MDPIX vs. DDDIX
MDPIX (ProFunds Mid Cap Fund) and DDDIX (13D Activist Fund) are both Mid Cap Blend Equities funds. Over the past 10 years, MDPIX returned 8.84%/yr vs 10.51%/yr for DDDIX. Their correlation of 0.88 means they have usually moved in the same direction. MDPIX charges 1.82%/yr vs 1.51%/yr for DDDIX.
Performance
MDPIX vs. DDDIX - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, MDPIX achieves a 13.12% return, which is significantly lower than DDDIX's 30.77% return. Over the past 10 years, MDPIX has underperformed DDDIX with an annualized return of 8.84%, while DDDIX has yielded a comparatively higher 10.51% annualized return.
MDPIX
- 1D
- -0.16%
- 1M
- -1.28%
- 6M
- 7.97%
- YTD
- 13.12%
- 1Y
- 20.61%
- 3Y*
- 10.84%
- 5Y*
- 6.25%
- 10Y*
- 8.84%
- ALL TIME*
- 7.68%
DDDIX
- 1D
- 1.83%
- 1M
- -1.94%
- 6M
- 27.77%
- YTD
- 30.77%
- 1Y
- 42.01%
- 3Y*
- 12.50%
- 5Y*
- 4.79%
- 10Y*
- 10.51%
- ALL TIME*
- 11.84%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
DDDIX 13D Activist Fund | $0.00 | $0.00 | $0.00 |
| $0.00 | $0.00 | $0.00 |
MDPIX vs. DDDIX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
MDPIX ProFunds Mid Cap Fund | 13.12% | 5.68% | 11.55% | 14.16% | -14.81% | 21.89% | 11.24% | 23.46% | -12.78% | 14.18% |
DDDIX 13D Activist Fund | 30.77% | 3.05% | 1.67% | 10.86% | -17.53% | 19.62% | 18.92% | 31.79% | -13.43% | 23.76% |
Correlation
The correlation between MDPIX and DDDIX is 0.71, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.71 |
Correlation (3Y) Balances recent behavior with more history. | 0.81 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.86 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.87 |
Correlation (All Time) Calculated using the full available price history since Jan 3, 2012 | 0.88 |
The correlation between MDPIX and DDDIX shifts across timeframes, from 0.71 (1 year) to 0.88 (all time), reflecting how their relationship changes across market environments.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
MDPIX vs. DDDIX — Risk / Return Rank
MDPIX
DDDIX
MDPIX vs. DDDIX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for ProFunds Mid Cap Fund (MDPIX) and 13D Activist Fund (DDDIX). 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| MDPIX | DDDIX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.74 | ||
| Sortino ratioReturn per unit of downside risk | -0.91 | ||
| Omega ratioGain probability vs. loss probability | 1.22 | 1.33 | -0.11 |
| Calmar ratioReturn relative to maximum drawdown | 2.10 | 3.68 | -1.58 |
| Martin ratioReturn relative to average drawdown | 7.48 | 11.73 | -4.25 |
Loading charts...
Drawdowns
MDPIX vs. DDDIX - Drawdown Comparison
The maximum MDPIX drawdown since its inception was -57.32%, which is greater than DDDIX's maximum drawdown of -43.82%. Use the drawdown chart below to compare losses from any high point for MDPIX and DDDIX.
Loading charts...
Drawdown Indicators
| MDPIX | DDDIX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -57.32% | -43.82% | -13.50% |
Max Drawdown (1Y)Largest decline over 1 year | -9.02% | -10.82% | +1.80% |
Max Drawdown (3Y)Largest decline over 3 years | -24.59% | -28.76% | +4.17% |
Max Drawdown (5Y)Largest decline over 5 years | -24.86% | -28.76% | +3.90% |
Max Drawdown (10Y)Largest decline over 10 years | -42.07% | -43.82% | +1.75% |
Current DrawdownCurrent decline from peak | -2.55% | -2.82% | +0.27% |
Average DrawdownAverage peak-to-trough decline | -8.64% | -7.09% | -1.55% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.53% | 3.38% | -0.85% |
Volatility
MDPIX vs. DDDIX - Volatility Comparison
The current volatility for ProFunds Mid Cap Fund (MDPIX) is 3.39%, while 13D Activist Fund (DDDIX) has a volatility of 5.17%. This indicates that MDPIX experiences smaller price fluctuations and is considered to be less risky than DDDIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| MDPIX | DDDIX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.39% | 5.17% | -1.78% |
Volatility (6M)Calculated over the trailing 6-month period | 11.55% | 14.41% | -2.86% |
Volatility (1Y)Calculated over the trailing 1-year period | 15.64% | 20.43% | -4.79% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 19.65% | 20.28% | -0.63% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 20.68% | 20.95% | -0.27% |
MDPIX vs. DDDIX - Expense Ratio Comparison
MDPIX has a 1.82% expense ratio, which is higher than DDDIX's 1.51% expense ratio.
Dividends
MDPIX vs. DDDIX - Dividend Comparison
MDPIX's dividend yield for the trailing twelve months is around 0.36%, less than DDDIX's 3.53% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
DDDIX 13D Activist Fund | 3.53% | 4.62% | 5.16% | 3.89% | 9.39% | 9.30% | 6.98% | 6.88% | 5.33% | 1.69% | 0.00% | 0.00% |
MDPIX ProFunds Mid Cap Fund | 0.36% | 0.41% | 1.26% | 0.00% | 0.00% | 1.79% | 0.24% | 5.00% | 3.00% | 7.60% | 0.00% | 0.05% |
Frequently Asked Questions
MDPIX and DDDIX have a correlation of 0.71, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
DDDIX has higher volatility (5.17%) compared to MDPIX (3.39%). In terms of maximum drawdown, MDPIX dropped -57.32% vs DDDIX's -43.82%.
DDDIX currently has the higher Sharpe Ratio (1.95 vs 1.21), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
Find the right allocation for MDPIX and DDDIX
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer