RCKSX vs. SGOIX

Last updated Apr 2, 2026

Compare and contrast key facts about Rock Oak Core Growth Fund (RCKSX) and First Eagle Overseas Fund Class I (SGOIX).

RCKSX is managed by Oak Associates. It was launched on Dec 31, 2004. SGOIX is managed by First Eagle.

Performance

RCKSX vs. SGOIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Rock Oak Core Growth Fund (RCKSX) and First Eagle Overseas Fund Class I (SGOIX). The values are adjusted to include any dividend payments, if applicable.

RCKSX vs. SGOIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
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%
SGOIX First Eagle Overseas Fund Class I	3.80%	39.06%	6.45%	10.73%	-7.86%	5.25%	7.25%	17.90%	-9.95%	14.38%

Returns By Period

In the year-to-date period, RCKSX achieves a 7.71% return, which is significantly higher than SGOIX's 3.80% return. Over the past 10 years, RCKSX has outperformed SGOIX with an annualized return of 10.38%, while SGOIX has yielded a comparatively lower 8.31% annualized return.

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%

SGOIX

• 1D: 2.33%
• 1M: -7.69%
• YTD: 3.80%
• 6M: 9.66%
• 1Y: 29.85%
• 3Y*: 16.77%
• 5Y*: 10.05%
• 10Y*: 8.31%

*Multi-year figures are annualized to reflect compound growth (CAGR)

RCKSX vs. SGOIX - Expense Ratio Comparison

RCKSX has a 1.25% expense ratio, which is higher than SGOIX's 0.88% expense ratio.

RCKSX

Rock Oak Core Growth Fund

SGOIX

First Eagle Overseas Fund Class I

Return for Risk

RCKSX vs. SGOIX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

RCKSX

RCKSX Risk / Return Rank: 77
RCKSX Sharpe Ratio Rank: 73
RCKSX Sortino Ratio Rank: 77
RCKSX Omega Ratio Rank: 68
RCKSX Calmar Ratio Rank: 80
RCKSX Martin Ratio Rank: 90

SGOIX

SGOIX Risk / Return Rank: 92
SGOIX Sharpe Ratio Rank: 94
SGOIX Sortino Ratio Rank: 92
SGOIX Omega Ratio Rank: 92
SGOIX Calmar Ratio Rank: 90
SGOIX Martin Ratio Rank: 91

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

RCKSX vs. SGOIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Rock Oak Core Growth Fund (RCKSX) and First Eagle Overseas Fund Class I (SGOIX). 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.

	RCKSX	SGOIX	Difference
Sharpe ratio Return per unit of total volatility	1.40	2.21	-0.81
Sortino ratio Return per unit of downside risk	2.06	2.80	-0.74
Omega ratio Gain probability vs. loss probability	1.28	1.44	-0.16
Calmar ratio Return relative to maximum drawdown	2.09	2.59	-0.50
Martin ratio Return relative to average drawdown	10.93	10.79	+0.14
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RCKSX vs. SGOIX - Sharpe Ratio Comparison

The current RCKSX Sharpe Ratio is 1.40, which is lower than the SGOIX Sharpe Ratio of 2.21. The chart below compares the historical Sharpe Ratios of RCKSX and SGOIX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	RCKSX	SGOIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.40	2.21	-0.81
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.38	0.86	-0.48
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.59	0.73	-0.14
Sharpe Ratio (All Time) Calculated using the full available price history	0.37	0.88	-0.51

Correlation

The correlation between RCKSX and SGOIX is 0.54, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

RCKSX vs. SGOIX - Dividend Comparison

RCKSX's dividend yield for the trailing twelve months is around 5.81%, less than SGOIX's 8.15% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
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%
SGOIX First Eagle Overseas Fund Class I	8.15%	8.45%	8.49%	2.45%	3.81%	5.92%	0.47%	5.70%	3.36%	3.59%	3.80%	1.58%

Drawdowns

RCKSX vs. SGOIX - Drawdown Comparison

The maximum RCKSX drawdown since its inception was -57.88%, which is greater than SGOIX's maximum drawdown of -35.54%. Use the drawdown chart below to compare losses from any high point for RCKSX and SGOIX.

Drawdown Indicators

	RCKSX	SGOIX	Difference
Max Drawdown Largest peak-to-trough decline	-57.88%	-35.54%	-22.34%
Max Drawdown (1Y) Largest decline over 1 year	-11.29%	-11.35%	+0.06%
Max Drawdown (5Y) Largest decline over 5 years	-23.50%	-21.39%	-2.11%
Max Drawdown (10Y) Largest decline over 10 years	-33.10%	-24.79%	-8.31%
Current Drawdown Current decline from peak	-1.74%	-8.91%	+7.17%
Average Drawdown Average peak-to-trough decline	-9.58%	-4.57%	-5.01%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.16%	2.72%	-0.56%

Volatility

RCKSX vs. SGOIX - Volatility Comparison

The current volatility for Rock Oak Core Growth Fund (RCKSX) is 3.72%, while First Eagle Overseas Fund Class I (SGOIX) has a volatility of 6.40%. This indicates that RCKSX experiences smaller price fluctuations and is considered to be less risky than SGOIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RCKSX	SGOIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.72%	6.40%	-2.68%
Volatility (6M) Calculated over the trailing 6-month period	8.88%	9.85%	-0.97%
Volatility (1Y) Calculated over the trailing 1-year period	16.40%	13.64%	+2.76%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.78%	11.77%	+4.01%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.59%	11.37%	+6.22%