HYDR vs. ARKX

Last updated Apr 2, 2026

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

HYDR and ARKX are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. 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. ARKX is an actively managed fund by ARK. It was launched on Mar 30, 2021.

Performance

HYDR vs. ARKX - Performance Comparison

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

HYDR vs. ARKX - Yearly Performance Comparison

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

Returns By Period

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

HYDR

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

ARKX

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

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

HYDR vs. ARKX - Expense Ratio Comparison

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

ARKX

ARK Space Exploration & Innovation ETF

HYDR

Global X Hydrogen ETF

Return for Risk

HYDR vs. ARKX — Risk / Return Rank

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

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

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

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.

HYDR vs. ARKX - Risk-Adjusted Trends Comparison

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

	HYDR	ARKX	Difference
Sharpe ratio Return per unit of total volatility	2.40	1.98	+0.42
Sortino ratio Return per unit of downside risk	2.99	2.60	+0.39
Omega ratio Gain probability vs. loss probability	1.35	1.32	+0.04
Calmar ratio Return relative to maximum drawdown	4.13	3.36	+0.77
Martin ratio Return relative to average drawdown	9.89	9.46	+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.

HYDR vs. ARKX - Sharpe Ratio Comparison

The current HYDR Sharpe Ratio is 2.40, which is comparable to the ARKX Sharpe Ratio of 1.98. The chart below compares the historical Sharpe Ratios of HYDR and ARKX, 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

	HYDR	ARKX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.40	1.98	+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	-0.47	0.30	-0.77

Correlation

The correlation between HYDR and ARKX 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

HYDR vs. ARKX - Dividend Comparison

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

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

Drawdowns

HYDR vs. ARKX - Drawdown Comparison

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

Drawdown Indicators

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

Volatility

HYDR vs. ARKX - Volatility Comparison

Global X Hydrogen ETF (HYDR) has a higher volatility of 13.62% compared to ARK Space Exploration & Innovation ETF (ARKX) at 11.25%. This indicates that HYDR's price experiences larger fluctuations and is considered to be riskier than ARKX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

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