UFO vs. XME

Last updated Jun 14, 2026

UFO (Procure Space ETF) and XME (SPDR S&P Metals & Mining ETF) are both exchange-traded funds - UFO is a Global Equities fund tracking the S-Network Space Index, while XME is a Materials fund tracking the S&P Metals & Mining Select Industry Index. Both are passively managed. Over the past 5 years, UFO returned 13.50%/yr vs 21.78%/yr for XME. A 0.59 correlation means they provide meaningful diversification when combined. UFO charges 0.75%/yr vs 0.35%/yr for XME.

Performance

UFO vs. XME - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Procure Space ETF (UFO) and SPDR S&P Metals & Mining ETF (XME). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, UFO achieves a 36.92% return, which is significantly higher than XME's 16.32% return.

UFO

• 1D: -6.99%
• 1M: -8.71%
• YTD: 36.92%
• 6M: 37.68%
• 1Y: 105.58%
• 3Y*: 41.51%
• 5Y*: 13.50%
• 10Y*: —

XME

• 1D: 1.77%
• 1M: -0.44%
• YTD: 16.32%
• 6M: 18.13%
• 1Y: 85.07%
• 3Y*: 35.23%
• 5Y*: 21.78%
• 10Y*: 19.60%

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

UFO vs. XME - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019
UFO Procure Space ETF	36.92%	67.36%	27.22%	-2.34%	-25.85%	7.17%	-2.15%	5.66%
XME SPDR S&P Metals & Mining ETF	16.32%	83.47%	-4.54%	21.51%	13.13%	34.92%	15.95%	-1.31%

Correlation

The correlation between UFO and XME is 0.60, 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	0.60
Correlation (3Y) Calculated over the trailing 3-year period	0.58
Correlation (5Y) Calculated over the trailing 5-year period	0.58
Correlation (All Time) Calculated using the full available price history since Apr 11, 2019	0.59

The correlation between UFO and XME has been stable across timeframes, ranging from 0.58 to 0.60 - a consistent structural relationship.

UFO vs. XME - Sectors Allocation Comparison

Sectors	UFO	XME
Industrials	45.8%	0.4%
Technology	27.8%	2.2%
Communication Services	24.5%	-
Financial Services	0.0%	-
Basic Materials	-	74.9%
Consumer Cyclical	-	-
Consumer Defensive	-	0.8%
Energy	-	23.8%
Healthcare	-	-
Real Estate	-	-
Utilities	-	-

Return for Risk

UFO vs. XME — Risk / Return Rank

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

UFO

UFO Risk / Return Rank: 83
UFO Sharpe Ratio Rank: 89
UFO Sortino Ratio Rank: 80
UFO Omega Ratio Rank: 73
UFO Calmar Ratio Rank: 89
UFO Martin Ratio Rank: 82

XME

XME Risk / Return Rank: 75
XME Sharpe Ratio Rank: 86
XME Sortino Ratio Rank: 74
XME Omega Ratio Rank: 73
XME Calmar Ratio Rank: 82
XME Martin Ratio Rank: 61

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.

UFO vs. XME - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Procure Space ETF (UFO) and SPDR S&P Metals & Mining ETF (XME). 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.

	UFO	XME	Difference
Sharpe ratio: Return per unit of total volatility	2.58	2.41	+0.17
Sortino ratio: Return per unit of downside risk	3.06	2.86	+0.20
Omega ratio: Gain probability vs. loss probability	1.37	1.37	0.00
Calmar ratio: Return relative to maximum drawdown	4.58	3.84	+0.73
Martin ratio: Return relative to average drawdown	14.05	9.58	+4.47

UFO vs. XME - Sharpe Ratio Comparison

The current UFO Sharpe Ratio is 2.58, which is comparable to the XME Sharpe Ratio of 2.41. The chart below compares the historical Sharpe Ratios of UFO and XME, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

UFO vs. XME - Drawdown Comparison

The maximum UFO drawdown since its inception was -50.33%, smaller than the maximum XME drawdown of -85.89%. Use the drawdown chart below to compare losses from any high point for UFO and XME.

Drawdown Indicators

	UFO	XME	Difference
Max Drawdown Largest peak-to-trough decline	-50.33%	-85.89%	+35.56%
Max Drawdown (1Y) Largest decline over 1 year	-22.94%	-22.60%	-0.34%
Max Drawdown (3Y) Largest decline over 3 years	-25.91%	-30.47%	+4.56%
Max Drawdown (5Y) Largest decline over 5 years	-50.33%	-37.27%	-13.06%
Max Drawdown (10Y) Largest decline over 10 years	—	-61.69%	—
Current Drawdown Current decline from peak	-21.95%	-9.33%	-12.62%
Average Drawdown Average peak-to-trough decline	-21.80%	-44.09%	+22.29%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.46%	9.05%	-1.59%

Volatility

UFO vs. XME - Volatility Comparison

Procure Space ETF (UFO) has a higher volatility of 20.43% compared to SPDR S&P Metals & Mining ETF (XME) at 15.26%. This indicates that UFO's price experiences larger fluctuations and is considered to be riskier than XME based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	UFO	XME	Difference
Volatility (1M) Calculated over the trailing 1-month period	20.43%	15.26%	+5.17%
Volatility (6M) Calculated over the trailing 6-month period	34.11%	28.51%	+5.60%
Volatility (1Y) Calculated over the trailing 1-year period	40.69%	36.11%	+4.58%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	30.59%	32.84%	-2.25%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	31.16%	32.96%	-1.80%

UFO vs. XME - Expense Ratio Comparison

UFO has a 0.75% expense ratio, which is higher than XME's 0.35% expense ratio.

Dividends

UFO vs. XME - Dividend Comparison

UFO's dividend yield for the trailing twelve months is around 0.31%, less than XME's 0.32% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
UFO Procure Space ETF	0.31%	0.46%	1.98%	1.90%	3.19%	1.00%	1.07%	0.45%	0.00%	0.00%	0.00%	0.00%
XME SPDR S&P Metals & Mining ETF	0.32%	0.38%	0.65%	1.00%	1.64%	0.70%	0.99%	2.43%	2.23%	1.15%	1.02%	2.61%

Frequently Asked Questions

Can I hold both UFO and XME in my portfolio?

UFO and XME have a correlation of 0.60, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, UFO or XME?

UFO has higher volatility (20.43%) compared to XME (15.26%). In terms of maximum drawdown, UFO dropped -50.33% vs XME's -85.89%.

Which ETF is better, UFO or XME?

On 5-year performance, XME leads with 21.78% vs 13.50% for UFO. On fees, XME is cheaper at 0.35% per year. On volatility, XME has been the lower-risk option at 15.26%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, UFO or XME?

Over the 5-year period, XME has performed better with a 21.78% return vs 13.50%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, UFO or XME?

XME is cheaper with a 0.35% expense ratio, compared with 0.75% for UFO.

Which ETF pays a higher dividend yield, UFO or XME?

XME has the higher dividend yield at 0.32%, compared with 0.31% for UFO.

What is the main difference between UFO and XME?

UFO is categorized as Global Equities, while XME is Materials. UFO tracks S-Network Space Index, while XME tracks S&P Metals & Mining Select Industry Index. They also come from different issuers: ProcureAM and State Street. Their fees differ too: 0.75% for UFO and 0.35% for XME.

Which has better risk-adjusted returns?

UFO currently has the higher Sharpe Ratio (2.58 vs 2.41), 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.