RIVSX vs. MASKX
Compare and contrast key facts about River Oak Discovery Fund (RIVSX) and iShares Russell 2000 Small-Cap Index Fund (MASKX).
RIVSX is managed by Oak Associates. It was launched on Jun 30, 2005. MASKX is managed by BlackRock. It was launched on Apr 9, 1997.
Performance
RIVSX vs. MASKX - Performance Comparison
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RIVSX vs. MASKX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
RIVSX River Oak Discovery Fund | 4.25% | 9.11% | 4.42% | 8.18% | -14.53% | 24.78% | 29.00% | 30.36% | -13.72% | 11.33% |
MASKX iShares Russell 2000 Small-Cap Index Fund | -2.51% | 12.76% | 11.35% | 16.99% | -20.39% | 14.54% | 19.99% | 25.54% | -11.03% | 14.61% |
Returns By Period
In the year-to-date period, RIVSX achieves a 4.25% return, which is significantly higher than MASKX's -2.51% return. Both investments have delivered pretty close results over the past 10 years, with RIVSX having a 9.61% annualized return and MASKX not far behind at 9.43%.
RIVSX
- 1D
- -0.97%
- 1M
- -7.33%
- YTD
- 4.25%
- 6M
- 8.20%
- 1Y
- 24.27%
- 3Y*
- 7.47%
- 5Y*
- 4.09%
- 10Y*
- 9.61%
MASKX
- 1D
- -1.48%
- 1M
- -8.19%
- YTD
- -2.51%
- 6M
- -0.38%
- 1Y
- 21.43%
- 3Y*
- 11.69%
- 5Y*
- 3.00%
- 10Y*
- 9.43%
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RIVSX vs. MASKX - Expense Ratio Comparison
RIVSX has a 1.18% expense ratio, which is higher than MASKX's 0.12% expense ratio.
Return for Risk
RIVSX vs. MASKX — Risk / Return Rank
RIVSX
MASKX
RIVSX vs. MASKX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for River Oak Discovery Fund (RIVSX) and iShares Russell 2000 Small-Cap Index Fund (MASKX). 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.
| RIVSX | MASKX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 1.09 | 0.91 | +0.18 |
Sortino ratioReturn per unit of downside risk | 1.67 | 1.40 | +0.28 |
Omega ratioGain probability vs. loss probability | 1.22 | 1.18 | +0.04 |
Calmar ratioReturn relative to maximum drawdown | 1.73 | 1.32 | +0.41 |
Martin ratioReturn relative to average drawdown | 6.62 | 5.00 | +1.63 |
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
| RIVSX | MASKX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.09 | 0.91 | +0.18 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.20 | 0.13 | +0.07 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.44 | 0.40 | +0.04 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.33 | 0.34 | -0.01 |
Correlation
The correlation between RIVSX and MASKX is 0.90, 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
RIVSX vs. MASKX - Dividend Comparison
RIVSX's dividend yield for the trailing twelve months is around 0.28%, less than MASKX's 3.22% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
RIVSX River Oak Discovery Fund | 0.28% | 0.29% | 0.00% | 0.00% | 0.15% | 16.84% | 14.54% | 3.81% | 17.54% | 5.48% | 0.00% | 0.11% |
MASKX iShares Russell 2000 Small-Cap Index Fund | 3.22% | 3.13% | 4.81% | 2.92% | 1.70% | 7.64% | 1.42% | 3.43% | 4.26% | 3.15% | 4.60% | 3.63% |
Drawdowns
RIVSX vs. MASKX - Drawdown Comparison
The maximum RIVSX drawdown since its inception was -60.61%, roughly equal to the maximum MASKX drawdown of -59.06%. Use the drawdown chart below to compare losses from any high point for RIVSX and MASKX.
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Drawdown Indicators
| RIVSX | MASKX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -60.61% | -59.06% | -1.55% |
Max Drawdown (1Y)Largest decline over 1 year | -12.41% | -13.89% | +1.48% |
Max Drawdown (5Y)Largest decline over 5 years | -25.75% | -31.98% | +6.23% |
Max Drawdown (10Y)Largest decline over 10 years | -41.45% | -41.68% | +0.23% |
Current DrawdownCurrent decline from peak | -9.11% | -11.01% | +1.90% |
Average DrawdownAverage peak-to-trough decline | -10.57% | -11.69% | +1.12% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.24% | 3.68% | -0.44% |
Volatility
RIVSX vs. MASKX - Volatility Comparison
The current volatility for River Oak Discovery Fund (RIVSX) is 5.47%, while iShares Russell 2000 Small-Cap Index Fund (MASKX) has a volatility of 6.63%. This indicates that RIVSX experiences smaller price fluctuations and is considered to be less risky than MASKX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| RIVSX | MASKX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.47% | 6.63% | -1.16% |
Volatility (6M)Calculated over the trailing 6-month period | 13.56% | 14.09% | -0.53% |
Volatility (1Y)Calculated over the trailing 1-year period | 22.40% | 23.10% | -0.70% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 20.34% | 23.14% | -2.80% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 21.87% | 23.63% | -1.76% |