PRDSX vs. SLYG
PRDSX (T. Rowe Price QM U.S. Small-Cap Growth Equity Fund) and SLYG (SPDR S&P 600 Small Cap Growth ETF) are both Small Cap Growth Equities funds. Over the past 10 years, PRDSX returned 11.40%/yr vs 11.13%/yr for SLYG. Their correlation of 0.92 means they have usually moved in the same direction. PRDSX charges 0.78%/yr vs 0.15%/yr for SLYG.
Performance
PRDSX vs. SLYG - Performance Comparison
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Returns By Period
In the year-to-date period, PRDSX achieves a 16.17% return, which is significantly lower than SLYG's 22.81% return. Both investments have delivered pretty close results over the past 10 years, with PRDSX having a 11.40% annualized return and SLYG not far behind at 11.13%.
PRDSX
- 1D
- 2.51%
- 1M
- -2.13%
- 6M
- 11.17%
- YTD
- 16.17%
- 1Y
- 26.90%
- 3Y*
- 14.65%
- 5Y*
- 7.10%
- 10Y*
- 11.40%
- ALL TIME*
- 8.64%
SLYG
- 1D
- -0.26%
- 1M
- -1.84%
- 6M
- 17.16%
- YTD
- 22.81%
- 1Y
- 32.40%
- 3Y*
- 14.03%
- 5Y*
- 6.56%
- 10Y*
- 11.13%
- ALL TIME*
- 7.44%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $10.44M | $11.89M | $13.41M |
PRDSX vs. SLYG - 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 | 16.17% | 10.10% | 12.97% | 21.15% | -22.49% | 11.15% | 23.85% | 32.75% | -6.91% | 22.12% |
SLYG SPDR S&P 600 Small Cap Growth ETF | 22.81% | 5.20% | 9.38% | 17.27% | -21.26% | 22.42% | 19.48% | 20.97% | -4.20% | 14.62% |
Correlation
The correlation between PRDSX and SLYG is 0.92, meaning they have usually moved in the same direction, including during past declines.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.92 |
Correlation (3Y) Balances recent behavior with more history. | 0.93 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.95 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.93 |
Correlation (All Time) Calculated using the full available price history since Oct 2, 2000 | 0.92 |
The correlation between PRDSX and SLYG has been stable across timeframes, ranging from 0.92 to 0.95 - a consistent structural relationship.
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Return for Risk
PRDSX vs. SLYG — Risk / Return Rank
PRDSX
SLYG
PRDSX vs. SLYG - 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 SPDR S&P 600 Small Cap Growth ETF (SLYG). 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.
| PRDSX | SLYG | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.52 | ||
| Sortino ratioReturn per unit of downside risk | -0.77 | ||
| Omega ratioGain probability vs. loss probability | 1.21 | 1.30 | -0.09 |
| Calmar ratioReturn relative to maximum drawdown | 1.99 | 3.33 | -1.34 |
| Martin ratioReturn relative to average drawdown | 7.28 | 11.35 | -4.07 |
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Drawdowns
PRDSX vs. SLYG - Drawdown Comparison
The maximum PRDSX drawdown since its inception was -58.95%, smaller than the maximum SLYG drawdown of -62.92%. Use the drawdown chart below to compare losses from any high point for PRDSX and SLYG.
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Drawdown Indicators
| PRDSX | SLYG | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -58.95% | -62.92% | +3.97% |
Max Drawdown (1Y)Largest decline over 1 year | -12.08% | -9.10% | -2.98% |
Max Drawdown (3Y)Largest decline over 3 years | -25.84% | -27.39% | +1.55% |
Max Drawdown (5Y)Largest decline over 5 years | -33.17% | -29.18% | -3.99% |
Max Drawdown (10Y)Largest decline over 10 years | -37.61% | -41.86% | +4.25% |
Current DrawdownCurrent decline from peak | -4.03% | -3.28% | -0.75% |
Average DrawdownAverage peak-to-trough decline | -14.09% | -14.83% | +0.74% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.30% | 2.67% | +0.63% |
Volatility
PRDSX vs. SLYG - Volatility Comparison
T. Rowe Price QM U.S. Small-Cap Growth Equity Fund (PRDSX) has a higher volatility of 5.27% compared to SPDR S&P 600 Small Cap Growth ETF (SLYG) at 4.06%. This indicates that PRDSX's price experiences larger fluctuations and is considered to be riskier than SLYG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PRDSX | SLYG | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.27% | 4.06% | +1.21% |
Volatility (6M)Calculated over the trailing 6-month period | 16.31% | 12.90% | +3.41% |
Volatility (1Y)Calculated over the trailing 1-year period | 20.27% | 17.83% | +2.44% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.58% | 21.49% | +0.09% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.57% | 22.72% | -1.15% |
PRDSX vs. SLYG - Expense Ratio Comparison
PRDSX has a 0.78% expense ratio, which is higher than SLYG's 0.15% expense ratio.
Dividends
PRDSX vs. SLYG - Dividend Comparison
PRDSX's dividend yield for the trailing twelve months is around 5.46%, more than SLYG's 0.66% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PRDSX T. Rowe Price QM U.S. Small-Cap Growth Equity Fund | 5.46% | 6.35% | 7.96% | 2.43% | 3.72% | 13.97% | 2.91% | 4.12% | 4.53% | 0.10% | 0.02% | 1.83% |
SLYG SPDR S&P 600 Small Cap Growth ETF | 0.66% | 0.86% | 1.22% | 1.18% | 1.18% | 0.68% | 0.71% | 1.08% | 1.06% | 4.74% | 1.13% | 5.75% |
Frequently Asked Questions
With a correlation of 0.92, PRDSX and SLYG move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
PRDSX has higher volatility (5.27%) compared to SLYG (4.06%). In terms of maximum drawdown, PRDSX dropped -58.95% vs SLYG's -62.92%.
SLYG currently has the higher Sharpe Ratio (1.70 vs 1.19), 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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