PRDSX vs. OBMCX
Compare and contrast key facts about T. Rowe Price QM U.S. Small-Cap Growth Equity Fund (PRDSX) and Oberweis Micro Cap Fund (OBMCX).
PRDSX is managed by T. Rowe Price. It was launched on Jun 30, 1997. OBMCX is managed by Oberweis. It was launched on Dec 29, 1995.
Performance
PRDSX vs. OBMCX - Performance Comparison
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PRDSX vs. OBMCX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PRDSX T. Rowe Price QM U.S. Small-Cap Growth Equity Fund | -4.64% | 17.44% | 12.97% | 21.15% | -22.49% | 11.15% | 23.85% | 32.75% | -6.91% | 22.12% |
OBMCX Oberweis Micro Cap Fund | 8.96% | 14.70% | 22.82% | 18.87% | -10.57% | 53.20% | 29.91% | 21.94% | -12.04% | 27.90% |
Returns By Period
In the year-to-date period, PRDSX achieves a -4.64% return, which is significantly lower than OBMCX's 8.96% return. Over the past 10 years, PRDSX has underperformed OBMCX with an annualized return of 10.82%, while OBMCX has yielded a comparatively higher 18.72% annualized return.
PRDSX
- 1D
- -2.18%
- 1M
- -10.24%
- YTD
- -4.64%
- 6M
- 3.04%
- 1Y
- 21.87%
- 3Y*
- 12.67%
- 5Y*
- 4.85%
- 10Y*
- 10.82%
OBMCX
- 1D
- -3.56%
- 1M
- -5.54%
- YTD
- 8.96%
- 6M
- 7.64%
- 1Y
- 43.65%
- 3Y*
- 18.71%
- 5Y*
- 14.63%
- 10Y*
- 18.72%
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PRDSX vs. OBMCX - Expense Ratio Comparison
PRDSX has a 0.78% expense ratio, which is lower than OBMCX's 1.48% expense ratio.
Return for Risk
PRDSX vs. OBMCX — Risk / Return Rank
PRDSX
OBMCX
PRDSX vs. OBMCX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for T. Rowe Price QM U.S. Small-Cap Growth Equity Fund (PRDSX) and Oberweis Micro Cap Fund (OBMCX). 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.
| PRDSX | OBMCX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.93 | 1.57 | -0.65 |
Sortino ratioReturn per unit of downside risk | 1.48 | 2.15 | -0.67 |
Omega ratioGain probability vs. loss probability | 1.19 | 1.29 | -0.10 |
Calmar ratioReturn relative to maximum drawdown | 1.44 | 3.08 | -1.65 |
Martin ratioReturn relative to average drawdown | 5.56 | 11.08 | -5.52 |
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
| PRDSX | OBMCX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.93 | 1.57 | -0.65 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.23 | 0.56 | -0.34 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.51 | 0.73 | -0.23 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.36 | 0.41 | -0.05 |
Correlation
The correlation between PRDSX and OBMCX is 0.85, 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
PRDSX vs. OBMCX - Dividend Comparison
PRDSX's dividend yield for the trailing twelve months is around 13.31%, more than OBMCX's 1.29% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PRDSX T. Rowe Price QM U.S. Small-Cap Growth Equity Fund | 13.31% | 12.70% | 7.96% | 2.43% | 3.72% | 13.97% | 2.91% | 4.12% | 4.53% | 0.10% | 0.02% | 1.83% |
OBMCX Oberweis Micro Cap Fund | 1.29% | 1.41% | 2.53% | 0.00% | 1.37% | 24.35% | 0.00% | 0.00% | 19.67% | 11.76% | 0.05% | 3.07% |
Drawdowns
PRDSX vs. OBMCX - Drawdown Comparison
The maximum PRDSX drawdown since its inception was -58.95%, smaller than the maximum OBMCX drawdown of -68.24%. Use the drawdown chart below to compare losses from any high point for PRDSX and OBMCX.
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Drawdown Indicators
| PRDSX | OBMCX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -58.95% | -68.24% | +9.29% |
Max Drawdown (1Y)Largest decline over 1 year | -13.24% | -12.68% | -0.56% |
Max Drawdown (5Y)Largest decline over 5 years | -33.17% | -28.11% | -5.06% |
Max Drawdown (10Y)Largest decline over 10 years | -37.61% | -50.04% | +12.43% |
Current DrawdownCurrent decline from peak | -12.08% | -8.84% | -3.24% |
Average DrawdownAverage peak-to-trough decline | -14.23% | -16.51% | +2.28% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.42% | 3.53% | -0.11% |
Volatility
PRDSX vs. OBMCX - Volatility Comparison
The current volatility for T. Rowe Price QM U.S. Small-Cap Growth Equity Fund (PRDSX) is 7.45%, while Oberweis Micro Cap Fund (OBMCX) has a volatility of 11.54%. This indicates that PRDSX experiences smaller price fluctuations and is considered to be less risky than OBMCX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PRDSX | OBMCX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.45% | 11.54% | -4.09% |
Volatility (6M)Calculated over the trailing 6-month period | 15.20% | 18.92% | -3.72% |
Volatility (1Y)Calculated over the trailing 1-year period | 23.29% | 27.25% | -3.96% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.36% | 26.10% | -4.74% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.46% | 25.70% | -4.24% |