FSMAX vs. VO
Compare and contrast key facts about Fidelity Extended Market Index Fund (FSMAX) and Vanguard Mid-Cap ETF (VO).
FSMAX is managed by Fidelity. VO is a passively managed fund by Vanguard that tracks the performance of the CRSP US Mid Cap Index. It was launched on Jan 26, 2004.
Performance
FSMAX vs. VO - Performance Comparison
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FSMAX vs. VO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
FSMAX Fidelity Extended Market Index Fund | -4.54% | 11.40% | 16.99% | 25.36% | -26.44% | 12.41% | 32.28% | 28.01% | -9.44% | 18.04% |
VO Vanguard Mid-Cap ETF | -0.68% | 11.62% | 15.31% | 16.03% | -18.73% | 24.70% | 18.10% | 30.98% | -9.24% | 19.28% |
Returns By Period
In the year-to-date period, FSMAX achieves a -4.54% return, which is significantly lower than VO's -0.68% return. Both investments have delivered pretty close results over the past 10 years, with FSMAX having a 10.54% annualized return and VO not far ahead at 10.67%.
FSMAX
- 1D
- -1.03%
- 1M
- -7.76%
- YTD
- -4.54%
- 6M
- -4.39%
- 1Y
- 16.77%
- 3Y*
- 13.78%
- 5Y*
- 3.66%
- 10Y*
- 10.54%
VO
- 1D
- 2.22%
- 1M
- -5.86%
- YTD
- -0.68%
- 6M
- -1.48%
- 1Y
- 12.73%
- 3Y*
- 12.61%
- 5Y*
- 6.66%
- 10Y*
- 10.67%
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FSMAX vs. VO - Expense Ratio Comparison
FSMAX has a 0.04% expense ratio, which is lower than VO's 0.04% 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
FSMAX vs. VO — Risk / Return Rank
FSMAX
VO
FSMAX vs. VO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fidelity Extended Market Index Fund (FSMAX) and Vanguard Mid-Cap ETF (VO). 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.
| FSMAX | VO | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.72 | 0.73 | -0.01 |
Sortino ratioReturn per unit of downside risk | 1.16 | 1.12 | +0.03 |
Omega ratioGain probability vs. loss probability | 1.16 | 1.16 | 0.00 |
Calmar ratioReturn relative to maximum drawdown | 0.95 | 1.05 | -0.11 |
Martin ratioReturn relative to average drawdown | 3.91 | 4.84 | -0.94 |
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
| FSMAX | VO | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.72 | 0.73 | -0.01 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.16 | 0.38 | -0.22 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.35 | 0.57 | -0.22 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.41 | 0.48 | -0.07 |
Correlation
The correlation between FSMAX and VO is 0.95, 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
FSMAX vs. VO - Dividend Comparison
FSMAX's dividend yield for the trailing twelve months is around 0.60%, less than VO's 1.51% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FSMAX Fidelity Extended Market Index Fund | 0.60% | 0.57% | 0.48% | 1.17% | 1.90% | 7.49% | 2.14% | 4.30% | 6.09% | 5.44% | 4.85% | 6.34% |
VO Vanguard Mid-Cap ETF | 1.51% | 1.52% | 1.49% | 1.52% | 1.60% | 1.12% | 1.45% | 1.48% | 1.82% | 1.35% | 1.45% | 1.47% |
Drawdowns
FSMAX vs. VO - Drawdown Comparison
The maximum FSMAX drawdown since its inception was -50.55%, smaller than the maximum VO drawdown of -58.87%. Use the drawdown chart below to compare losses from any high point for FSMAX and VO.
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Drawdown Indicators
| FSMAX | VO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -50.55% | -58.87% | +8.32% |
Max Drawdown (1Y)Largest decline over 1 year | -14.64% | -12.74% | -1.90% |
Max Drawdown (5Y)Largest decline over 5 years | -36.31% | -27.57% | -8.74% |
Max Drawdown (10Y)Largest decline over 10 years | -50.55% | -39.37% | -11.18% |
Current DrawdownCurrent decline from peak | -10.26% | -6.12% | -4.14% |
Average DrawdownAverage peak-to-trough decline | -12.29% | -7.91% | -4.38% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.54% | 2.76% | +0.78% |
Volatility
FSMAX vs. VO - Volatility Comparison
Fidelity Extended Market Index Fund (FSMAX) has a higher volatility of 6.01% compared to Vanguard Mid-Cap ETF (VO) at 4.89%. This indicates that FSMAX's price experiences larger fluctuations and is considered to be riskier than VO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FSMAX | VO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.01% | 4.89% | +1.12% |
Volatility (6M)Calculated over the trailing 6-month period | 13.07% | 9.72% | +3.35% |
Volatility (1Y)Calculated over the trailing 1-year period | 22.79% | 17.57% | +5.22% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 22.32% | 17.62% | +4.70% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 30.19% | 18.94% | +11.25% |