PMFMX vs. FXAIX
Compare and contrast key facts about Principal MidCap S&P 400 Index Fund (PMFMX) and Fidelity 500 Index Fund (FXAIX).
PMFMX is managed by Principal. It was launched on Dec 6, 2000. FXAIX is a passively managed fund by Fidelity that tracks the performance of the S&P 500 Index. It was launched on Feb 17, 1988.
Performance
PMFMX vs. FXAIX - Performance Comparison
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PMFMX vs. FXAIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PMFMX Principal MidCap S&P 400 Index Fund | 2.33% | 6.77% | 28.52% | 15.61% | -13.60% | 23.61% | 12.90% | 25.34% | -11.89% | 15.35% |
FXAIX Fidelity 500 Index Fund | -4.34% | 17.84% | 25.01% | 26.29% | -18.14% | 28.71% | 18.42% | 31.48% | -4.43% | 21.82% |
Returns By Period
In the year-to-date period, PMFMX achieves a 2.33% return, which is significantly higher than FXAIX's -4.34% return. Over the past 10 years, PMFMX has underperformed FXAIX with an annualized return of 11.12%, while FXAIX has yielded a comparatively higher 14.08% annualized return.
PMFMX
- 1D
- 2.88%
- 1M
- -6.23%
- YTD
- 2.33%
- 6M
- 3.49%
- 1Y
- 15.90%
- 3Y*
- 16.14%
- 5Y*
- 8.58%
- 10Y*
- 11.12%
FXAIX
- 1D
- 2.92%
- 1M
- -5.02%
- YTD
- -4.34%
- 6M
- -2.14%
- 1Y
- 17.32%
- 3Y*
- 18.30%
- 5Y*
- 11.79%
- 10Y*
- 14.08%
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PMFMX vs. FXAIX - Expense Ratio Comparison
PMFMX has a 0.73% expense ratio, which is higher than FXAIX's 0.02% expense ratio.
Return for Risk
PMFMX vs. FXAIX — Risk / Return Rank
PMFMX
FXAIX
PMFMX vs. FXAIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Principal MidCap S&P 400 Index Fund (PMFMX) and Fidelity 500 Index Fund (FXAIX). 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.
| PMFMX | FXAIX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.79 | 0.97 | -0.18 |
Sortino ratioReturn per unit of downside risk | 1.26 | 1.49 | -0.23 |
Omega ratioGain probability vs. loss probability | 1.17 | 1.23 | -0.05 |
Calmar ratioReturn relative to maximum drawdown | 1.19 | 1.52 | -0.33 |
Martin ratioReturn relative to average drawdown | 5.10 | 7.30 | -2.19 |
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
| PMFMX | FXAIX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.79 | 0.97 | -0.18 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.42 | 0.70 | -0.28 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.53 | 0.78 | -0.25 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.42 | 0.76 | -0.34 |
Correlation
The correlation between PMFMX and FXAIX is 0.87, 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
PMFMX vs. FXAIX - Dividend Comparison
PMFMX's dividend yield for the trailing twelve months is around 8.01%, more than FXAIX's 1.16% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PMFMX Principal MidCap S&P 400 Index Fund | 8.01% | 8.20% | 25.27% | 3.11% | 6.69% | 7.76% | 6.63% | 5.52% | 10.65% | 6.61% | 5.85% | 7.40% |
FXAIX Fidelity 500 Index Fund | 1.16% | 1.11% | 1.25% | 1.45% | 1.69% | 1.22% | 1.60% | 2.06% | 2.72% | 1.97% | 2.52% | 2.83% |
Drawdowns
PMFMX vs. FXAIX - Drawdown Comparison
The maximum PMFMX drawdown since its inception was -55.43%, which is greater than FXAIX's maximum drawdown of -33.79%. Use the drawdown chart below to compare losses from any high point for PMFMX and FXAIX.
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Drawdown Indicators
| PMFMX | FXAIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -55.43% | -33.79% | -21.64% |
Max Drawdown (1Y)Largest decline over 1 year | -14.15% | -12.13% | -2.02% |
Max Drawdown (5Y)Largest decline over 5 years | -24.08% | -24.50% | +0.42% |
Max Drawdown (10Y)Largest decline over 10 years | -42.02% | -33.79% | -8.23% |
Current DrawdownCurrent decline from peak | -6.27% | -6.23% | -0.04% |
Average DrawdownAverage peak-to-trough decline | -7.86% | -3.83% | -4.03% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.29% | 2.53% | +0.76% |
Volatility
PMFMX vs. FXAIX - Volatility Comparison
Principal MidCap S&P 400 Index Fund (PMFMX) has a higher volatility of 6.50% compared to Fidelity 500 Index Fund (FXAIX) at 5.34%. This indicates that PMFMX's price experiences larger fluctuations and is considered to be riskier than FXAIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PMFMX | FXAIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.50% | 5.34% | +1.16% |
Volatility (6M)Calculated over the trailing 6-month period | 11.80% | 9.53% | +2.27% |
Volatility (1Y)Calculated over the trailing 1-year period | 20.96% | 18.32% | +2.64% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 20.58% | 16.92% | +3.66% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 20.97% | 18.05% | +2.92% |