VSTSX vs. VIIIX
Compare and contrast key facts about Vanguard Total Stock Market Index Fund Institutional Select Shares (VSTSX) and Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX).
VSTSX is managed by Vanguard. It was launched on Jun 27, 2016. VIIIX is managed by Vanguard. It was launched on Jul 7, 1997.
Performance
VSTSX vs. VIIIX - Performance Comparison
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VSTSX vs. VIIIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VSTSX Vanguard Total Stock Market Index Fund Institutional Select Shares | -6.74% | 17.16% | 23.27% | 26.54% | -19.49% | 25.75% | 21.02% | 30.81% | -5.15% | 20.21% |
VIIIX Vanguard Institutional Index Fund Institutional Plus Shares | -7.06% | 17.87% | 26.29% | 25.79% | -18.14% | 28.69% | 18.41% | 31.48% | -4.41% | 20.79% |
Returns By Period
The year-to-date returns for both stocks are quite close, with VSTSX having a -6.74% return and VIIIX slightly lower at -7.06%.
VSTSX
- 1D
- -0.46%
- 1M
- -7.71%
- YTD
- -6.74%
- 6M
- -4.45%
- 1Y
- 14.80%
- 3Y*
- 16.73%
- 5Y*
- 10.15%
- 10Y*
- —
VIIIX
- 1D
- -0.39%
- 1M
- -7.68%
- YTD
- -7.06%
- 6M
- -4.59%
- 1Y
- 14.44%
- 3Y*
- 17.57%
- 5Y*
- 11.54%
- 10Y*
- 13.82%
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VSTSX vs. VIIIX - Expense Ratio Comparison
VSTSX has a 0.01% expense ratio, which is lower than VIIIX's 0.02% 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%.
Return for Risk
VSTSX vs. VIIIX — Risk / Return Rank
VSTSX
VIIIX
VSTSX vs. VIIIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Total Stock Market Index Fund Institutional Select Shares (VSTSX) and Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX). 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.
| VSTSX | VIIIX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.84 | 0.84 | 0.00 |
Sortino ratioReturn per unit of downside risk | 1.30 | 1.30 | 0.00 |
Omega ratioGain probability vs. loss probability | 1.20 | 1.20 | 0.00 |
Calmar ratioReturn relative to maximum drawdown | 1.05 | 1.06 | -0.01 |
Martin ratioReturn relative to average drawdown | 5.10 | 5.14 | -0.04 |
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
| VSTSX | VIIIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.84 | 0.84 | 0.00 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.59 | 0.69 | -0.10 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | — | 0.77 | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.70 | 0.46 | +0.24 |
Correlation
The correlation between VSTSX and VIIIX is 0.99, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
VSTSX vs. VIIIX - Dividend Comparison
VSTSX's dividend yield for the trailing twelve months is around 1.23%, less than VIIIX's 2.90% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VSTSX Vanguard Total Stock Market Index Fund Institutional Select Shares | 1.23% | 1.13% | 1.27% | 1.43% | 1.67% | 1.23% | 1.44% | 1.79% | 2.07% | 1.74% | 0.00% | 0.00% |
VIIIX Vanguard Institutional Index Fund Institutional Plus Shares | 2.90% | 2.11% | 3.66% | 2.66% | 3.39% | 4.79% | 3.07% | 2.86% | 2.45% | 1.84% | 2.38% | 2.47% |
Drawdowns
VSTSX vs. VIIIX - Drawdown Comparison
The maximum VSTSX drawdown since its inception was -34.97%, smaller than the maximum VIIIX drawdown of -55.18%. Use the drawdown chart below to compare losses from any high point for VSTSX and VIIIX.
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Drawdown Indicators
| VSTSX | VIIIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -34.97% | -55.18% | +20.21% |
Max Drawdown (1Y)Largest decline over 1 year | -12.41% | -12.12% | -0.29% |
Max Drawdown (5Y)Largest decline over 5 years | -25.35% | -24.50% | -0.85% |
Max Drawdown (10Y)Largest decline over 10 years | — | -33.79% | — |
Current DrawdownCurrent decline from peak | -8.92% | -8.90% | -0.02% |
Average DrawdownAverage peak-to-trough decline | -4.97% | -10.07% | +5.10% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.56% | 2.49% | +0.07% |
Volatility
VSTSX vs. VIIIX - Volatility Comparison
Vanguard Total Stock Market Index Fund Institutional Select Shares (VSTSX) and Vanguard Institutional Index Fund Institutional Plus Shares (VIIIX) have volatilities of 4.40% and 4.24%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VSTSX | VIIIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.40% | 4.24% | +0.16% |
Volatility (6M)Calculated over the trailing 6-month period | 9.33% | 9.08% | +0.25% |
Volatility (1Y)Calculated over the trailing 1-year period | 18.42% | 18.13% | +0.29% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.33% | 16.85% | +0.48% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.84% | 18.02% | +0.82% |