OPPJ vs. VGK
OPPJ (WisdomTree Japan Opportunities ETF) and VGK (Vanguard FTSE Europe ETF) are both exchange-traded funds - OPPJ is a Japan Equities fund tracking the WisdomTree Japan Opportunities Index, while VGK is a Europe Equities fund tracking the FTSE Developed Europe All Cap Index. Both are passively managed. Over the past 10 years, OPPJ returned 18.38%/yr vs 10.38%/yr for VGK. A 0.53 correlation means they provide meaningful diversification when combined. OPPJ charges 0.58%/yr vs 0.06%/yr for VGK.
Performance
OPPJ vs. VGK - Performance Comparison
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Returns By Period
In the year-to-date period, OPPJ achieves a 26.34% return, which is significantly higher than VGK's 6.16% return. Over the past 10 years, OPPJ has outperformed VGK with an annualized return of 18.38%, while VGK has yielded a comparatively lower 10.38% annualized return.
OPPJ
- 1D
- -4.11%
- 1M
- 0.60%
- YTD
- 26.34%
- 6M
- 27.22%
- 1Y
- 63.54%
- 3Y*
- 34.64%
- 5Y*
- 25.28%
- 10Y*
- 18.38%
VGK
- 1D
- -1.24%
- 1M
- -0.13%
- YTD
- 6.16%
- 6M
- 6.16%
- 1Y
- 19.10%
- 3Y*
- 16.76%
- 5Y*
- 8.57%
- 10Y*
- 10.38%
OPPJ vs. VGK - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
OPPJ WisdomTree Japan Opportunities ETF | 26.34% | 37.08% | 20.70% | 38.96% | 5.02% | 11.66% | -3.22% | 18.24% | -18.69% | 29.56% |
VGK Vanguard FTSE Europe ETF | 6.16% | 35.83% | 1.88% | 20.19% | -15.98% | 16.89% | 5.43% | 24.85% | -14.89% | 26.98% |
Correlation
The correlation between OPPJ and VGK is 0.51, 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 | 0.51 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.44 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.47 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.51 |
Correlation (All Time) Calculated using the full available price history since Jun 28, 2013 | 0.53 |
The correlation between OPPJ and VGK has been stable across timeframes, ranging from 0.44 to 0.53 - a consistent structural relationship.
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Return for Risk
OPPJ vs. VGK — Risk / Return Rank
OPPJ
VGK
OPPJ vs. VGK - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for WisdomTree Japan Opportunities ETF (OPPJ) and Vanguard FTSE Europe ETF (VGK). 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.
| OPPJ | VGK | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.88 | ||
| Sortino ratioReturn per unit of downside risk | +2.16 | ||
| Omega ratioGain probability vs. loss probability | 1.51 | 1.22 | +0.29 |
| Calmar ratioReturn relative to maximum drawdown | 6.50 | 1.59 | +4.91 |
| Martin ratioReturn relative to average drawdown | 21.87 | 5.89 | +15.98 |
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Drawdowns
OPPJ vs. VGK - Drawdown Comparison
The maximum OPPJ drawdown since its inception was -39.30%, smaller than the maximum VGK drawdown of -63.61%. Use the drawdown chart below to compare losses from any high point for OPPJ and VGK.
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Drawdown Indicators
| OPPJ | VGK | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -39.30% | -63.61% | +24.31% |
Max Drawdown (1Y)Largest decline over 1 year | -9.82% | -12.09% | +2.27% |
Max Drawdown (3Y)Largest decline over 3 years | -16.49% | -14.31% | -2.18% |
Max Drawdown (5Y)Largest decline over 5 years | -16.49% | -32.74% | +16.25% |
Max Drawdown (10Y)Largest decline over 10 years | -39.30% | -37.24% | -2.06% |
Current DrawdownCurrent decline from peak | -4.13% | -1.91% | -2.22% |
Average DrawdownAverage peak-to-trough decline | -6.48% | -13.31% | +6.83% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.92% | 3.25% | -0.33% |
Volatility
OPPJ vs. VGK - Volatility Comparison
WisdomTree Japan Opportunities ETF (OPPJ) has a higher volatility of 7.39% compared to Vanguard FTSE Europe ETF (VGK) at 4.96%. This indicates that OPPJ's price experiences larger fluctuations and is considered to be riskier than VGK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| OPPJ | VGK | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.39% | 4.96% | +2.43% |
Volatility (6M)Calculated over the trailing 6-month period | 16.54% | 13.38% | +3.16% |
Volatility (1Y)Calculated over the trailing 1-year period | 20.67% | 15.81% | +4.86% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.25% | 17.96% | +0.29% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.59% | 18.56% | +1.03% |
OPPJ vs. VGK - Expense Ratio Comparison
OPPJ has a 0.58% expense ratio, which is higher than VGK's 0.06% expense ratio.
Dividends
OPPJ vs. VGK - Dividend Comparison
OPPJ's dividend yield for the trailing twelve months is around 1.50%, less than VGK's 2.95% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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% |
VGK Vanguard FTSE Europe ETF | 2.95% | 2.86% | 3.61% | 3.15% | 3.25% | 3.05% | 2.11% | 3.27% | 3.95% | 2.70% | 3.52% | 3.25% |
Frequently Asked Questions
OPPJ and VGK have a correlation of 0.51, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
OPPJ has higher volatility (7.39%) compared to VGK (4.96%). In terms of maximum drawdown, OPPJ dropped -39.30% vs VGK's -63.61%.
On 10-year performance, OPPJ leads with 18.38% vs 10.38% for VGK. On fees, VGK is cheaper at 0.06% per year. On volatility, VGK has been the lower-risk option at 4.96%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, OPPJ has performed better with a 18.38% return vs 10.38%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
VGK is cheaper with a 0.06% expense ratio, compared with 0.58% for OPPJ.
VGK has the higher dividend yield at 2.95%, compared with 1.50% for OPPJ.
OPPJ is categorized as Japan Equities, while VGK is Europe Equities. OPPJ tracks WisdomTree Japan Opportunities Index, while VGK tracks FTSE Developed Europe All Cap Index. They also come from different issuers: WisdomTree and Vanguard. Their fees differ too: 0.58% for OPPJ and 0.06% for VGK.
OPPJ currently has the higher Sharpe Ratio (3.09 vs 1.21), 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.
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