HAINX vs. OPPJ

Last updated Jun 4, 2026

HAINX (Harbor International Fund) and OPPJ (WisdomTree Japan Opportunities ETF) are both funds - HAINX is a Foreign Large Cap Equities fund managed by Harbor, while OPPJ is a Japan Equities fund tracking the WisdomTree Japan Opportunities Index. Over the past 10 years, HAINX returned 7.40%/yr vs 17.36%/yr for OPPJ. A 0.57 correlation means they provide meaningful diversification when combined. HAINX charges 0.77%/yr vs 0.58%/yr for OPPJ.

Performance

HAINX vs. OPPJ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Harbor International Fund (HAINX) and WisdomTree Japan Opportunities ETF (OPPJ). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, HAINX achieves a 6.07% return, which is significantly lower than OPPJ's 26.16% return. Over the past 10 years, HAINX has underperformed OPPJ with an annualized return of 7.40%, while OPPJ has yielded a comparatively higher 17.36% annualized return.

HAINX

• 1D: 0.55%
• 1M: 3.49%
• YTD: 6.07%
• 6M: 8.64%
• 1Y: 16.49%
• 3Y*: 14.66%
• 5Y*: 6.85%
• 10Y*: 7.40%

OPPJ

• 1D: -0.02%
• 1M: 2.99%
• YTD: 26.16%
• 6M: 32.96%
• 1Y: 64.97%
• 3Y*: 34.91%
• 5Y*: 25.18%
• 10Y*: 17.36%

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

HAINX vs. OPPJ - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
HAINX Harbor International Fund	6.07%	28.41%	4.21%	16.16%	-13.80%	9.50%	11.09%	22.57%	-18.29%	22.99%
OPPJ WisdomTree Japan Opportunities ETF	26.16%	37.08%	20.70%	38.96%	5.02%	11.66%	-3.22%	18.24%	-18.69%	29.56%

Correlation

The correlation between HAINX and OPPJ is 0.59, 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	0.59
Correlation (3Y) Calculated over the trailing 3-year period	0.53
Correlation (5Y) Calculated over the trailing 5-year period	0.54
Correlation (10Y) Calculated over the trailing 10-year period	0.57
Correlation (All Time) Calculated using the full available price history since Jul 1, 2013	0.57

The correlation between HAINX and OPPJ has been stable across timeframes, ranging from 0.53 to 0.59 - a consistent structural relationship.

Return for Risk

HAINX vs. OPPJ — Risk / Return Rank

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

HAINX

HAINX Risk / Return Rank: 15
HAINX Sharpe Ratio Rank: 15
HAINX Sortino Ratio Rank: 15
HAINX Omega Ratio Rank: 15
HAINX Calmar Ratio Rank: 14
HAINX Martin Ratio Rank: 16

OPPJ

OPPJ Risk / Return Rank: 91
OPPJ Sharpe Ratio Rank: 92
OPPJ Sortino Ratio Rank: 91
OPPJ Omega Ratio Rank: 87
OPPJ Calmar Ratio Rank: 93
OPPJ 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.

HAINX vs. OPPJ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Harbor International Fund (HAINX) and WisdomTree Japan Opportunities ETF (OPPJ). 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.

	HAINX	OPPJ	Difference
Sharpe ratio: Return per unit of total volatility	1.08	3.33	-2.25
Sortino ratio: Return per unit of downside risk	1.60	4.34	-2.74
Omega ratio: Gain probability vs. loss probability	1.20	1.55	-0.35
Calmar ratio: Return relative to maximum drawdown	1.31	6.65	-5.34
Martin ratio: Return relative to average drawdown	4.54	23.90	-19.36
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

HAINX vs. OPPJ - Sharpe Ratio Comparison

The current HAINX Sharpe Ratio is 1.08, which is lower than the OPPJ Sharpe Ratio of 3.33. The chart below compares the historical Sharpe Ratios of HAINX and OPPJ, 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

	HAINX	OPPJ	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.08	3.33	-2.25
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.42	1.40	-0.98
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.45	0.88	-0.44
Sharpe Ratio (All Time) Calculated using the full available price history	0.51	0.76	-0.25

Drawdowns

HAINX vs. OPPJ - Drawdown Comparison

The maximum HAINX drawdown since its inception was -60.21%, which is greater than OPPJ's maximum drawdown of -39.30%. Use the drawdown chart below to compare losses from any high point for HAINX and OPPJ.

Drawdown Indicators

	HAINX	OPPJ	Difference
Max Drawdown Largest peak-to-trough decline	-60.21%	-39.30%	-20.91%
Max Drawdown (1Y) Largest decline over 1 year	-12.10%	-9.82%	-2.28%
Max Drawdown (3Y) Largest decline over 3 years	-14.08%	-16.49%	+2.41%
Max Drawdown (5Y) Largest decline over 5 years	-31.14%	-16.49%	-14.65%
Max Drawdown (10Y) Largest decline over 10 years	-39.75%	-39.30%	-0.45%
Current Drawdown Current decline from peak	-2.63%	-4.27%	+1.64%
Average Drawdown Average peak-to-trough decline	-9.87%	-6.49%	-3.38%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.49%	2.73%	+0.76%

Volatility

HAINX vs. OPPJ - Volatility Comparison

The current volatility for Harbor International Fund (HAINX) is 4.33%, while WisdomTree Japan Opportunities ETF (OPPJ) has a volatility of 5.08%. This indicates that HAINX experiences smaller price fluctuations and is considered to be less risky than OPPJ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	HAINX	OPPJ	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.33%	5.08%	-0.75%
Volatility (6M) Calculated over the trailing 6-month period	11.98%	15.39%	-3.41%
Volatility (1Y) Calculated over the trailing 1-year period	14.78%	19.64%	-4.86%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.25%	18.05%	-1.80%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.63%	19.71%	-3.08%

HAINX vs. OPPJ - Expense Ratio Comparison

HAINX has a 0.77% expense ratio, which is higher than OPPJ's 0.58% expense ratio.

Dividends

HAINX vs. OPPJ - Dividend Comparison

HAINX's dividend yield for the trailing twelve months is around 3.36%, more than OPPJ's 1.50% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
HAINX Harbor International Fund	3.36%	3.57%	3.86%	3.55%	3.32%	2.15%	1.05%	3.12%	64.33%	6.28%	0.17%	4.80%
OPPJ WisdomTree Japan Opportunities ETF	1.50%	1.78%	4.02%	2.71%	2.63%	2.96%	3.04%	2.17%	2.06%	1.53%	1.66%	3.61%

Frequently Asked Questions

Can I hold both HAINX and OPPJ in my portfolio?

HAINX and OPPJ have a correlation of 0.59, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, HAINX or OPPJ?

OPPJ has higher volatility (5.08%) compared to HAINX (4.33%). In terms of maximum drawdown, HAINX dropped -60.21% vs OPPJ's -39.30%.

Which has better risk-adjusted returns?

OPPJ currently has the higher Sharpe Ratio (3.33 vs 1.08), 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.