IDMO vs. OUNZ
IDMO (Invesco S&P International Developed Momentum ETF) and OUNZ (VanEck Merk Gold ETF) are both exchange-traded funds - IDMO is a Momentum fund tracking the S&P Momentum Developed ex U.S. & South Korea LargeMidCap Index, while OUNZ is a Gold fund tracking the LBMA Gold Price PM ($/ozt). Both are passively managed. Over the past 10 years, IDMO returned 12.43%/yr vs 11.37%/yr for OUNZ. At a 0.18 correlation, their price movements are largely independent. Both charge a 0.25% expense ratio.
Performance
IDMO vs. OUNZ - Performance Comparison
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Returns By Period
In the year-to-date period, IDMO achieves a 9.44% return, which is significantly higher than OUNZ's -7.16% return. Over the past 10 years, IDMO has outperformed OUNZ with an annualized return of 12.43%, while OUNZ has yielded a comparatively lower 11.37% annualized return.
IDMO
- 1D
- 2.55%
- 1M
- -1.60%
- 6M
- 7.26%
- YTD
- 9.44%
- 1Y
- 21.93%
- 3Y*
- 24.77%
- 5Y*
- 15.15%
- 10Y*
- 12.43%
- ALL TIME*
- 8.98%
OUNZ
- 1D
- -0.23%
- 1M
- -5.03%
- 6M
- -12.66%
- YTD
- -7.16%
- 1Y
- 19.37%
- 3Y*
- 26.53%
- 5Y*
- 17.02%
- 10Y*
- 11.37%
- ALL TIME*
- 9.39%
IDMO vs. OUNZ - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IDMO Invesco S&P International Developed Momentum ETF | 9.44% | 42.17% | 12.79% | 20.16% | -12.03% | 14.31% | 22.01% | 26.09% | -16.66% | 29.21% |
OUNZ VanEck Merk Gold ETF | -7.16% | 63.95% | 26.75% | 12.83% | -0.51% | -4.00% | 24.71% | 18.00% | -2.06% | 12.82% |
Correlation
The correlation between IDMO and OUNZ is 0.46, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.46 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.32 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.29 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.22 |
Correlation (All Time) Calculated using the full available price history since May 16, 2014 | 0.18 |
Over the past year, IDMO and OUNZ have become more correlated (0.46) than their long-term average of 0.18, meaning their price movements have been converging.
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Return for Risk
IDMO vs. OUNZ — Risk / Return Rank
IDMO
OUNZ
IDMO vs. OUNZ - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Invesco S&P International Developed Momentum ETF (IDMO) and VanEck Merk Gold ETF (OUNZ). 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.
| IDMO | OUNZ | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.48 | ||
| Sortino ratioReturn per unit of downside risk | +0.72 | ||
| Omega ratioGain probability vs. loss probability | 1.22 | 1.15 | +0.07 |
| Calmar ratioReturn relative to maximum drawdown | 1.79 | 0.74 | +1.05 |
| Martin ratioReturn relative to average drawdown | 6.94 | 1.73 | +5.21 |
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Drawdowns
IDMO vs. OUNZ - Drawdown Comparison
The maximum IDMO drawdown since its inception was -39.38%, which is greater than OUNZ's maximum drawdown of -26.31%. Use the drawdown chart below to compare losses from any high point for IDMO and OUNZ.
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Drawdown Indicators
| IDMO | OUNZ | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -39.38% | -26.31% | -13.07% |
Max Drawdown (1Y)Largest decline over 1 year | -12.31% | -26.31% | +14.00% |
Max Drawdown (3Y)Largest decline over 3 years | -12.65% | -26.31% | +13.66% |
Max Drawdown (5Y)Largest decline over 5 years | -27.07% | -26.31% | -0.76% |
Max Drawdown (10Y)Largest decline over 10 years | -31.34% | -26.31% | -5.03% |
Current DrawdownCurrent decline from peak | -2.90% | -25.79% | +22.89% |
Average DrawdownAverage peak-to-trough decline | -9.69% | -7.73% | -1.96% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.17% | 11.23% | -8.06% |
Volatility
IDMO vs. OUNZ - Volatility Comparison
Invesco S&P International Developed Momentum ETF (IDMO) and VanEck Merk Gold ETF (OUNZ) have volatilities of 6.44% and 6.41%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IDMO | OUNZ | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.44% | 6.41% | +0.03% |
Volatility (6M)Calculated over the trailing 6-month period | 17.08% | 23.99% | -6.91% |
Volatility (1Y)Calculated over the trailing 1-year period | 18.71% | 27.86% | -9.15% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.15% | 18.33% | -0.18% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 17.91% | 16.12% | +1.79% |
IDMO vs. OUNZ - Expense Ratio Comparison
Both IDMO and OUNZ have an expense ratio of 0.25%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.
Dividends
IDMO vs. OUNZ - Dividend Comparison
IDMO's dividend yield for the trailing twelve months is around 3.65%, while OUNZ has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IDMO Invesco S&P International Developed Momentum ETF | 3.65% | 3.71% | 2.24% | 2.89% | 3.66% | 1.81% | 1.63% | 2.78% | 3.27% | 3.08% | 2.18% | 2.52% |
OUNZ VanEck Merk Gold ETF | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
IDMO and OUNZ have a correlation of 0.46, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IDMO has higher volatility (6.44%) compared to OUNZ (6.41%). In terms of maximum drawdown, IDMO dropped -39.38% vs OUNZ's -26.31%.
On 10-year performance, IDMO leads with 12.43% vs 11.37% for OUNZ. Both ETFs have the same 0.25% expense ratio. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, IDMO has performed better with a 12.43% return vs 11.37%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IDMO and OUNZ have the same expense ratio: 0.25% per year.
IDMO has the higher dividend yield at 3.65%, compared with 0.00% for OUNZ.
IDMO is categorized as Momentum, while OUNZ is Gold. IDMO tracks S&P Momentum Developed ex U.S. & South Korea LargeMidCap Index, while OUNZ tracks LBMA Gold Price PM ($/ozt). They also come from different issuers: Invesco and VanEck.
IDMO currently has the higher Sharpe Ratio (1.18 vs 0.70), 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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