ARKX vs. UFO
ARKX (ARK Space Exploration & Innovation ETF) and UFO (Procure Space ETF) are both exchange-traded funds - ARKX is a Aerospace & Defense fund actively managed by ARK, while UFO is a Global Equities fund tracking the S-Network Space Index. ARKX is actively managed, while UFO is passively managed. Over the past 5 years, ARKX returned 8.51%/yr vs 9.89%/yr for UFO. Their correlation of 0.83 means they have usually moved in the same direction. Both charge a 0.75% expense ratio.
Performance
ARKX vs. UFO - Performance Comparison
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Returns By Period
In the year-to-date period, ARKX achieves a 5.59% return, which is significantly lower than UFO's 13.44% return.
ARKX
- 1D
- 0.82%
- 1M
- -9.65%
- 6M
- -4.35%
- YTD
- 5.59%
- 1Y
- 19.77%
- 3Y*
- 25.50%
- 5Y*
- 8.51%
- 10Y*
- —
- ALL TIME*
- 7.80%
UFO
- 1D
- -0.07%
- 1M
- -13.58%
- 6M
- -3.51%
- YTD
- 13.44%
- 1Y
- 49.19%
- 3Y*
- 31.94%
- 5Y*
- 9.89%
- 10Y*
- —
- ALL TIME*
- 9.48%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $20.56M | $23.90M | $44.78M | |
| $22.27M | $25.83M | $70.04M |
ARKX vs. UFO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
ARKX ARK Space Exploration & Innovation ETF | 5.59% | 48.46% | 26.67% | 24.37% | -34.27% | -8.05% |
UFO Procure Space ETF | 13.44% | 67.36% | 27.22% | -2.34% | -25.85% | -3.45% |
Correlation
The correlation between ARKX and UFO is 0.87, meaning they have usually moved in the same direction, including during past declines.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.87 |
Correlation (3Y) Balances recent behavior with more history. | 0.83 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.84 |
Correlation (All Time) Calculated using the full available price history since Mar 30, 2021 | 0.83 |
The correlation between ARKX and UFO has been stable across timeframes, ranging from 0.83 to 0.87 - a consistent structural relationship.
ARKX vs. UFO - Sectors Allocation Comparison
Sectors
ARKX
UFO
Industrials
Technology
Communication Services
Consumer Cyclical
-
Healthcare
-
Basic Materials
-
Consumer Defensive
-
-
Energy
-
-
Financial Services
-
Real Estate
-
-
Utilities
-
-
Industrials
ARKX
UFO
Technology
ARKX
UFO
Communication Services
ARKX
UFO
Consumer Cyclical
ARKX
UFO
-
Healthcare
ARKX
UFO
-
Basic Materials
ARKX
UFO
-
Consumer Defensive
ARKX
-
UFO
-
Energy
ARKX
-
UFO
-
Financial Services
ARKX
-
UFO
Real Estate
ARKX
-
UFO
-
Utilities
ARKX
-
UFO
-
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Return for Risk
ARKX vs. UFO — Risk / Return Rank
ARKX
UFO
ARKX vs. UFO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for ARK Space Exploration & Innovation ETF (ARKX) 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.
| ARKX | UFO | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.65 | ||
| Sortino ratioReturn per unit of downside risk | -0.83 | ||
| Omega ratioGain probability vs. loss probability | 1.11 | 1.20 | -0.10 |
| Calmar ratioReturn relative to maximum drawdown | 0.79 | 1.32 | -0.53 |
| Martin ratioReturn relative to average drawdown | 1.83 | 3.57 | -1.74 |
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Drawdowns
ARKX vs. UFO - Drawdown Comparison
The maximum ARKX drawdown since its inception was -43.61%, smaller than the maximum UFO drawdown of -50.33%. Use the drawdown chart below to compare losses from any high point for ARKX and UFO.
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Drawdown Indicators
| ARKX | UFO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -43.61% | -50.33% | +6.72% |
Max Drawdown (1Y)Largest decline over 1 year | -21.78% | -36.71% | +14.93% |
Max Drawdown (3Y)Largest decline over 3 years | -25.47% | -36.71% | +11.24% |
Max Drawdown (5Y)Largest decline over 5 years | -43.61% | -49.95% | +6.34% |
Current DrawdownCurrent decline from peak | -18.92% | -35.34% | +16.42% |
Average DrawdownAverage peak-to-trough decline | -19.79% | -21.96% | +2.17% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 9.41% | 13.52% | -4.11% |
Volatility
ARKX vs. UFO - Volatility Comparison
ARK Space Exploration & Innovation ETF (ARKX) and Procure Space ETF (UFO) have volatilities of 8.26% and 7.93%, 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
| ARKX | UFO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.26% | 7.93% | +0.33% |
Volatility (6M)Calculated over the trailing 6-month period | 26.07% | 32.78% | -6.71% |
Volatility (1Y)Calculated over the trailing 1-year period | 33.91% | 41.75% | -7.84% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 28.38% | 30.89% | -2.51% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 27.76% | 31.24% | -3.48% |
ARKX vs. UFO - Expense Ratio Comparison
Both ARKX and UFO have an expense ratio of 0.75%.
Dividends
ARKX vs. UFO - Dividend Comparison
ARKX has not paid dividends to shareholders, while UFO's dividend yield for the trailing twelve months is around 0.34%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 |
|---|---|---|---|---|---|---|---|---|
ARKX ARK Space Exploration & Innovation ETF | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
UFO Procure Space ETF | 0.34% | 0.46% | 1.98% | 1.90% | 3.19% | 1.00% | 1.07% | 0.45% |
Frequently Asked Questions
ARKX and UFO have a correlation of 0.87, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ARKX has higher volatility (8.26%) compared to UFO (7.93%). In terms of maximum drawdown, ARKX dropped -43.61% vs UFO's -50.33%.
On 5-year performance, UFO leads with 9.89% vs 8.51% for ARKX. Both ETFs have the same 0.75% expense ratio. On volatility, UFO has been the lower-risk option at 7.93%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, UFO has performed better with a 9.89% return vs 8.51%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
ARKX and UFO have the same expense ratio: 0.75% per year.
UFO has the higher dividend yield at 0.34%, compared with 0.00% for ARKX.
ARKX is categorized as Aerospace & Defense, while UFO is Global Equities. They also come from different issuers: ARK and Procure.
UFO currently has the higher Sharpe Ratio (1.16 vs 0.51), 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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