AVUVX vs. OBSOX

Last updated Jun 5, 2026

AVUVX (Avantis U.S. Small Cap Value Fund) and OBSOX (Oberweis Small-Cap Opportunities Fund) are both mutual funds - AVUVX is a Small Cap Value Equities fund managed by Avantis Investors, while OBSOX is a Small Cap Growth Equities fund managed by Oberweis. Over the past 5 years, AVUVX returned 10.98%/yr vs 16.40%/yr for OBSOX. A 0.79 correlation means they provide meaningful diversification when combined. AVUVX charges 0.25%/yr vs 1.25%/yr for OBSOX.

Performance

AVUVX vs. OBSOX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Avantis U.S. Small Cap Value Fund (AVUVX) and Oberweis Small-Cap Opportunities Fund (OBSOX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, AVUVX achieves a 18.39% return, which is significantly lower than OBSOX's 34.47% return.

AVUVX

• 1D: -0.87%
• 1M: 0.39%
• YTD: 18.39%
• 6M: 17.78%
• 1Y: 39.17%
• 3Y*: 19.60%
• 5Y*: 10.98%
• 10Y*: —

OBSOX

• 1D: -1.51%
• 1M: 3.41%
• YTD: 34.47%
• 6M: 32.91%
• 1Y: 58.13%
• 3Y*: 23.43%
• 5Y*: 16.40%
• 10Y*: 18.83%

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

AVUVX vs. OBSOX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
AVUVX Avantis U.S. Small Cap Value Fund	18.39%	8.88%	8.83%	22.96%	-4.74%	40.31%	10.64%	4.95%
OBSOX Oberweis Small-Cap Opportunities Fund	34.47%	14.28%	16.13%	15.81%	-11.17%	43.39%	32.52%	2.67%

Correlation

The correlation between AVUVX and OBSOX is 0.65, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.65
Correlation (3Y) Calculated over the trailing 3-year period	0.76
Correlation (5Y) Calculated over the trailing 5-year period	0.82
Correlation (All Time) Calculated using the full available price history since Dec 5, 2019	0.79

The correlation between AVUVX and OBSOX shifts across timeframes, from 0.65 (1 year) to 0.82 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

AVUVX vs. OBSOX — Risk / Return Rank

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

AVUVX

AVUVX Risk / Return Rank: 65
AVUVX Sharpe Ratio Rank: 54
AVUVX Sortino Ratio Rank: 55
AVUVX Omega Ratio Rank: 47
AVUVX Calmar Ratio Rank: 90
AVUVX Martin Ratio Rank: 76

OBSOX

OBSOX Risk / Return Rank: 69
OBSOX Sharpe Ratio Rank: 62
OBSOX Sortino Ratio Rank: 50
OBSOX Omega Ratio Rank: 49
OBSOX Calmar Ratio Rank: 93
OBSOX Martin Ratio Rank: 92

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.

AVUVX vs. OBSOX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Avantis U.S. Small Cap Value Fund (AVUVX) and Oberweis Small-Cap Opportunities Fund (OBSOX). 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.

	AVUVX	OBSOX	Difference
Sharpe ratio: Return per unit of total volatility	2.19	2.31	-0.12
Sortino ratio: Return per unit of downside risk	3.14	2.98	+0.16
Omega ratio: Gain probability vs. loss probability	1.38	1.38	0.00
Calmar ratio: Return relative to maximum drawdown	4.66	5.18	-0.52
Martin ratio: Return relative to average drawdown	14.23	19.14	-4.92
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AVUVX vs. OBSOX - Sharpe Ratio Comparison

The current AVUVX Sharpe Ratio is 2.19, which is comparable to the OBSOX Sharpe Ratio of 2.31. The chart below compares the historical Sharpe Ratios of AVUVX and OBSOX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	AVUVX	OBSOX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.19	2.31	-0.12
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.49	0.66	-0.17
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.76	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.57	0.33	+0.24

Drawdowns

AVUVX vs. OBSOX - Drawdown Comparison

The maximum AVUVX drawdown since its inception was -50.24%, smaller than the maximum OBSOX drawdown of -80.52%. Use the drawdown chart below to compare losses from any high point for AVUVX and OBSOX.

Drawdown Indicators

	AVUVX	OBSOX	Difference
Max Drawdown Largest peak-to-trough decline	-50.24%	-80.52%	+30.28%
Max Drawdown (1Y) Largest decline over 1 year	-8.25%	-11.40%	+3.15%
Max Drawdown (3Y) Largest decline over 3 years	-28.81%	-27.74%	-1.07%
Max Drawdown (5Y) Largest decline over 5 years	-28.81%	-28.65%	-0.16%
Max Drawdown (10Y) Largest decline over 10 years	—	-42.79%	—
Current Drawdown Current decline from peak	-0.87%	-1.51%	+0.64%
Average Drawdown Average peak-to-trough decline	-7.74%	-30.55%	+22.81%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.70%	3.08%	-0.38%

Volatility

AVUVX vs. OBSOX - Volatility Comparison

The current volatility for Avantis U.S. Small Cap Value Fund (AVUVX) is 4.19%, while Oberweis Small-Cap Opportunities Fund (OBSOX) has a volatility of 9.11%. This indicates that AVUVX experiences smaller price fluctuations and is considered to be less risky than OBSOX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AVUVX	OBSOX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.19%	9.11%	-4.92%
Volatility (6M) Calculated over the trailing 6-month period	11.53%	20.46%	-8.93%
Volatility (1Y) Calculated over the trailing 1-year period	17.63%	25.61%	-7.98%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.74%	25.08%	-2.34%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	28.80%	24.77%	+4.03%

AVUVX vs. OBSOX - Expense Ratio Comparison

AVUVX has a 0.25% expense ratio, which is lower than OBSOX's 1.25% expense ratio.

Dividends

AVUVX vs. OBSOX - Dividend Comparison

AVUVX's dividend yield for the trailing twelve months is around 5.99%, while OBSOX has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AVUVX Avantis U.S. Small Cap Value Fund	5.99%	7.09%	4.11%	1.57%	8.07%	5.83%	0.73%	0.14%	0.00%	0.00%	0.00%	0.00%
OBSOX Oberweis Small-Cap Opportunities Fund	0.00%	0.00%	0.80%	0.00%	0.17%	21.88%	4.05%	3.04%	28.22%	6.36%	4.24%	11.91%

Frequently Asked Questions

Can I hold both AVUVX and OBSOX in my portfolio?

AVUVX and OBSOX have a correlation of 0.65, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, AVUVX or OBSOX?

OBSOX has higher volatility (9.11%) compared to AVUVX (4.19%). In terms of maximum drawdown, AVUVX dropped -50.24% vs OBSOX's -80.52%.

Which has better risk-adjusted returns?

OBSOX currently has the higher Sharpe Ratio (2.31 vs 2.19), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.