OPPJ vs. SPYM

Last updated Apr 1, 2026

Compare and contrast key facts about WisdomTree Japan Opportunities ETF (OPPJ) and State Street SPDR Portfolio S&P 500 ETF (SPYM).

OPPJ and SPYM are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. OPPJ is a passively managed fund by WisdomTree that tracks the performance of the WisdomTree Japan Opportunities Index. It was launched on Jun 28, 2013. SPYM is a passively managed fund by State Street that tracks the performance of the S&P 500 Index. It was launched on Nov 8, 2005. Both OPPJ and SPYM are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.

Performance

OPPJ vs. SPYM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in WisdomTree Japan Opportunities ETF (OPPJ) and State Street SPDR Portfolio S&P 500 ETF (SPYM). The values are adjusted to include any dividend payments, if applicable.

OPPJ vs. SPYM - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
OPPJ WisdomTree Japan Opportunities ETF	17.27%	37.08%	20.70%	38.96%	5.02%	11.66%	-3.22%	18.24%	-18.69%	29.56%
SPYM State Street SPDR Portfolio S&P 500 ETF	-4.35%	17.79%	25.00%	26.24%	-18.09%	28.78%	18.49%	31.99%	-4.78%	21.30%

Returns By Period

In the year-to-date period, OPPJ achieves a 17.27% return, which is significantly higher than SPYM's -4.35% return. Over the past 10 years, OPPJ has outperformed SPYM with an annualized return of 16.61%, while SPYM has yielded a comparatively lower 14.13% annualized return.

OPPJ

• 1D: 2.03%
• 1M: -5.12%
• YTD: 17.27%
• 6M: 31.32%
• 1Y: 58.83%
• 3Y*: 34.47%
• 5Y*: 22.94%
• 10Y*: 16.61%

SPYM

• 1D: 2.90%
• 1M: -4.99%
• YTD: -4.35%
• 6M: -1.77%
• 1Y: 17.73%
• 3Y*: 18.27%
• 5Y*: 11.77%
• 10Y*: 14.13%

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

OPPJ vs. SPYM - Expense Ratio Comparison

OPPJ has a 0.58% expense ratio, which is higher than SPYM's 0.02% expense ratio.

OPPJ

WisdomTree Japan Opportunities ETF

SPYM

State Street SPDR Portfolio S&P 500 ETF

Return for Risk

OPPJ vs. SPYM — Risk / Return Rank

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

OPPJ

OPPJ Risk / Return Rank: 97
OPPJ Sharpe Ratio Rank: 97
OPPJ Sortino Ratio Rank: 97
OPPJ Omega Ratio Rank: 96
OPPJ Calmar Ratio Rank: 97
OPPJ Martin Ratio Rank: 97

SPYM

SPYM Risk / Return Rank: 65
SPYM Sharpe Ratio Rank: 59
SPYM Sortino Ratio Rank: 62
SPYM Omega Ratio Rank: 66
SPYM Calmar Ratio Rank: 65
SPYM Martin Ratio Rank: 75

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. SPYM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for WisdomTree Japan Opportunities ETF (OPPJ) and State Street SPDR Portfolio S&P 500 ETF (SPYM). 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	SPYM	Difference
Sharpe ratio Return per unit of total volatility	2.81	0.98	+1.83
Sortino ratio Return per unit of downside risk	3.53	1.49	+2.03
Omega ratio Gain probability vs. loss probability	1.48	1.23	+0.25
Calmar ratio Return relative to maximum drawdown	4.69	1.53	+3.16
Martin ratio Return relative to average drawdown	19.87	7.31	+12.56
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. SPYM - Sharpe Ratio Comparison

The current OPPJ Sharpe Ratio is 2.81, which is higher than the SPYM Sharpe Ratio of 0.98. The chart below compares the historical Sharpe Ratios of OPPJ and SPYM, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	OPPJ	SPYM	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.81	0.98	+1.83
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.29	0.70	+0.59
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.84	0.79	+0.05
Sharpe Ratio (All Time) Calculated using the full available price history	0.74	0.58	+0.16

Correlation

The correlation between OPPJ and SPYM is 0.54, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

OPPJ vs. SPYM - Dividend Comparison

OPPJ's dividend yield for the trailing twelve months is around 1.62%, more than SPYM's 1.16% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
OPPJ WisdomTree Japan Opportunities ETF	1.62%	1.78%	4.02%	2.71%	2.63%	2.96%	3.04%	2.17%	2.06%	1.53%	1.66%	3.61%
SPYM State Street SPDR Portfolio S&P 500 ETF	1.16%	1.13%	1.28%	1.44%	1.69%	1.25%	1.54%	1.79%	2.23%	1.75%	1.97%	1.98%

Drawdowns

OPPJ vs. SPYM - Drawdown Comparison

The maximum OPPJ drawdown since its inception was -39.30%, smaller than the maximum SPYM drawdown of -54.46%. Use the drawdown chart below to compare losses from any high point for OPPJ and SPYM.

Drawdown Indicators

	OPPJ	SPYM	Difference
Max Drawdown Largest peak-to-trough decline	-39.30%	-54.46%	+15.16%
Max Drawdown (1Y) Largest decline over 1 year	-11.47%	-12.02%	+0.55%
Max Drawdown (5Y) Largest decline over 5 years	-16.49%	-24.48%	+7.99%
Max Drawdown (10Y) Largest decline over 10 years	-39.30%	-33.87%	-5.43%
Current Drawdown Current decline from peak	-5.55%	-6.26%	+0.71%
Average Drawdown Average peak-to-trough decline	-6.54%	-7.21%	+0.67%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.89%	2.52%	+0.37%

Volatility

OPPJ vs. SPYM - Volatility Comparison

WisdomTree Japan Opportunities ETF (OPPJ) has a higher volatility of 7.98% compared to State Street SPDR Portfolio S&P 500 ETF (SPYM) at 5.28%. This indicates that OPPJ's price experiences larger fluctuations and is considered to be riskier than SPYM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	OPPJ	SPYM	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.98%	5.28%	+2.70%
Volatility (6M) Calculated over the trailing 6-month period	15.20%	9.46%	+5.74%
Volatility (1Y) Calculated over the trailing 1-year period	21.06%	18.24%	+2.82%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.83%	16.81%	+1.02%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.88%	17.99%	+1.89%