ARKX vs. HYDR

Last updated Apr 2, 2026

Compare and contrast key facts about ARK Space Exploration & Innovation ETF (ARKX) and Global X Hydrogen ETF (HYDR).

ARKX and HYDR are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. ARKX is an actively managed fund by ARK. It was launched on Mar 30, 2021. HYDR is a passively managed fund by Global X that tracks the performance of the Solactive Global Hydrogen Index - Benchmark TR Net. It was launched on Jul 12, 2021.

Performance

ARKX vs. HYDR - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ARK Space Exploration & Innovation ETF (ARKX) and Global X Hydrogen ETF (HYDR). The values are adjusted to include any dividend payments, if applicable.

ARKX vs. HYDR - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
ARKX ARK Space Exploration & Innovation ETF	3.21%	48.46%	26.67%	24.37%	-34.27%	-8.09%
HYDR Global X Hydrogen ETF	14.75%	43.73%	-33.08%	-36.49%	-47.24%	-13.89%

Returns By Period

In the year-to-date period, ARKX achieves a 3.21% return, which is significantly lower than HYDR's 14.75% return.

ARKX

• 1D: 1.91%
• 1M: -7.49%
• YTD: 3.21%
• 6M: 3.53%
• 1Y: 68.32%
• 3Y*: 28.79%
• 5Y*: 7.42%
• 10Y*: —

HYDR

• 1D: 0.65%
• 1M: -5.99%
• YTD: 14.75%
• 6M: -0.04%
• 1Y: 117.67%
• 3Y*: -11.33%
• 5Y*: —
• 10Y*: —

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

ARKX vs. HYDR - Expense Ratio Comparison

ARKX has a 0.75% expense ratio, which is higher than HYDR's 0.50% expense ratio.

ARKX

ARK Space Exploration & Innovation ETF

HYDR

Global X Hydrogen ETF

Return for Risk

ARKX vs. HYDR — Risk / Return Rank

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

ARKX

ARKX Risk / Return Rank: 86
ARKX Sharpe Ratio Rank: 89
ARKX Sortino Ratio Rank: 90
ARKX Omega Ratio Rank: 80
ARKX Calmar Ratio Rank: 92
ARKX Martin Ratio Rank: 82

HYDR

HYDR Risk / Return Rank: 90
HYDR Sharpe Ratio Rank: 94
HYDR Sortino Ratio Rank: 94
HYDR Omega Ratio Rank: 86
HYDR Calmar Ratio Rank: 95
HYDR Martin Ratio Rank: 83

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.

ARKX vs. HYDR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ARK Space Exploration & Innovation ETF (ARKX) and Global X Hydrogen ETF (HYDR). 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.

	ARKX	HYDR	Difference
Sharpe ratio Return per unit of total volatility	1.98	2.40	-0.42
Sortino ratio Return per unit of downside risk	2.60	2.99	-0.39
Omega ratio Gain probability vs. loss probability	1.32	1.35	-0.04
Calmar ratio Return relative to maximum drawdown	3.36	4.13	-0.77
Martin ratio Return relative to average drawdown	9.46	9.89	-0.43
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ARKX vs. HYDR - Sharpe Ratio Comparison

The current ARKX Sharpe Ratio is 1.98, which is comparable to the HYDR Sharpe Ratio of 2.40. The chart below compares the historical Sharpe Ratios of ARKX and HYDR, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	ARKX	HYDR	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.98	2.40	-0.42
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.27	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.30	-0.47	+0.77

Correlation

The correlation between ARKX and HYDR is 0.67, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

ARKX vs. HYDR - Dividend Comparison

ARKX has not paid dividends to shareholders, while HYDR's dividend yield for the trailing twelve months is around 3.33%.

	TTM	2025	2024	2023	2022	2021
ARKX ARK Space Exploration & Innovation ETF	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
HYDR Global X Hydrogen ETF	3.33%	3.82%	0.40%	0.00%	0.00%	0.06%

Drawdowns

ARKX vs. HYDR - Drawdown Comparison

The maximum ARKX drawdown since its inception was -43.61%, smaller than the maximum HYDR drawdown of -89.28%. Use the drawdown chart below to compare losses from any high point for ARKX and HYDR.

Drawdown Indicators

	ARKX	HYDR	Difference
Max Drawdown Largest peak-to-trough decline	-43.61%	-89.28%	+45.67%
Max Drawdown (1Y) Largest decline over 1 year	-20.42%	-29.76%	+9.34%
Max Drawdown (5Y) Largest decline over 5 years	-43.61%	—	—
Current Drawdown Current decline from peak	-14.96%	-73.65%	+58.69%
Average Drawdown Average peak-to-trough decline	-20.49%	-64.40%	+43.91%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.25%	12.42%	-5.17%

Volatility

ARKX vs. HYDR - Volatility Comparison

The current volatility for ARK Space Exploration & Innovation ETF (ARKX) is 11.25%, while Global X Hydrogen ETF (HYDR) has a volatility of 13.62%. This indicates that ARKX experiences smaller price fluctuations and is considered to be less risky than HYDR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ARKX	HYDR	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.25%	13.62%	-2.37%
Volatility (6M) Calculated over the trailing 6-month period	25.62%	38.08%	-12.46%
Volatility (1Y) Calculated over the trailing 1-year period	34.73%	49.41%	-14.68%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	27.20%	46.23%	-19.03%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.20%	46.23%	-19.03%