IROB.DE vs. HTMW.DE

Last updated Jun 5, 2026

IROB.DE (L&G ROBO Global Robotics and Automation UCITS ETF) and HTMW.DE (Legal & General Hydrogen Economy UCITS ETF) are both exchange-traded funds - IROB.DE is a Technology Equities fund tracking the ROBO-STOX® Global Robotics and Automation, while HTMW.DE is a Alternative Energy Equities fund tracking the Solactive Hydrogen Economy Index NTR. Both are passively managed. Over the past 5 years, IROB.DE returned 7.96%/yr vs 2.27%/yr for HTMW.DE. A 0.74 correlation means they provide meaningful diversification when combined. IROB.DE charges 0.80%/yr vs 0.49%/yr for HTMW.DE.

Performance

IROB.DE vs. HTMW.DE - Performance Comparison

The chart below illustrates the hypothetical performance of a €10,000 investment in L&G ROBO Global Robotics and Automation UCITS ETF (IROB.DE) and Legal & General Hydrogen Economy UCITS ETF (HTMW.DE). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IROB.DE achieves a 28.27% return, which is significantly lower than HTMW.DE's 54.80% return.

IROB.DE

• 1D: -1.49%
• 1M: 6.54%
• YTD: 28.27%
• 6M: 25.45%
• 1Y: 53.74%
• 3Y*: 13.62%
• 5Y*: 7.96%
• 10Y*: 13.49%

HTMW.DE

• 1D: -1.27%
• 1M: 1.95%
• YTD: 54.80%
• 6M: 45.64%
• 1Y: 105.42%
• 3Y*: 20.30%
• 5Y*: 2.27%
• 10Y*: —

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

IROB.DE vs. HTMW.DE - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
IROB.DE L&G ROBO Global Robotics and Automation UCITS ETF	28.27%	10.23%	4.18%	20.94%	-30.08%	7.59%
HTMW.DE Legal & General Hydrogen Economy UCITS ETF	54.80%	25.34%	-2.43%	-6.52%	-32.92%	-25.69%

Correlation

The correlation between IROB.DE and HTMW.DE is 0.70, 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	0.70
Correlation (3Y) Calculated over the trailing 3-year period	0.70
Correlation (5Y) Calculated over the trailing 5-year period	0.73
Correlation (All Time) Calculated using the full available price history since Feb 11, 2021	0.74

The correlation between IROB.DE and HTMW.DE has been stable across timeframes, ranging from 0.69 to 0.74 - a consistent structural relationship.

Return for Risk

IROB.DE vs. HTMW.DE — Risk / Return Rank

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

IROB.DE

IROB.DE Risk / Return Rank: 77
IROB.DE Sharpe Ratio Rank: 78
IROB.DE Sortino Ratio Rank: 77
IROB.DE Omega Ratio Rank: 72
IROB.DE Calmar Ratio Rank: 78
IROB.DE Martin Ratio Rank: 78

HTMW.DE

HTMW.DE Risk / Return Rank: 91
HTMW.DE Sharpe Ratio Rank: 94
HTMW.DE Sortino Ratio Rank: 91
HTMW.DE Omega Ratio Rank: 87
HTMW.DE Calmar Ratio Rank: 94
HTMW.DE Martin Ratio Rank: 90

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.

IROB.DE vs. HTMW.DE - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for L&G ROBO Global Robotics and Automation UCITS ETF (IROB.DE) and Legal & General Hydrogen Economy UCITS ETF (HTMW.DE). 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.

	IROB.DE	HTMW.DE	Difference
Sharpe ratio: Return per unit of total volatility	2.48	3.52	-1.04
Sortino ratio: Return per unit of downside risk	3.39	4.23	-0.84
Omega ratio: Gain probability vs. loss probability	1.42	1.53	-0.11
Calmar ratio: Return relative to maximum drawdown	3.94	7.28	-3.33
Martin ratio: Return relative to average drawdown	15.02	20.59	-5.58
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IROB.DE vs. HTMW.DE - Sharpe Ratio Comparison

The current IROB.DE Sharpe Ratio is 2.48, which is comparable to the HTMW.DE Sharpe Ratio of 3.52. The chart below compares the historical Sharpe Ratios of IROB.DE and HTMW.DE, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	IROB.DE	HTMW.DE	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.48	3.52	-1.04
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.37	0.09	+0.29
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.64	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.57	-0.09	+0.66

Drawdowns

IROB.DE vs. HTMW.DE - Drawdown Comparison

The maximum IROB.DE drawdown since its inception was -36.52%, smaller than the maximum HTMW.DE drawdown of -63.93%. Use the drawdown chart below to compare losses from any high point for IROB.DE and HTMW.DE.

Drawdown Indicators

	IROB.DE	HTMW.DE	Difference
Max Drawdown Largest peak-to-trough decline	-36.52%	-63.93%	+27.41%
Max Drawdown (1Y) Largest decline over 1 year	-13.67%	-14.49%	+0.82%
Max Drawdown (3Y) Largest decline over 3 years	-31.95%	-33.07%	+1.12%
Max Drawdown (5Y) Largest decline over 5 years	-36.52%	-57.56%	+21.04%
Max Drawdown (10Y) Largest decline over 10 years	-36.52%	—	—
Current Drawdown Current decline from peak	-1.77%	-11.80%	+10.03%
Average Drawdown Average peak-to-trough decline	-11.47%	-42.55%	+31.08%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.60%	5.13%	-1.53%

Volatility

IROB.DE vs. HTMW.DE - Volatility Comparison

The current volatility for L&G ROBO Global Robotics and Automation UCITS ETF (IROB.DE) is 7.52%, while Legal & General Hydrogen Economy UCITS ETF (HTMW.DE) has a volatility of 11.53%. This indicates that IROB.DE experiences smaller price fluctuations and is considered to be less risky than HTMW.DE based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IROB.DE	HTMW.DE	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.52%	11.53%	-4.01%
Volatility (6M) Calculated over the trailing 6-month period	16.66%	19.57%	-2.91%
Volatility (1Y) Calculated over the trailing 1-year period	21.72%	29.96%	-8.24%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.13%	26.47%	-5.34%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	21.01%	26.64%	-5.63%

IROB.DE vs. HTMW.DE - Expense Ratio Comparison

IROB.DE has a 0.80% expense ratio, which is higher than HTMW.DE's 0.49% expense ratio.

Dividends

IROB.DE vs. HTMW.DE - Dividend Comparison

Neither IROB.DE nor HTMW.DE has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both IROB.DE and HTMW.DE in my portfolio?

IROB.DE and HTMW.DE have a correlation of 0.70, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, IROB.DE or HTMW.DE?

On fees, HTMW.DE is cheaper at 0.49% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, IROB.DE or HTMW.DE?

HTMW.DE is cheaper with a 0.49% expense ratio, compared with 0.80% for IROB.DE.

What is the main difference between IROB.DE and HTMW.DE?

IROB.DE is categorized as Technology Equities, while HTMW.DE is Alternative Energy Equities. IROB.DE tracks ROBO-STOX® Global Robotics and Automation, while HTMW.DE tracks Solactive Hydrogen Economy Index NTR. Their fees differ too: 0.80% for IROB.DE and 0.49% for HTMW.DE.