NWAUX vs. RCKSX

Last updated Apr 2, 2026

Compare and contrast key facts about Nationwide GQG US Quality Equity Fund (NWAUX) and Rock Oak Core Growth Fund (RCKSX).

NWAUX is managed by Nationwide. It was launched on Jan 24, 2021. RCKSX is managed by Oak Associates. It was launched on Dec 31, 2004.

Performance

NWAUX vs. RCKSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Nationwide GQG US Quality Equity Fund (NWAUX) and Rock Oak Core Growth Fund (RCKSX). The values are adjusted to include any dividend payments, if applicable.

NWAUX vs. RCKSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
NWAUX Nationwide GQG US Quality Equity Fund	9.49%	-4.92%	27.90%	18.30%	-3.23%	22.65%
RCKSX Rock Oak Core Growth Fund	7.71%	12.99%	15.12%	15.57%	-18.09%	2.60%

Returns By Period

In the year-to-date period, NWAUX achieves a 9.49% return, which is significantly higher than RCKSX's 7.71% return.

NWAUX

• 1D: -0.20%
• 1M: -1.80%
• YTD: 9.49%
• 6M: 7.91%
• 1Y: 4.79%
• 3Y*: 17.34%
• 5Y*: 12.43%
• 10Y*: —

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%

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

NWAUX vs. RCKSX - Expense Ratio Comparison

NWAUX has a 0.74% expense ratio, which is lower than RCKSX's 1.25% expense ratio.

RCKSX

Rock Oak Core Growth Fund

NWAUX

Nationwide GQG US Quality Equity Fund

Return for Risk

NWAUX vs. RCKSX — Risk / Return Rank

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

NWAUX

NWAUX Risk / Return Rank: 13
NWAUX Sharpe Ratio Rank: 12
NWAUX Sortino Ratio Rank: 11
NWAUX Omega Ratio Rank: 10
NWAUX Calmar Ratio Rank: 19
NWAUX Martin Ratio Rank: 13

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

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.

NWAUX vs. RCKSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Nationwide GQG US Quality Equity Fund (NWAUX) 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.

	NWAUX	RCKSX	Difference
Sharpe ratio Return per unit of total volatility	0.38	1.40	-1.02
Sortino ratio Return per unit of downside risk	0.59	2.06	-1.47
Omega ratio Gain probability vs. loss probability	1.08	1.28	-0.20
Calmar ratio Return relative to maximum drawdown	0.66	2.09	-1.43
Martin ratio Return relative to average drawdown	1.53	10.93	-9.40
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

NWAUX vs. RCKSX - Sharpe Ratio Comparison

The current NWAUX Sharpe Ratio is 0.38, which is lower than the RCKSX Sharpe Ratio of 1.40. The chart below compares the historical Sharpe Ratios of NWAUX 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

	NWAUX	RCKSX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.38	1.40	-1.02
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.78	0.38	+0.40
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.59	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.82	0.37	+0.46

Correlation

The correlation between NWAUX and RCKSX is 0.58, 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

NWAUX vs. RCKSX - Dividend Comparison

NWAUX's dividend yield for the trailing twelve months is around 4.70%, less than RCKSX's 5.81% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
NWAUX Nationwide GQG US Quality Equity Fund	4.70%	4.35%	13.58%	0.40%	1.93%	0.60%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
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

NWAUX vs. RCKSX - Drawdown Comparison

The maximum NWAUX drawdown since its inception was -21.07%, smaller than the maximum RCKSX drawdown of -57.88%. Use the drawdown chart below to compare losses from any high point for NWAUX and RCKSX.

Drawdown Indicators

	NWAUX	RCKSX	Difference
Max Drawdown Largest peak-to-trough decline	-21.07%	-57.88%	+36.81%
Max Drawdown (1Y) Largest decline over 1 year	-8.57%	-11.29%	+2.72%
Max Drawdown (5Y) Largest decline over 5 years	-21.07%	-23.50%	+2.43%
Max Drawdown (10Y) Largest decline over 10 years	—	-33.10%	—
Current Drawdown Current decline from peak	-7.22%	-1.74%	-5.48%
Average Drawdown Average peak-to-trough decline	-6.85%	-9.58%	+2.73%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.83%	2.16%	+1.67%

Volatility

NWAUX vs. RCKSX - Volatility Comparison

The current volatility for Nationwide GQG US Quality Equity Fund (NWAUX) is 2.74%, while Rock Oak Core Growth Fund (RCKSX) has a volatility of 3.72%. This indicates that NWAUX experiences smaller price fluctuations and is considered to be less risky than RCKSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	NWAUX	RCKSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.74%	3.72%	-0.98%
Volatility (6M) Calculated over the trailing 6-month period	7.29%	8.88%	-1.59%
Volatility (1Y) Calculated over the trailing 1-year period	12.55%	16.40%	-3.85%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.10%	15.78%	+0.32%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.04%	17.59%	-1.55%