MJSC vs. OPPJ

Last updated Jun 27, 2026

MJSC (MUFG Japan Small Cap Active ETF) and OPPJ (WisdomTree Japan Opportunities ETF) are both Japan Equities funds. MJSC is actively managed, while OPPJ is passively managed. A 0.77 correlation means they provide meaningful diversification when combined. MJSC charges 0.85%/yr vs 0.58%/yr for OPPJ.

Performance

MJSC vs. OPPJ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MUFG Japan Small Cap Active ETF (MJSC) 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, MJSC achieves a 22.76% return, which is significantly lower than OPPJ's 24.85% return.

MJSC

• 1D: -0.49%
• 1M: -1.12%
• YTD: 22.76%
• 6M: 22.27%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

OPPJ

• 1D: -0.84%
• 1M: -1.55%
• YTD: 24.85%
• 6M: 25.83%
• 1Y: 59.80%
• 3Y*: 33.34%
• 5Y*: 24.88%
• 10Y*: 17.96%

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

MJSC vs. OPPJ - Yearly Performance Comparison

	2026 (YTD)	2025
MJSC MUFG Japan Small Cap Active ETF	22.76%	-0.05%
OPPJ WisdomTree Japan Opportunities ETF	24.85%	11.90%

Correlation

The correlation between MJSC and OPPJ is 0.77, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (All Time) Calculated using the full available price history since Sep 17, 2025	0.77

Return for Risk

MJSC vs. OPPJ — Risk / Return Rank

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

MJSC

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

OPPJ

OPPJ Risk / Return Rank: 92
OPPJ Sharpe Ratio Rank: 93
OPPJ Sortino Ratio Rank: 91
OPPJ Omega Ratio Rank: 88
OPPJ Calmar Ratio Rank: 94
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.

MJSC vs. OPPJ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MUFG Japan Small Cap Active ETF (MJSC) 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.

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.

	MJSC	OPPJ	Difference
Sharpe ratio: Return per unit of total volatility	—	2.90	—
Sortino ratio: Return per unit of downside risk	—	3.75	—
Omega ratio: Gain probability vs. loss probability	—	1.48	—
Calmar ratio: Return relative to maximum drawdown	—	6.12	—
Martin ratio: Return relative to average drawdown	—	20.22	—

Drawdowns

MJSC vs. OPPJ - Drawdown Comparison

The maximum MJSC drawdown since its inception was -12.63%, smaller than the maximum OPPJ drawdown of -39.30%. Use the drawdown chart below to compare losses from any high point for MJSC and OPPJ.

Drawdown Indicators

	MJSC	OPPJ	Difference
Max Drawdown Largest peak-to-trough decline	-12.63%	-39.30%	+26.67%
Max Drawdown (1Y) Largest decline over 1 year	—	-9.82%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-16.49%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-16.49%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-39.30%	—
Current Drawdown Current decline from peak	-2.91%	-5.26%	+2.35%
Average Drawdown Average peak-to-trough decline	-2.94%	-6.48%	+3.54%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	2.97%	—

Volatility

Volatility by Period

	MJSC	OPPJ	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	7.46%	—
Volatility (6M) Calculated over the trailing 6-month period	—	16.52%	—
Volatility (1Y) Calculated over the trailing 1-year period	20.71%	20.74%	-0.03%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	20.71%	18.26%	+2.45%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.71%	19.59%	+1.12%

MJSC vs. OPPJ - Expense Ratio Comparison

MJSC has a 0.85% expense ratio, which is higher than OPPJ's 0.58% expense ratio.

Dividends

MJSC vs. OPPJ - Dividend Comparison

MJSC's dividend yield for the trailing twelve months is around 0.53%, less than OPPJ's 1.12% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MJSC MUFG Japan Small Cap Active ETF	0.53%	0.66%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
OPPJ WisdomTree Japan Opportunities ETF	1.12%	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 MJSC and OPPJ in my portfolio?

MJSC and OPPJ have a correlation of 0.77, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, MJSC or OPPJ?

On fees, OPPJ is cheaper at 0.58% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, MJSC or OPPJ?

OPPJ is cheaper with a 0.58% expense ratio, compared with 0.85% for MJSC.

Which ETF pays a higher dividend yield, MJSC or OPPJ?

OPPJ has the higher dividend yield at 1.12%, compared with 0.53% for MJSC.

What is the main difference between MJSC and OPPJ?

They also come from different issuers: MUFG and WisdomTree. Their fees differ too: 0.85% for MJSC and 0.58% for OPPJ.