MUNDX vs. OBEGX

Last updated Jun 18, 2026

MUNDX (Mundoval Fund) and OBEGX (Oberweis Global Opportunities Fund) are both Global Equities funds. Over the past 10 years, MUNDX returned 11.96%/yr vs 12.38%/yr for OBEGX. A 0.73 correlation means they provide meaningful diversification when combined. MUNDX charges 1.49%/yr vs 1.51%/yr for OBEGX.

Performance

MUNDX vs. OBEGX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Mundoval Fund (MUNDX) and Oberweis Global Opportunities Fund (OBEGX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MUNDX achieves a 4.48% return, which is significantly lower than OBEGX's 28.40% return. Both investments have delivered pretty close results over the past 10 years, with MUNDX having a 11.96% annualized return and OBEGX not far ahead at 12.38%.

MUNDX

• 1D: 0.24%
• 1M: 0.37%
• YTD: 4.48%
• 6M: 6.74%
• 1Y: 26.00%
• 3Y*: 11.61%
• 5Y*: 7.21%
• 10Y*: 11.96%

OBEGX

• 1D: -1.97%
• 1M: 5.76%
• YTD: 28.40%
• 6M: 30.80%
• 1Y: 48.02%
• 3Y*: 18.44%
• 5Y*: 6.32%
• 10Y*: 12.38%

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

MUNDX vs. OBEGX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MUNDX Mundoval Fund	4.48%	18.06%	11.13%	15.75%	-18.38%	22.91%	14.85%	37.23%	-8.29%	18.86%
OBEGX Oberweis Global Opportunities Fund	28.40%	19.32%	10.72%	6.40%	-26.76%	20.80%	55.68%	25.67%	-25.62%	33.35%

Correlation

The correlation between MUNDX and OBEGX is 0.53, 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	0.53
Correlation (3Y) Calculated over the trailing 3-year period	0.58
Correlation (5Y) Calculated over the trailing 5-year period	0.69
Correlation (10Y) Calculated over the trailing 10-year period	0.70
Correlation (All Time) Calculated using the full available price history since Sep 8, 2004	0.73

The correlation between MUNDX and OBEGX shifts across timeframes, from 0.53 (1 year) to 0.73 (all time), reflecting how their relationship changes across market environments.

Return for Risk

MUNDX vs. OBEGX — Risk / Return Rank

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

MUNDX

MUNDX Risk / Return Rank: 47
MUNDX Sharpe Ratio Rank: 55
MUNDX Sortino Ratio Rank: 58
MUNDX Omega Ratio Rank: 48
MUNDX Calmar Ratio Rank: 33
MUNDX Martin Ratio Rank: 39

OBEGX

OBEGX Risk / Return Rank: 71
OBEGX Sharpe Ratio Rank: 67
OBEGX Sortino Ratio Rank: 59
OBEGX Omega Ratio Rank: 55
OBEGX Calmar Ratio Rank: 89
OBEGX Martin Ratio Rank: 85

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.

MUNDX vs. OBEGX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Mundoval Fund (MUNDX) and Oberweis Global Opportunities Fund (OBEGX). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	MUNDX	OBEGX	Difference
Sharpe ratio: Return per unit of total volatility	1.99	2.20	-0.21
Sortino ratio: Return per unit of downside risk	2.88	2.94	-0.06
Omega ratio: Gain probability vs. loss probability	1.34	1.37	-0.03
Calmar ratio: Return relative to maximum drawdown	2.08	4.15	-2.07
Martin ratio: Return relative to average drawdown	8.04	14.86	-6.82

MUNDX vs. OBEGX - Sharpe Ratio Comparison

The current MUNDX Sharpe Ratio is 1.99, which is comparable to the OBEGX Sharpe Ratio of 2.20. The chart below compares the historical Sharpe Ratios of MUNDX and OBEGX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

MUNDX vs. OBEGX - Drawdown Comparison

The maximum MUNDX drawdown since its inception was -93.89%, which is greater than OBEGX's maximum drawdown of -83.07%. Use the drawdown chart below to compare losses from any high point for MUNDX and OBEGX.

Drawdown Indicators

	MUNDX	OBEGX	Difference
Max Drawdown Largest peak-to-trough decline	-93.89%	-83.07%	-10.82%
Max Drawdown (1Y) Largest decline over 1 year	-12.19%	-11.24%	-0.95%
Max Drawdown (3Y) Largest decline over 3 years	-93.89%	-25.41%	-68.48%
Max Drawdown (5Y) Largest decline over 5 years	-93.89%	-39.68%	-54.21%
Max Drawdown (10Y) Largest decline over 10 years	-93.89%	-41.54%	-52.35%
Current Drawdown Current decline from peak	-91.26%	-1.97%	-89.29%
Average Drawdown Average peak-to-trough decline	-14.49%	-33.68%	+19.19%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.15%	3.13%	+0.02%

Volatility

MUNDX vs. OBEGX - Volatility Comparison

The current volatility for Mundoval Fund (MUNDX) is 4.08%, while Oberweis Global Opportunities Fund (OBEGX) has a volatility of 7.59%. This indicates that MUNDX experiences smaller price fluctuations and is considered to be less risky than OBEGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MUNDX	OBEGX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.08%	7.59%	-3.51%
Volatility (6M) Calculated over the trailing 6-month period	10.06%	17.00%	-6.94%
Volatility (1Y) Calculated over the trailing 1-year period	12.73%	21.27%	-8.54%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	488.98%	23.34%	+465.64%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	345.94%	22.70%	+323.24%

MUNDX vs. OBEGX - Expense Ratio Comparison

MUNDX has a 1.49% expense ratio, which is lower than OBEGX's 1.51% expense ratio.

Dividends

MUNDX vs. OBEGX - Dividend Comparison

MUNDX's dividend yield for the trailing twelve months is around 8.26%, less than OBEGX's 9.86% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MUNDX Mundoval Fund	8.26%	8.63%	7.29%	3.10%	2.88%	4.56%	4.85%	0.52%	0.24%	0.19%	0.50%	3.23%
OBEGX Oberweis Global Opportunities Fund	9.86%	12.66%	0.00%	0.00%	2.64%	25.09%	5.80%	0.00%	6.68%	13.37%	1.12%	14.32%

Frequently Asked Questions

Can I hold both MUNDX and OBEGX in my portfolio?

MUNDX and OBEGX have a correlation of 0.53, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MUNDX or OBEGX?

OBEGX has higher volatility (7.59%) compared to MUNDX (4.08%). In terms of maximum drawdown, MUNDX dropped -93.89% vs OBEGX's -83.07%.

Which has better risk-adjusted returns?

OBEGX currently has the higher Sharpe Ratio (2.20 vs 1.99), 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.