OPPJ vs. HAINX

Last updated Jun 4, 2026

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

Performance

OPPJ vs. HAINX - Performance Comparison

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

Returns By Period

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

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%

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%

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

OPPJ vs. HAINX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
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%
HAINX Harbor International Fund	6.07%	28.41%	4.21%	16.16%	-13.80%	9.50%	11.09%	22.57%	-18.29%	22.99%

Correlation

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

Return for Risk

OPPJ vs. HAINX — Risk / Return Rank

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

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

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

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.

OPPJ vs. HAINX - Risk-Adjusted Trends Comparison

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

	OPPJ	HAINX	Difference
Sharpe ratio: Return per unit of total volatility	3.33	1.08	+2.25
Sortino ratio: Return per unit of downside risk	4.34	1.60	+2.74
Omega ratio: Gain probability vs. loss probability	1.55	1.20	+0.35
Calmar ratio: Return relative to maximum drawdown	6.65	1.31	+5.34
Martin ratio: Return relative to average drawdown	23.90	4.54	+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.

OPPJ vs. HAINX - Sharpe Ratio Comparison

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

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

Drawdowns

OPPJ vs. HAINX - Drawdown Comparison

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

Drawdown Indicators

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

Volatility

OPPJ vs. HAINX - Volatility Comparison

WisdomTree Japan Opportunities ETF (OPPJ) has a higher volatility of 5.08% compared to Harbor International Fund (HAINX) at 4.33%. This indicates that OPPJ's price experiences larger fluctuations and is considered to be riskier than HAINX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

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

OPPJ vs. HAINX - Expense Ratio Comparison

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

Dividends

OPPJ vs. HAINX - Dividend Comparison

OPPJ's dividend yield for the trailing twelve months is around 1.50%, less than HAINX's 3.36% 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 OPPJ and HAINX in my portfolio?

OPPJ and HAINX 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, OPPJ or HAINX?

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

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.