MDPIX vs. SPY
Compare and contrast key facts about ProFunds Mid Cap Fund (MDPIX) and State Street SPDR S&P 500 ETF (SPY).
MDPIX is managed by ProFunds. It was launched on Sep 3, 2001. SPY is a passively managed fund by State Street that tracks the performance of the S&P 500 Index. It was launched on Jan 22, 1993.
Performance
MDPIX vs. SPY - Performance Comparison
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MDPIX vs. SPY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
MDPIX ProFunds Mid Cap Fund | -0.89% | 5.68% | 11.55% | 14.16% | -14.81% | 21.89% | 11.24% | 23.46% | -12.78% | 14.18% |
SPY State Street SPDR S&P 500 ETF | -4.37% | 17.72% | 24.89% | 26.18% | -18.18% | 28.73% | 18.33% | 31.22% | -4.57% | 21.71% |
Returns By Period
In the year-to-date period, MDPIX achieves a -0.89% return, which is significantly higher than SPY's -4.37% return. Over the past 10 years, MDPIX has underperformed SPY with an annualized return of 8.02%, while SPY has yielded a comparatively higher 13.98% annualized return.
MDPIX
- 1D
- -0.84%
- 1M
- -8.20%
- YTD
- -0.89%
- 6M
- 0.22%
- 1Y
- 12.12%
- 3Y*
- 8.88%
- 5Y*
- 4.16%
- 10Y*
- 8.02%
SPY
- 1D
- 2.91%
- 1M
- -4.94%
- YTD
- -4.37%
- 6M
- -1.82%
- 1Y
- 17.59%
- 3Y*
- 18.19%
- 5Y*
- 11.69%
- 10Y*
- 13.98%
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MDPIX vs. SPY - Expense Ratio Comparison
MDPIX has a 1.82% expense ratio, which is higher than SPY's 0.09% expense ratio.
Return for Risk
MDPIX vs. SPY — Risk / Return Rank
MDPIX
SPY
MDPIX vs. SPY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for ProFunds Mid Cap Fund (MDPIX) and State Street SPDR S&P 500 ETF (SPY). 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.
| MDPIX | SPY | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.60 | 0.93 | -0.33 |
Sortino ratioReturn per unit of downside risk | 0.98 | 1.45 | -0.47 |
Omega ratioGain probability vs. loss probability | 1.13 | 1.22 | -0.09 |
Calmar ratioReturn relative to maximum drawdown | 0.73 | 1.53 | -0.80 |
Martin ratioReturn relative to average drawdown | 3.10 | 7.30 | -4.20 |
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
| MDPIX | SPY | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.60 | 0.93 | -0.33 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.21 | 0.69 | -0.48 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.39 | 0.78 | -0.39 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.34 | 0.56 | -0.22 |
Correlation
The correlation between MDPIX and SPY is 0.88, 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
MDPIX vs. SPY - Dividend Comparison
MDPIX's dividend yield for the trailing twelve months is around 0.41%, less than SPY's 1.14% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MDPIX ProFunds Mid Cap Fund | 0.41% | 0.41% | 1.26% | 0.00% | 0.00% | 1.79% | 0.24% | 5.00% | 3.00% | 7.60% | 0.00% | 0.05% |
SPY State Street SPDR S&P 500 ETF | 1.14% | 1.07% | 1.21% | 1.40% | 1.65% | 1.20% | 1.52% | 1.75% | 2.04% | 1.80% | 2.03% | 2.06% |
Drawdowns
MDPIX vs. SPY - Drawdown Comparison
The maximum MDPIX drawdown since its inception was -57.32%, roughly equal to the maximum SPY drawdown of -55.19%. Use the drawdown chart below to compare losses from any high point for MDPIX and SPY.
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Drawdown Indicators
| MDPIX | SPY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -57.32% | -55.19% | -2.13% |
Max Drawdown (1Y)Largest decline over 1 year | -14.13% | -12.05% | -2.08% |
Max Drawdown (5Y)Largest decline over 5 years | -24.86% | -24.50% | -0.36% |
Max Drawdown (10Y)Largest decline over 10 years | -42.07% | -33.72% | -8.35% |
Current DrawdownCurrent decline from peak | -9.02% | -6.24% | -2.78% |
Average DrawdownAverage peak-to-trough decline | -8.74% | -9.09% | +0.35% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.31% | 2.52% | +0.79% |
Volatility
MDPIX vs. SPY - Volatility Comparison
ProFunds Mid Cap Fund (MDPIX) has a higher volatility of 5.74% compared to State Street SPDR S&P 500 ETF (SPY) at 5.31%. This indicates that MDPIX's price experiences larger fluctuations and is considered to be riskier than SPY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MDPIX | SPY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.74% | 5.31% | +0.43% |
Volatility (6M)Calculated over the trailing 6-month period | 11.47% | 9.47% | +2.00% |
Volatility (1Y)Calculated over the trailing 1-year period | 20.83% | 19.05% | +1.78% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 19.69% | 17.06% | +2.63% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 20.68% | 17.92% | +2.76% |