VIOG vs. PRDSX
Compare and contrast key facts about Vanguard S&P Small-Cap 600 Growth ETF (VIOG) and T. Rowe Price QM U.S. Small-Cap Growth Equity Fund (PRDSX).
VIOG is a passively managed fund by Vanguard that tracks the performance of the S&P SmallCap 600 Growth Index. It was launched on Sep 7, 2010. PRDSX is managed by T. Rowe Price. It was launched on Jun 30, 1997.
Performance
VIOG vs. PRDSX - Performance Comparison
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VIOG vs. PRDSX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
VIOG Vanguard S&P Small-Cap 600 Growth ETF | 3.68% | 5.40% | 9.23% | 16.92% | -21.14% | 22.49% | 19.68% | 21.16% | -4.57% | 14.70% |
PRDSX T. Rowe Price QM U.S. Small-Cap Growth Equity Fund | -0.54% | 17.44% | 12.97% | 21.15% | -22.49% | 11.15% | 23.85% | 32.75% | -6.91% | 22.12% |
Returns By Period
In the year-to-date period, VIOG achieves a 3.68% return, which is significantly higher than PRDSX's -0.54% return. Over the past 10 years, VIOG has underperformed PRDSX with an annualized return of 9.98%, while PRDSX has yielded a comparatively higher 11.28% annualized return.
VIOG
- 1D
- 0.84%
- 1M
- -4.45%
- YTD
- 3.68%
- 6M
- 3.73%
- 1Y
- 18.36%
- 3Y*
- 11.06%
- 5Y*
- 3.33%
- 10Y*
- 9.98%
PRDSX
- 1D
- 4.30%
- 1M
- -7.15%
- YTD
- -0.54%
- 6M
- 7.63%
- 1Y
- 26.69%
- 3Y*
- 14.27%
- 5Y*
- 5.39%
- 10Y*
- 11.28%
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VIOG vs. PRDSX - Expense Ratio Comparison
VIOG has a 0.15% expense ratio, which is lower than PRDSX's 0.78% expense ratio.
Return for Risk
VIOG vs. PRDSX — Risk / Return Rank
VIOG
PRDSX
VIOG vs. PRDSX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard S&P Small-Cap 600 Growth ETF (VIOG) and T. Rowe Price QM U.S. Small-Cap Growth Equity Fund (PRDSX). 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.
| VIOG | PRDSX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.84 | 1.15 | -0.31 |
Sortino ratioReturn per unit of downside risk | 1.32 | 1.79 | -0.46 |
Omega ratioGain probability vs. loss probability | 1.17 | 1.23 | -0.06 |
Calmar ratioReturn relative to maximum drawdown | 1.34 | 2.02 | -0.67 |
Martin ratioReturn relative to average drawdown | 5.42 | 7.71 | -2.29 |
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
| VIOG | PRDSX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.84 | 1.15 | -0.31 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.16 | 0.25 | -0.10 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.44 | 0.53 | -0.09 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.56 | 0.36 | +0.20 |
Correlation
The correlation between VIOG and PRDSX is 0.91, 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
VIOG vs. PRDSX - Dividend Comparison
VIOG's dividend yield for the trailing twelve months is around 0.93%, less than PRDSX's 12.76% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
VIOG Vanguard S&P Small-Cap 600 Growth ETF | 0.93% | 1.04% | 1.03% | 1.15% | 1.17% | 0.69% | 0.68% | 1.09% | 0.76% | 0.87% | 0.92% | 1.04% |
PRDSX T. Rowe Price QM U.S. Small-Cap Growth Equity Fund | 12.76% | 12.70% | 7.96% | 2.43% | 3.72% | 13.97% | 2.91% | 4.12% | 4.53% | 0.10% | 0.02% | 1.83% |
Drawdowns
VIOG vs. PRDSX - Drawdown Comparison
The maximum VIOG drawdown since its inception was -41.73%, smaller than the maximum PRDSX drawdown of -58.95%. Use the drawdown chart below to compare losses from any high point for VIOG and PRDSX.
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Drawdown Indicators
| VIOG | PRDSX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -41.73% | -58.95% | +17.22% |
Max Drawdown (1Y)Largest decline over 1 year | -13.82% | -13.24% | -0.58% |
Max Drawdown (5Y)Largest decline over 5 years | -29.15% | -33.17% | +4.02% |
Max Drawdown (10Y)Largest decline over 10 years | -41.73% | -37.61% | -4.12% |
Current DrawdownCurrent decline from peak | -5.05% | -8.30% | +3.25% |
Average DrawdownAverage peak-to-trough decline | -7.69% | -14.23% | +6.54% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.43% | 3.46% | -0.03% |
Volatility
VIOG vs. PRDSX - Volatility Comparison
The current volatility for Vanguard S&P Small-Cap 600 Growth ETF (VIOG) is 7.22%, while T. Rowe Price QM U.S. Small-Cap Growth Equity Fund (PRDSX) has a volatility of 8.74%. This indicates that VIOG experiences smaller price fluctuations and is considered to be less risky than PRDSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VIOG | PRDSX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.22% | 8.74% | -1.52% |
Volatility (6M)Calculated over the trailing 6-month period | 13.07% | 15.77% | -2.70% |
Volatility (1Y)Calculated over the trailing 1-year period | 22.01% | 23.62% | -1.61% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.53% | 21.44% | +0.09% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.82% | 21.50% | +1.32% |