AUERX vs. RIVSX

Last updated Apr 2, 2026

Compare and contrast key facts about Auer Growth Fund (AUERX) and River Oak Discovery Fund (RIVSX).

AUERX is managed by Auer. It was launched on Dec 28, 2007. RIVSX is managed by Oak Associates. It was launched on Jun 30, 2005.

Performance

AUERX vs. RIVSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Auer Growth Fund (AUERX) and River Oak Discovery Fund (RIVSX). The values are adjusted to include any dividend payments, if applicable.

AUERX vs. RIVSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
AUERX Auer Growth Fund	3.01%	30.10%	11.12%	21.42%	9.95%	45.11%	-1.85%	27.96%	-25.63%	28.75%
RIVSX River Oak Discovery Fund	7.17%	9.11%	4.42%	8.18%	-14.53%	24.78%	29.00%	30.36%	-13.72%	11.33%

Returns By Period

In the year-to-date period, AUERX achieves a 3.01% return, which is significantly lower than RIVSX's 7.17% return. Over the past 10 years, AUERX has outperformed RIVSX with an annualized return of 14.73%, while RIVSX has yielded a comparatively lower 9.92% annualized return.

AUERX

• 1D: 2.42%
• 1M: -5.91%
• YTD: 3.01%
• 6M: 8.81%
• 1Y: 40.33%
• 3Y*: 21.36%
• 5Y*: 18.30%
• 10Y*: 14.73%

RIVSX

• 1D: 2.80%
• 1M: -5.29%
• YTD: 7.17%
• 6M: 10.76%
• 1Y: 26.82%
• 3Y*: 8.46%
• 5Y*: 4.05%
• 10Y*: 9.92%

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

AUERX vs. RIVSX - Expense Ratio Comparison

AUERX has a 2.37% expense ratio, which is higher than RIVSX's 1.18% expense ratio.

AUERX

Auer Growth Fund

RIVSX

River Oak Discovery Fund

Return for Risk

AUERX vs. RIVSX — Risk / Return Rank

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

AUERX

AUERX Risk / Return Rank: 92
AUERX Sharpe Ratio Rank: 92
AUERX Sortino Ratio Rank: 91
AUERX Omega Ratio Rank: 89
AUERX Calmar Ratio Rank: 92
AUERX Martin Ratio Rank: 95

RIVSX

RIVSX Risk / Return Rank: 70
RIVSX Sharpe Ratio Rank: 63
RIVSX Sortino Ratio Rank: 68
RIVSX Omega Ratio Rank: 56
RIVSX Calmar Ratio Rank: 83
RIVSX Martin Ratio Rank: 78

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.

AUERX vs. RIVSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Auer Growth Fund (AUERX) and River Oak Discovery Fund (RIVSX). 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.

	AUERX	RIVSX	Difference
Sharpe ratio Return per unit of total volatility	2.07	1.24	+0.83
Sortino ratio Return per unit of downside risk	2.70	1.87	+0.83
Omega ratio Gain probability vs. loss probability	1.40	1.24	+0.16
Calmar ratio Return relative to maximum drawdown	2.91	2.24	+0.68
Martin ratio Return relative to average drawdown	13.68	8.50	+5.19
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AUERX vs. RIVSX - Sharpe Ratio Comparison

The current AUERX Sharpe Ratio is 2.07, which is higher than the RIVSX Sharpe Ratio of 1.24. The chart below compares the historical Sharpe Ratios of AUERX and RIVSX, 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

	AUERX	RIVSX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.07	1.24	+0.83
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.74	0.20	+0.54
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.61	0.45	+0.15
Sharpe Ratio (All Time) Calculated using the full available price history	0.18	0.33	-0.15

Correlation

The correlation between AUERX and RIVSX is 0.82, 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

AUERX vs. RIVSX - Dividend Comparison

AUERX's dividend yield for the trailing twelve months is around 11.06%, more than RIVSX's 0.27% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AUERX Auer Growth Fund	11.06%	11.39%	24.55%	4.54%	5.95%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
RIVSX River Oak Discovery Fund	0.27%	0.29%	0.00%	0.00%	0.15%	16.84%	14.54%	3.81%	17.54%	5.48%	0.00%	0.11%

Drawdowns

AUERX vs. RIVSX - Drawdown Comparison

The maximum AUERX drawdown since its inception was -67.23%, which is greater than RIVSX's maximum drawdown of -60.61%. Use the drawdown chart below to compare losses from any high point for AUERX and RIVSX.

Drawdown Indicators

	AUERX	RIVSX	Difference
Max Drawdown Largest peak-to-trough decline	-67.23%	-60.61%	-6.62%
Max Drawdown (1Y) Largest decline over 1 year	-13.70%	-12.41%	-1.29%
Max Drawdown (5Y) Largest decline over 5 years	-34.80%	-25.75%	-9.05%
Max Drawdown (10Y) Largest decline over 10 years	-51.89%	-41.45%	-10.44%
Current Drawdown Current decline from peak	-5.91%	-6.56%	+0.65%
Average Drawdown Average peak-to-trough decline	-25.10%	-10.57%	-14.53%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.92%	3.27%	-0.35%

Volatility

AUERX vs. RIVSX - Volatility Comparison

The current volatility for Auer Growth Fund (AUERX) is 5.82%, while River Oak Discovery Fund (RIVSX) has a volatility of 6.25%. This indicates that AUERX experiences smaller price fluctuations and is considered to be less risky than RIVSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AUERX	RIVSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.82%	6.25%	-0.43%
Volatility (6M) Calculated over the trailing 6-month period	12.69%	13.82%	-1.13%
Volatility (1Y) Calculated over the trailing 1-year period	19.73%	22.52%	-2.79%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	24.95%	20.37%	+4.58%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.37%	21.88%	+2.49%