UX vs. EMET
UX (Roundhill Uranium ETF) and EMET (VanEck Copper and Green Metals ETF) are both exchange-traded funds - UX is a Uranium fund actively managed by Roundhill, while EMET is a Copper fund tracking the MVIS Global Clean-Tech Metals Index. UX is actively managed, while EMET is passively managed. Over the past year, UX returned -0.88% vs 87.54% for EMET. At a 0.42 correlation, their price movements are largely independent. UX charges 0.75%/yr vs 0.61%/yr for EMET.
Performance
UX vs. EMET - Performance Comparison
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Returns By Period
In the year-to-date period, UX achieves a -5.87% return, which is significantly lower than EMET's 11.62% return.
UX
- 1D
- -0.14%
- 1M
- -4.39%
- YTD
- -5.87%
- 6M
- -5.85%
- 1Y
- -0.88%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
EMET
- 1D
- -5.73%
- 1M
- -5.77%
- YTD
- 11.62%
- 6M
- 11.02%
- 1Y
- 87.54%
- 3Y*
- 18.09%
- 5Y*
- —
- 10Y*
- —
UX vs. EMET - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
UX Roundhill Uranium ETF | -5.87% | 18.96% |
EMET VanEck Copper and Green Metals ETF | 11.62% | 78.58% |
Correlation
The correlation between UX and EMET is 0.39, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.39 |
Correlation (All Time) Calculated using the full available price history since Jan 29, 2025 | 0.42 |
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Return for Risk
UX vs. EMET — Risk / Return Rank
UX
EMET
UX vs. EMET - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Roundhill Uranium ETF (UX) and VanEck Copper and Green Metals ETF (EMET). 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.
| UX | EMET | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.33 | ||
| Sortino ratioReturn per unit of downside risk | -2.46 | ||
| Omega ratioGain probability vs. loss probability | 1.02 | 1.36 | -0.34 |
| Calmar ratioReturn relative to maximum drawdown | -0.04 | 3.44 | -3.48 |
| Martin ratioReturn relative to average drawdown | -0.07 | 11.10 | -11.17 |
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Drawdowns
UX vs. EMET - Drawdown Comparison
The maximum UX drawdown since its inception was -24.92%, smaller than the maximum EMET drawdown of -53.05%. Use the drawdown chart below to compare losses from any high point for UX and EMET.
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Drawdown Indicators
| UX | EMET | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -24.92% | -53.05% | +28.13% |
Max Drawdown (1Y)Largest decline over 1 year | -24.92% | -25.58% | +0.66% |
Max Drawdown (3Y)Largest decline over 3 years | — | -40.50% | — |
Current DrawdownCurrent decline from peak | -23.84% | -15.40% | -8.44% |
Average DrawdownAverage peak-to-trough decline | -10.58% | -24.65% | +14.07% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 12.97% | 7.91% | +5.06% |
Volatility
UX vs. EMET - Volatility Comparison
The current volatility for Roundhill Uranium ETF (UX) is 7.95%, while VanEck Copper and Green Metals ETF (EMET) has a volatility of 15.63%. This indicates that UX experiences smaller price fluctuations and is considered to be less risky than EMET based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| UX | EMET | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.95% | 15.63% | -7.68% |
Volatility (6M)Calculated over the trailing 6-month period | 24.25% | 33.60% | -9.35% |
Volatility (1Y)Calculated over the trailing 1-year period | 34.10% | 38.24% | -4.14% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 35.99% | 33.37% | +2.62% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 35.99% | 33.37% | +2.62% |
UX vs. EMET - Expense Ratio Comparison
UX has a 0.75% expense ratio, which is higher than EMET's 0.61% expense ratio.
Dividends
UX vs. EMET - Dividend Comparison
UX's dividend yield for the trailing twelve months is around 1.57%, less than EMET's 1.65% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 |
|---|---|---|---|---|---|
EMET VanEck Copper and Green Metals ETF | 1.65% | 1.84% | 1.89% | 2.02% | 2.56% |
UX Roundhill Uranium ETF | 1.57% | 1.48% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
UX and EMET have a correlation of 0.39, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
EMET has higher volatility (15.63%) compared to UX (7.95%). In terms of maximum drawdown, UX dropped -24.92% vs EMET's -53.05%.
On 1-year performance, EMET leads with 87.54% vs -0.88% for UX. On fees, EMET is cheaper at 0.61% per year. On volatility, UX has been the lower-risk option at 7.95%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, EMET has performed better with a 87.54% return vs -0.88%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
EMET is cheaper with a 0.61% expense ratio, compared with 0.75% for UX.
EMET has the higher dividend yield at 1.65%, compared with 1.57% for UX.
UX is categorized as Uranium, while EMET is Copper. They also come from different issuers: Roundhill and VanEck. Their fees differ too: 0.75% for UX and 0.61% for EMET.
EMET currently has the higher Sharpe Ratio (2.30 vs -0.03), 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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