OFIGX vs. OBIOX

Last updated Jun 3, 2026

OFIGX (Oberweis Focused International Growth Fund) and OBIOX (Oberweis International Opportunities Fund) are both mutual funds - OFIGX is a Foreign Large Cap Equities fund managed by Oberweis, while OBIOX is a Foreign Small & Mid Cap Equities fund managed by Oberweis. Over the past 3 years, OFIGX returned 20.19%/yr vs 16.78%/yr for OBIOX. Their correlation of 0.89 suggests significant overlap in exposure. OFIGX charges 0.95%/yr vs 1.60%/yr for OBIOX.

Performance

OFIGX vs. OBIOX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Oberweis Focused International Growth Fund (OFIGX) and Oberweis International Opportunities Fund (OBIOX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, OFIGX achieves a 10.89% return, which is significantly higher than OBIOX's 9.57% return.

OFIGX

• 1D: -0.21%
• 1M: 5.39%
• YTD: 10.89%
• 6M: 12.74%
• 1Y: 20.58%
• 3Y*: 20.19%
• 5Y*: —
• 10Y*: —

OBIOX

• 1D: -1.24%
• 1M: 2.10%
• YTD: 9.57%
• 6M: 12.51%
• 1Y: 17.97%
• 3Y*: 16.78%
• 5Y*: -0.71%
• 10Y*: 7.04%

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

OFIGX vs. OBIOX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
OFIGX Oberweis Focused International Growth Fund	10.89%	35.83%	10.26%	16.59%	-22.73%
OBIOX Oberweis International Opportunities Fund	9.57%	30.71%	7.54%	4.90%	-23.45%

Correlation

The correlation between OFIGX and OBIOX is 0.83, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.83
Correlation (3Y) Calculated over the trailing 3-year period	0.85
Correlation (All Time) Calculated using the full available price history since Apr 1, 2022	0.89

The correlation between OFIGX and OBIOX has been stable across timeframes, ranging from 0.83 to 0.89 - a consistent structural relationship.

Return for Risk

OFIGX vs. OBIOX — Risk / Return Rank

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

OFIGX

OFIGX Risk / Return Rank: 23
OFIGX Sharpe Ratio Rank: 23
OFIGX Sortino Ratio Rank: 23
OFIGX Omega Ratio Rank: 25
OFIGX Calmar Ratio Rank: 19
OFIGX Martin Ratio Rank: 24

OBIOX

OBIOX Risk / Return Rank: 16
OBIOX Sharpe Ratio Rank: 18
OBIOX Sortino Ratio Rank: 17
OBIOX Omega Ratio Rank: 17
OBIOX Calmar Ratio Rank: 14
OBIOX Martin Ratio Rank: 16

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.

OFIGX vs. OBIOX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Oberweis Focused International Growth Fund (OFIGX) and Oberweis International Opportunities Fund (OBIOX). 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.

	OFIGX	OBIOX	Difference
Sharpe ratio Return per unit of total volatility	1.38	1.23	+0.15
Sortino ratio Return per unit of downside risk	2.02	1.78	+0.24
Omega ratio Gain probability vs. loss probability	1.26	1.22	+0.04
Calmar ratio Return relative to maximum drawdown	1.61	1.32	+0.29
Martin ratio Return relative to average drawdown	6.19	4.70	+1.50
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

OFIGX vs. OBIOX - Sharpe Ratio Comparison

The current OFIGX Sharpe Ratio is 1.38, which is comparable to the OBIOX Sharpe Ratio of 1.23. The chart below compares the historical Sharpe Ratios of OFIGX and OBIOX, 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

	OFIGX	OBIOX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.38	1.23	+0.15
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	-0.04	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.36	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.57	0.38	+0.19

Drawdowns

OFIGX vs. OBIOX - Drawdown Comparison

The maximum OFIGX drawdown since its inception was -30.21%, smaller than the maximum OBIOX drawdown of -71.17%. Use the drawdown chart below to compare losses from any high point for OFIGX and OBIOX.

Drawdown Indicators

	OFIGX	OBIOX	Difference
Max Drawdown Largest peak-to-trough decline	-30.21%	-71.17%	+40.96%
Max Drawdown (1Y) Largest decline over 1 year	-13.43%	-15.64%	+2.21%
Max Drawdown (3Y) Largest decline over 3 years	-14.42%	-17.48%	+3.06%
Max Drawdown (5Y) Largest decline over 5 years	—	-51.47%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-51.47%	—
Current Drawdown Current decline from peak	-0.21%	-10.67%	+10.46%
Average Drawdown Average peak-to-trough decline	-8.77%	-21.45%	+12.68%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.48%	4.40%	-0.92%

Volatility

OFIGX vs. OBIOX - Volatility Comparison

Oberweis Focused International Growth Fund (OFIGX) has a higher volatility of 5.47% compared to Oberweis International Opportunities Fund (OBIOX) at 5.08%. This indicates that OFIGX's price experiences larger fluctuations and is considered to be riskier than OBIOX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	OFIGX	OBIOX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.47%	5.08%	+0.39%
Volatility (6M) Calculated over the trailing 6-month period	13.61%	14.14%	-0.53%
Volatility (1Y) Calculated over the trailing 1-year period	16.13%	16.70%	-0.57%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.11%	19.77%	-1.66%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.11%	19.83%	-1.72%

OFIGX vs. OBIOX - Expense Ratio Comparison

OFIGX has a 0.95% expense ratio, which is lower than OBIOX's 1.60% expense ratio.

Dividends

OFIGX vs. OBIOX - Dividend Comparison

OFIGX's dividend yield for the trailing twelve months is around 0.66%, less than OBIOX's 1.00% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
OBIOX Oberweis International Opportunities Fund	1.00%	1.10%	1.27%	0.43%	0.00%	20.69%	0.40%	1.23%	17.03%	11.47%	0.07%	0.19%
OFIGX Oberweis Focused International Growth Fund	0.66%	0.73%	0.00%	1.44%	1.26%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both OFIGX and OBIOX in my portfolio?

OFIGX and OBIOX have a correlation of 0.83, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, OFIGX or OBIOX?

OFIGX has higher volatility (5.47%) compared to OBIOX (5.08%). In terms of maximum drawdown, OFIGX dropped -30.21% vs OBIOX's -71.17%.

Which has better risk-adjusted returns?

OFIGX currently has the higher Sharpe Ratio (1.38 vs 1.23), 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.