94% | 15.19% | -6.25% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 14.55% | 19.77% | -5.22% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 13.71% | 22.46% | -8.75% |
VLGSX vs. VSIAX - Expense Ratio Comparison
Both VLGSX and VSIAX have an expense ratio of 0.07%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.
Dividends
VLGSX vs. VSIAX - Dividend Comparison
VLGSX's dividend yield for the trailing twelve months is around 4.57%, more than VSIAX's 1.75% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VLGSX Vanguard Long-Term Treasury Index Fund Admiral Shares | 4.57% | 4.41% | 4.65% | 3.30% | 2.80% | 1.85% | 2.13% | 2.45% | 2.72% | 2.55% | 2.46% | 2.80% |
VSIAX Vanguard Small-Cap Value Index Fund Admiral Shares | 1.75% | 1.95% | 1.98% | 2.10% | 2.03% | 1.75% | 1.68% | 2.06% | 2.35% | 1.79% | 1.77% | 1.99% |
Frequently Asked Questions
VLGSX and VSIAX have a correlation of 0.25, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
VSIAX has higher volatility (4.09%) compared to VLGSX (2.64%). In terms of maximum drawdown, VLGSX dropped -46.22% vs VSIAX's -45.39%.
VSIAX currently has the higher Sharpe Ratio (1.84 vs 0.62), 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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