PRDMX vs. MMGPX
PRDMX (T. Rowe Price Diversified Mid Cap Growth Fund) and MMGPX (Morgan Stanley Discovery Portfolio) are both Mid Cap Growth Equities funds. Over the past 5 years, PRDMX returned 5.14%/yr vs -6.17%/yr for MMGPX. Their correlation of 0.82 means they have usually moved in the same direction. PRDMX charges 0.79%/yr vs 0.04%/yr for MMGPX.
Performance
PRDMX vs. MMGPX - Performance Comparison
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Returns By Period
In the year-to-date period, PRDMX achieves a 1.86% return, which is significantly higher than MMGPX's -0.96% return.
PRDMX
- 1D
- 2.48%
- 1M
- -3.51%
- 6M
- 2.10%
- YTD
- 1.86%
- 1Y
- 0.92%
- 3Y*
- 12.67%
- 5Y*
- 5.14%
- 10Y*
- 12.24%
- ALL TIME*
- 10.44%
MMGPX
- 1D
- 2.26%
- 1M
- -3.86%
- 6M
- 4.78%
- YTD
- -0.96%
- 1Y
- -10.52%
- 3Y*
- 17.63%
- 5Y*
- -6.17%
- 10Y*
- —
- ALL TIME*
- 14.86%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
PRDMX vs. MMGPX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PRDMX T. Rowe Price Diversified Mid Cap Growth Fund | 1.86% | 10.30% | 23.77% | 20.75% | -24.65% | 13.56% | 31.82% | 37.91% | -3.15% | 20.52% |
MMGPX Morgan Stanley Discovery Portfolio | -0.96% | 12.58% | 41.83% | 44.34% | -63.37% | -11.55% | 152.67% | 40.20% | 10.89% | 28.18% |
Correlation
The correlation between PRDMX and MMGPX is 0.79, 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. | 0.79 |
Correlation (3Y) Balances recent behavior with more history. | 0.81 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.84 |
Correlation (All Time) Calculated using the full available price history since Feb 1, 2017 | 0.82 |
The correlation between PRDMX and MMGPX has been stable across timeframes, ranging from 0.79 to 0.84 - a consistent structural relationship.
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Return for Risk
PRDMX vs. MMGPX — Risk / Return Rank
PRDMX
MMGPX
PRDMX vs. MMGPX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price Diversified Mid Cap Growth Fund (PRDMX) and Morgan Stanley Discovery Portfolio (MMGPX). 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.
| PRDMX | MMGPX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.28 | ||
| Sortino ratioReturn per unit of downside risk | +0.33 | ||
| Omega ratioGain probability vs. loss probability | 1.01 | 0.97 | +0.04 |
| Calmar ratioReturn relative to maximum drawdown | -0.07 | -0.34 | +0.28 |
| Martin ratioReturn relative to average drawdown | -0.20 | -0.66 | +0.46 |
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Drawdowns
PRDMX vs. MMGPX - Drawdown Comparison
The maximum PRDMX drawdown since its inception was -57.57%, smaller than the maximum MMGPX drawdown of -75.38%. Use the drawdown chart below to compare losses from any high point for PRDMX and MMGPX.
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Drawdown Indicators
| PRDMX | MMGPX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -57.57% | -75.38% | +17.81% |
Max Drawdown (1Y)Largest decline over 1 year | -14.15% | -27.79% | +13.64% |
Max Drawdown (3Y)Largest decline over 3 years | -25.06% | -29.27% | +4.21% |
Max Drawdown (5Y)Largest decline over 5 years | -35.69% | -72.70% | +37.01% |
Max Drawdown (10Y)Largest decline over 10 years | -35.91% | — | — |
Current DrawdownCurrent decline from peak | -5.85% | -40.82% | +34.97% |
Average DrawdownAverage peak-to-trough decline | -8.40% | -30.40% | +22.00% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.74% | 14.47% | -9.73% |
Volatility
PRDMX vs. MMGPX - Volatility Comparison
The current volatility for T. Rowe Price Diversified Mid Cap Growth Fund (PRDMX) is 5.24%, while Morgan Stanley Discovery Portfolio (MMGPX) has a volatility of 6.84%. This indicates that PRDMX experiences smaller price fluctuations and is considered to be less risky than MMGPX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PRDMX | MMGPX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.24% | 6.84% | -1.60% |
Volatility (6M)Calculated over the trailing 6-month period | 14.47% | 21.99% | -7.52% |
Volatility (1Y)Calculated over the trailing 1-year period | 18.04% | 28.90% | -10.86% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 22.01% | 39.83% | -17.82% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.40% | 35.11% | -13.71% |
PRDMX vs. MMGPX - Expense Ratio Comparison
PRDMX has a 0.79% expense ratio, which is higher than MMGPX's 0.04% expense ratio.
Dividends
PRDMX vs. MMGPX - Dividend Comparison
PRDMX's dividend yield for the trailing twelve months is around 7.60%, while MMGPX has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MMGPX Morgan Stanley Discovery Portfolio | 0.00% | 0.43% | 0.00% | 0.00% | 125.40% | 64.53% | 7.93% | 15.63% | 28.02% | 0.00% | 0.00% | 0.00% |
PRDMX T. Rowe Price Diversified Mid Cap Growth Fund | 7.60% | 7.75% | 8.59% | 6.83% | 1.22% | 10.13% | 4.80% | 2.02% | 5.23% | 3.71% | 1.23% | 3.78% |
Frequently Asked Questions
PRDMX and MMGPX have a correlation of 0.79, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
MMGPX has higher volatility (6.84%) compared to PRDMX (5.24%). In terms of maximum drawdown, PRDMX dropped -57.57% vs MMGPX's -75.38%.
PRDMX currently has the higher Sharpe Ratio (-0.05 vs -0.33), 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.
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