VTSMX vs. IOO
Compare and contrast key facts about Vanguard Total Stock Market Index Fund Investor Shares (VTSMX) and iShares Global 100 ETF (IOO).
VTSMX is managed by Vanguard. IOO is a passively managed fund by iShares that tracks the performance of the S&P Global 100 Index. It was launched on Dec 5, 2000.
Performance
VTSMX vs. IOO - Performance Comparison
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VTSMX vs. IOO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VTSMX Vanguard Total Stock Market Index Fund Investor Shares | -6.76% | 16.63% | 22.76% | 26.38% | -19.60% | 25.59% | 20.87% | 30.63% | -5.27% | 21.05% |
IOO iShares Global 100 ETF | -4.50% | 27.02% | 26.54% | 27.71% | -16.34% | 26.03% | 18.61% | 30.01% | -6.22% | 23.56% |
Returns By Period
In the year-to-date period, VTSMX achieves a -6.76% return, which is significantly lower than IOO's -4.50% return. Over the past 10 years, VTSMX has underperformed IOO with an annualized return of 13.09%, while IOO has yielded a comparatively higher 15.03% annualized return.
VTSMX
- 1D
- -0.47%
- 1M
- -7.71%
- YTD
- -6.76%
- 6M
- -4.51%
- 1Y
- 14.67%
- 3Y*
- 16.35%
- 5Y*
- 9.87%
- 10Y*
- 13.09%
IOO
- 1D
- 3.46%
- 1M
- -5.18%
- YTD
- -4.50%
- 6M
- 1.16%
- 1Y
- 26.95%
- 3Y*
- 21.47%
- 5Y*
- 14.29%
- 10Y*
- 15.03%
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VTSMX vs. IOO - Expense Ratio Comparison
VTSMX has a 0.14% expense ratio, which is lower than IOO's 0.40% expense ratio.
Return for Risk
VTSMX vs. IOO — Risk / Return Rank
VTSMX
IOO
VTSMX vs. IOO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Total Stock Market Index Fund Investor Shares (VTSMX) and iShares Global 100 ETF (IOO). 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.
| VTSMX | IOO | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.83 | 1.41 | -0.58 |
Sortino ratioReturn per unit of downside risk | 1.29 | 2.09 | -0.80 |
Omega ratioGain probability vs. loss probability | 1.19 | 1.31 | -0.11 |
Calmar ratioReturn relative to maximum drawdown | 1.04 | 2.18 | -1.14 |
Martin ratioReturn relative to average drawdown | 5.04 | 10.38 | -5.34 |
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
| VTSMX | IOO | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.83 | 1.41 | -0.58 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.57 | 0.85 | -0.27 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.71 | 0.85 | -0.14 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.56 | 0.36 | +0.20 |
Correlation
The correlation between VTSMX and IOO is 0.90, 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
VTSMX vs. IOO - Dividend Comparison
VTSMX's dividend yield for the trailing twelve months is around 1.12%, more than IOO's 0.96% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VTSMX Vanguard Total Stock Market Index Fund Investor Shares | 1.12% | 0.75% | 0.89% | 1.33% | 1.54% | 1.11% | 1.33% | 1.67% | 1.92% | 1.61% | 1.83% | 1.86% |
IOO iShares Global 100 ETF | 0.96% | 0.92% | 1.08% | 1.49% | 2.00% | 1.53% | 1.49% | 2.02% | 2.54% | 2.23% | 2.75% | 2.89% |
Drawdowns
VTSMX vs. IOO - Drawdown Comparison
The maximum VTSMX drawdown since its inception was -55.38%, roughly equal to the maximum IOO drawdown of -55.85%. Use the drawdown chart below to compare losses from any high point for VTSMX and IOO.
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Drawdown Indicators
| VTSMX | IOO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -55.38% | -55.85% | +0.47% |
Max Drawdown (1Y)Largest decline over 1 year | -12.41% | -12.40% | -0.01% |
Max Drawdown (5Y)Largest decline over 5 years | -25.43% | -23.52% | -1.91% |
Max Drawdown (10Y)Largest decline over 10 years | -34.98% | -31.43% | -3.55% |
Current DrawdownCurrent decline from peak | -8.93% | -6.82% | -2.11% |
Average DrawdownAverage peak-to-trough decline | -8.94% | -11.34% | +2.40% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.56% | 2.61% | -0.05% |
Volatility
VTSMX vs. IOO - Volatility Comparison
The current volatility for Vanguard Total Stock Market Index Fund Investor Shares (VTSMX) is 4.39%, while iShares Global 100 ETF (IOO) has a volatility of 6.26%. This indicates that VTSMX experiences smaller price fluctuations and is considered to be less risky than IOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VTSMX | IOO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.39% | 6.26% | -1.87% |
Volatility (6M)Calculated over the trailing 6-month period | 9.33% | 10.69% | -1.36% |
Volatility (1Y)Calculated over the trailing 1-year period | 18.42% | 19.22% | -0.80% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.33% | 16.97% | +0.36% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.37% | 17.74% | +0.63% |