BLDX vs. UFO

Last updated Jul 8, 2026

BLDX (Impax Global Sustainable Infrastructure ETF) and UFO (Procure Space ETF) are both Global Equities funds. BLDX is actively managed, while UFO is passively managed. At a 0.36 correlation, their price movements are largely independent. BLDX charges 0.60%/yr vs 0.75%/yr for UFO.

Performance

BLDX vs. UFO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Impax Global Sustainable Infrastructure ETF (BLDX) and Procure Space ETF (UFO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

BLDX

• 1D: -0.16%
• 1M: 0.88%
• 6M: —
• YTD: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

UFO

• 1D: -3.62%
• 1M: -11.26%
• 6M: 13.25%
• YTD: 25.62%
• 1Y: 64.29%
• 3Y*: 38.17%
• 5Y*: 11.56%
• 10Y*: —

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

BLDX vs. UFO - Yearly Performance Comparison

	2026 (YTD)
BLDX Impax Global Sustainable Infrastructure ETF	4.78%
UFO Procure Space ETF	6.85%

Correlation

The correlation between BLDX and UFO is 0.36, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (All Time) Calculated using the full available price history since Feb 2, 2026	0.36

Return for Risk

BLDX vs. UFO — Risk / Return Rank

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

BLDX

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

UFO

UFO Risk / Return Rank: 49
UFO Sharpe Ratio Rank: 54
UFO Sortino Ratio Rank: 53
UFO Omega Ratio Rank: 46
UFO Calmar Ratio Rank: 46
UFO Martin Ratio Rank: 45

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.

BLDX vs. UFO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Impax Global Sustainable Infrastructure ETF (BLDX) and Procure Space ETF (UFO). 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.

	BLDX	UFO	Difference
Sharpe ratio: Return per unit of total volatility	—	1.56	—
Sortino ratio: Return per unit of downside risk	—	2.17	—
Omega ratio: Gain probability vs. loss probability	—	1.25	—
Calmar ratio: Return relative to maximum drawdown	—	1.97	—
Martin ratio: Return relative to average drawdown	—	6.44	—

Drawdowns

BLDX vs. UFO - Drawdown Comparison

The maximum BLDX drawdown since its inception was -8.26%, smaller than the maximum UFO drawdown of -50.33%. Use the drawdown chart below to compare losses from any high point for BLDX and UFO.

Drawdown Indicators

	BLDX	UFO	Difference
Max Drawdown Largest peak-to-trough decline	-8.26%	-50.33%	+42.07%
Max Drawdown (1Y) Largest decline over 1 year	—	-32.81%	—
Max Drawdown (3Y) Largest decline over 3 years	—	-32.81%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-49.95%	—
Current Drawdown Current decline from peak	-4.80%	-28.40%	+23.60%
Average Drawdown Average peak-to-trough decline	-3.45%	-21.84%	+18.39%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	10.01%	—

Volatility

Volatility by Period

	BLDX	UFO	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	17.45%	—
Volatility (6M) Calculated over the trailing 6-month period	—	33.61%	—
Volatility (1Y) Calculated over the trailing 1-year period	17.76%	41.53%	-23.77%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.76%	30.85%	-13.09%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.76%	31.27%	-13.51%

BLDX vs. UFO - Expense Ratio Comparison

BLDX has a 0.60% expense ratio, which is lower than UFO's 0.75% expense ratio.

Dividends

BLDX vs. UFO - Dividend Comparison

BLDX's dividend yield for the trailing twelve months is around 0.98%, more than UFO's 0.31% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019
BLDX Impax Global Sustainable Infrastructure ETF	0.98%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
UFO Procure Space ETF	0.31%	0.46%	1.98%	1.90%	3.19%	1.00%	1.07%	0.45%

Frequently Asked Questions

Can I hold both BLDX and UFO in my portfolio?

BLDX and UFO have a correlation of 0.36, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, BLDX or UFO?

On fees, BLDX is cheaper at 0.60% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, BLDX or UFO?

BLDX is cheaper with a 0.60% expense ratio, compared with 0.75% for UFO.

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

BLDX has the higher dividend yield at 0.98%, compared with 0.31% for UFO.

What is the main difference between BLDX and UFO?

They also come from different issuers: Impax Asset Management and ProcureAM. Their fees differ too: 0.60% for BLDX and 0.75% for UFO.