MSIGX vs. RCKSX
Compare and contrast key facts about Invesco Main Street Fund (MSIGX) and Rock Oak Core Growth Fund (RCKSX).
MSIGX is managed by Invesco. It was launched on Feb 3, 1988. RCKSX is managed by Oak Associates. It was launched on Dec 31, 2004.
Performance
MSIGX vs. RCKSX - Performance Comparison
Loading graphics...
MSIGX vs. RCKSX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
MSIGX Invesco Main Street Fund | -6.99% | 16.02% | 23.66% | 23.06% | -20.21% | 27.37% | 14.41% | 22.49% | -8.25% | 16.79% |
RCKSX Rock Oak Core Growth Fund | 7.71% | 12.99% | 15.12% | 15.57% | -18.09% | 9.96% | 13.75% | 19.05% | -2.14% | 22.69% |
Returns By Period
In the year-to-date period, MSIGX achieves a -6.99% return, which is significantly lower than RCKSX's 7.71% return. Both investments have delivered pretty close results over the past 10 years, with MSIGX having a 10.63% annualized return and RCKSX not far behind at 10.38%.
MSIGX
- 1D
- 2.90%
- 1M
- -5.77%
- YTD
- -6.99%
- 6M
- -5.96%
- 1Y
- 12.31%
- 3Y*
- 15.27%
- 5Y*
- 8.87%
- 10Y*
- 10.63%
RCKSX
- 1D
- 1.56%
- 1M
- -1.74%
- YTD
- 7.71%
- 6M
- 8.21%
- 1Y
- 22.14%
- 3Y*
- 17.13%
- 5Y*
- 5.93%
- 10Y*
- 10.38%
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
MSIGX vs. RCKSX - Expense Ratio Comparison
MSIGX has a 0.82% expense ratio, which is lower than RCKSX's 1.25% expense ratio.
Return for Risk
MSIGX vs. RCKSX — Risk / Return Rank
MSIGX
RCKSX
MSIGX vs. RCKSX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Invesco Main Street Fund (MSIGX) and Rock Oak Core Growth Fund (RCKSX). 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.
| MSIGX | RCKSX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.77 | 1.40 | -0.63 |
Sortino ratioReturn per unit of downside risk | 1.26 | 2.06 | -0.79 |
Omega ratioGain probability vs. loss probability | 1.18 | 1.28 | -0.10 |
Calmar ratioReturn relative to maximum drawdown | 0.31 | 2.09 | -1.77 |
Martin ratioReturn relative to average drawdown | 1.22 | 10.93 | -9.71 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading graphics...
Sharpe Ratios by Period
| MSIGX | RCKSX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.77 | 1.40 | -0.63 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.54 | 0.38 | +0.16 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.60 | 0.59 | +0.01 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.63 | 0.37 | +0.26 |
Correlation
The correlation between MSIGX and RCKSX is 0.87, 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
MSIGX vs. RCKSX - Dividend Comparison
MSIGX's dividend yield for the trailing twelve months is around 8.06%, more than RCKSX's 5.81% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MSIGX Invesco Main Street Fund | 8.06% | 7.50% | 6.06% | 7.40% | 4.68% | 19.19% | 3.17% | 0.89% | 19.62% | 7.50% | 2.96% | 13.79% |
RCKSX Rock Oak Core Growth Fund | 5.81% | 6.26% | 0.47% | 0.71% | 1.00% | 4.31% | 16.56% | 3.18% | 0.59% | 5.91% | 0.70% | 3.21% |
Drawdowns
MSIGX vs. RCKSX - Drawdown Comparison
The maximum MSIGX drawdown since its inception was -57.22%, roughly equal to the maximum RCKSX drawdown of -57.88%. Use the drawdown chart below to compare losses from any high point for MSIGX and RCKSX.
Loading graphics...
Drawdown Indicators
| MSIGX | RCKSX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -57.22% | -57.88% | +0.66% |
Max Drawdown (1Y)Largest decline over 1 year | -11.78% | -11.29% | -0.49% |
Max Drawdown (5Y)Largest decline over 5 years | -26.73% | -23.50% | -3.23% |
Max Drawdown (10Y)Largest decline over 10 years | -35.41% | -33.10% | -2.31% |
Current DrawdownCurrent decline from peak | -8.38% | -1.74% | -6.64% |
Average DrawdownAverage peak-to-trough decline | -9.03% | -9.58% | +0.55% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.27% | 2.16% | +2.11% |
Volatility
MSIGX vs. RCKSX - Volatility Comparison
Invesco Main Street Fund (MSIGX) has a higher volatility of 5.28% compared to Rock Oak Core Growth Fund (RCKSX) at 3.72%. This indicates that MSIGX's price experiences larger fluctuations and is considered to be riskier than RCKSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading graphics...
Volatility by Period
| MSIGX | RCKSX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.28% | 3.72% | +1.56% |
Volatility (6M)Calculated over the trailing 6-month period | 9.48% | 8.88% | +0.60% |
Volatility (1Y)Calculated over the trailing 1-year period | 18.55% | 16.40% | +2.15% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.92% | 15.78% | +1.14% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 17.87% | 17.59% | +0.28% |