FSMDX vs. FZFLX
Compare and contrast key facts about Fidelity Mid Cap Index Fund (FSMDX) and Fidelity SAI Small-Mid Cap 500 Index Fund (FZFLX).
FSMDX is managed by Fidelity. It was launched on Sep 8, 2011. FZFLX is managed by Fidelity. It was launched on Aug 12, 2015.
Performance
FSMDX vs. FZFLX - Performance Comparison
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FSMDX vs. FZFLX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
FSMDX Fidelity Mid Cap Index Fund | 1.30% | 10.58% | 15.55% | 17.20% | -17.27% | 22.56% | 17.13% | 30.53% | -9.38% | 18.04% |
FZFLX Fidelity SAI Small-Mid Cap 500 Index Fund | 7.81% | 10.76% | 15.52% | 17.75% | -15.62% | 20.40% | 19.78% | 31.96% | -9.25% | 18.41% |
Returns By Period
In the year-to-date period, FSMDX achieves a 1.30% return, which is significantly lower than FZFLX's 7.81% return. Over the past 10 years, FSMDX has underperformed FZFLX with an annualized return of 10.81%, while FZFLX has yielded a comparatively higher 12.08% annualized return.
FSMDX
- 1D
- 2.63%
- 1M
- -5.55%
- YTD
- 1.30%
- 6M
- 1.49%
- 1Y
- 15.54%
- 3Y*
- 13.39%
- 5Y*
- 6.99%
- 10Y*
- 10.81%
FZFLX
- 1D
- 5.00%
- 1M
- -6.21%
- YTD
- 7.81%
- 6M
- 9.60%
- 1Y
- 26.35%
- 3Y*
- 16.05%
- 5Y*
- 8.15%
- 10Y*
- 12.08%
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FSMDX vs. FZFLX - Expense Ratio Comparison
FSMDX has a 0.03% expense ratio, which is lower than FZFLX's 0.05% 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
FSMDX vs. FZFLX — Risk / Return Rank
FSMDX
FZFLX
FSMDX vs. FZFLX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Fidelity Mid Cap Index Fund (FSMDX) and Fidelity SAI Small-Mid Cap 500 Index Fund (FZFLX). 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.
| FSMDX | FZFLX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.84 | 1.13 | -0.29 |
Sortino ratioReturn per unit of downside risk | 1.30 | 1.66 | -0.36 |
Omega ratioGain probability vs. loss probability | 1.18 | 1.23 | -0.05 |
Calmar ratioReturn relative to maximum drawdown | 1.23 | 1.73 | -0.49 |
Martin ratioReturn relative to average drawdown | 5.73 | 7.43 | -1.70 |
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
| FSMDX | FZFLX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.84 | 1.13 | -0.29 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.38 | 0.40 | -0.01 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.56 | 0.58 | -0.02 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.66 | 0.54 | +0.12 |
Correlation
The correlation between FSMDX and FZFLX is 0.98, 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
FSMDX vs. FZFLX - Dividend Comparison
FSMDX's dividend yield for the trailing twelve months is around 1.09%, less than FZFLX's 53.58% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FSMDX Fidelity Mid Cap Index Fund | 1.09% | 1.10% | 2.46% | 1.39% | 2.07% | 3.35% | 2.34% | 2.86% | 2.21% | 2.17% | 2.23% | 2.84% |
FZFLX Fidelity SAI Small-Mid Cap 500 Index Fund | 53.58% | 57.77% | 10.20% | 2.35% | 79.79% | 50.77% | 7.19% | 6.49% | 7.69% | 1.68% | 0.93% | 0.67% |
Drawdowns
FSMDX vs. FZFLX - Drawdown Comparison
The maximum FSMDX drawdown since its inception was -40.35%, roughly equal to the maximum FZFLX drawdown of -42.03%. Use the drawdown chart below to compare losses from any high point for FSMDX and FZFLX.
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Drawdown Indicators
| FSMDX | FZFLX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -40.35% | -42.03% | +1.68% |
Max Drawdown (1Y)Largest decline over 1 year | -13.42% | -14.54% | +1.12% |
Max Drawdown (5Y)Largest decline over 5 years | -26.07% | -24.77% | -1.30% |
Max Drawdown (10Y)Largest decline over 10 years | -40.35% | -42.03% | +1.68% |
Current DrawdownCurrent decline from peak | -5.74% | -6.21% | +0.47% |
Average DrawdownAverage peak-to-trough decline | -5.00% | -5.81% | +0.81% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.89% | 3.38% | -0.49% |
Volatility
FSMDX vs. FZFLX - Volatility Comparison
The current volatility for Fidelity Mid Cap Index Fund (FSMDX) is 5.58%, while Fidelity SAI Small-Mid Cap 500 Index Fund (FZFLX) has a volatility of 11.32%. This indicates that FSMDX experiences smaller price fluctuations and is considered to be less risky than FZFLX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| FSMDX | FZFLX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.58% | 11.32% | -5.74% |
Volatility (6M)Calculated over the trailing 6-month period | 10.50% | 16.31% | -5.81% |
Volatility (1Y)Calculated over the trailing 1-year period | 19.10% | 24.32% | -5.22% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.27% | 20.78% | -2.51% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.30% | 20.91% | -1.61% |