AFOCX vs. RCKSX

Last updated Apr 1, 2026

Compare and contrast key facts about Archer Focus Fund (AFOCX) and Rock Oak Core Growth Fund (RCKSX).

AFOCX is managed by Archer. It was launched on Dec 31, 2019. RCKSX is managed by Oak Associates. It was launched on Dec 31, 2004.

Performance

AFOCX vs. RCKSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Archer Focus Fund (AFOCX) and Rock Oak Core Growth Fund (RCKSX). The values are adjusted to include any dividend payments, if applicable.

AFOCX vs. RCKSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020
AFOCX Archer Focus Fund	-4.49%	0.73%	29.35%	14.14%	-9.32%	19.98%	10.13%
RCKSX Rock Oak Core Growth Fund	6.05%	12.99%	15.12%	15.57%	-18.09%	9.96%	13.75%

Returns By Period

In the year-to-date period, AFOCX achieves a -4.49% return, which is significantly lower than RCKSX's 6.05% return.

AFOCX

• 1D: -0.45%
• 1M: -8.33%
• YTD: -4.49%
• 6M: -6.17%
• 1Y: -0.02%
• 3Y*: 10.15%
• 5Y*: 7.95%
• 10Y*: —

RCKSX

• 1D: -0.32%
• 1M: -2.56%
• YTD: 6.05%
• 6M: 6.54%
• 1Y: 21.02%
• 3Y*: 16.53%
• 5Y*: 5.89%
• 10Y*: 10.21%

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

AFOCX vs. RCKSX - Expense Ratio Comparison

AFOCX has a 3.29% expense ratio, which is higher than RCKSX's 1.25% expense ratio.

AFOCX

Archer Focus Fund

RCKSX

Rock Oak Core Growth Fund

Return for Risk

AFOCX vs. RCKSX — Risk / Return Rank

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

AFOCX

AFOCX Risk / Return Rank: 6
AFOCX Sharpe Ratio Rank: 6
AFOCX Sortino Ratio Rank: 6
AFOCX Omega Ratio Rank: 6
AFOCX Calmar Ratio Rank: 6
AFOCX Martin Ratio Rank: 5

RCKSX

RCKSX Risk / Return Rank: 77
RCKSX Sharpe Ratio Rank: 75
RCKSX Sortino Ratio Rank: 78
RCKSX Omega Ratio Rank: 70
RCKSX Calmar Ratio Rank: 75
RCKSX Martin Ratio Rank: 87

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.

AFOCX vs. RCKSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Archer Focus Fund (AFOCX) 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.

	AFOCX	RCKSX	Difference
Sharpe ratio Return per unit of total volatility	0.05	1.33	-1.28
Sortino ratio Return per unit of downside risk	0.19	1.96	-1.77
Omega ratio Gain probability vs. loss probability	1.02	1.26	-0.24
Calmar ratio Return relative to maximum drawdown	-0.04	1.76	-1.80
Martin ratio Return relative to average drawdown	-0.17	9.21	-9.38
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AFOCX vs. RCKSX - Sharpe Ratio Comparison

The current AFOCX Sharpe Ratio is 0.05, which is lower than the RCKSX Sharpe Ratio of 1.33. The chart below compares the historical Sharpe Ratios of AFOCX and RCKSX, 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

	AFOCX	RCKSX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.05	1.33	-1.28
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.01	0.38	-0.36
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.58	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.02	0.36	-0.35

Correlation

The correlation between AFOCX and RCKSX is 0.84, 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

AFOCX vs. RCKSX - Dividend Comparison

AFOCX's dividend yield for the trailing twelve months is around 2.76%, less than RCKSX's 5.90% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AFOCX Archer Focus Fund	2.76%	2.63%	22.61%	1.65%	6.64%	9.74%	0.57%	0.00%	0.00%	0.00%	0.00%	0.00%
RCKSX Rock Oak Core Growth Fund	5.90%	6.26%	0.47%	0.71%	1.00%	4.31%	16.56%	3.18%	0.59%	5.91%	0.70%	3.21%

Drawdowns

AFOCX vs. RCKSX - Drawdown Comparison

The maximum AFOCX drawdown since its inception was -91.99%, which is greater than RCKSX's maximum drawdown of -57.88%. Use the drawdown chart below to compare losses from any high point for AFOCX and RCKSX.

Drawdown Indicators

	AFOCX	RCKSX	Difference
Max Drawdown Largest peak-to-trough decline	-91.99%	-57.88%	-34.11%
Max Drawdown (1Y) Largest decline over 1 year	-11.25%	-11.29%	+0.04%
Max Drawdown (5Y) Largest decline over 5 years	-91.99%	-23.50%	-68.49%
Max Drawdown (10Y) Largest decline over 10 years	—	-33.10%	—
Current Drawdown Current decline from peak	-91.03%	-3.25%	-87.78%
Average Drawdown Average peak-to-trough decline	-21.09%	-9.58%	-11.51%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.98%	2.15%	+0.83%

Volatility

AFOCX vs. RCKSX - Volatility Comparison

Archer Focus Fund (AFOCX) has a higher volatility of 4.28% compared to Rock Oak Core Growth Fund (RCKSX) at 3.42%. This indicates that AFOCX'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.

Volatility by Period

	AFOCX	RCKSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.28%	3.42%	+0.86%
Volatility (6M) Calculated over the trailing 6-month period	9.03%	8.76%	+0.27%
Volatility (1Y) Calculated over the trailing 1-year period	16.52%	16.37%	+0.15%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	570.31%	15.77%	+554.54%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	510.77%	17.58%	+493.19%