CHAT vs. ARKI.L

Last updated Apr 2, 2026

Compare and contrast key facts about Roundhill Generative AI & Technology ETF (CHAT) and ARK Artificial Intelligence & Robotics UCITS ETF Class A USD Accumulation (ARKI.L).

CHAT and ARKI.L are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. CHAT is an actively managed fund by Roundhill. It was launched on May 17, 2023. ARKI.L is an actively managed fund by ARK. It was launched on Apr 12, 2024.

Performance

CHAT vs. ARKI.L - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Roundhill Generative AI & Technology ETF (CHAT) and ARK Artificial Intelligence & Robotics UCITS ETF Class A USD Accumulation (ARKI.L). The values are adjusted to include any dividend payments, if applicable.

CHAT vs. ARKI.L - Yearly Performance Comparison

	2026 (YTD)	2025	2024
CHAT Roundhill Generative AI & Technology ETF	9.04%	49.85%	26.91%
ARKI.L ARK Artificial Intelligence & Robotics UCITS ETF Class A USD Accumulation	-8.97%	38.42%	58.43%

Returns By Period

In the year-to-date period, CHAT achieves a 9.04% return, which is significantly higher than ARKI.L's -8.97% return.

CHAT

• 1D: 3.95%
• 1M: 0.86%
• YTD: 9.04%
• 6M: 5.64%
• 1Y: 87.28%
• 3Y*: —
• 5Y*: —
• 10Y*: —

ARKI.L

• 1D: 4.96%
• 1M: -4.72%
• YTD: -8.97%
• 6M: -12.16%
• 1Y: 44.13%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

CHAT vs. ARKI.L - Expense Ratio Comparison

Both CHAT and ARKI.L have an expense ratio of 0.75%.

CHAT

Roundhill Generative AI & Technology ETF

ARKI.L

ARK Artificial Intelligence & Robotics UCITS ETF Class A USD Accumulation

Return for Risk

CHAT vs. ARKI.L — Risk / Return Rank

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

CHAT

CHAT Risk / Return Rank: 95
CHAT Sharpe Ratio Rank: 96
CHAT Sortino Ratio Rank: 95
CHAT Omega Ratio Rank: 93
CHAT Calmar Ratio Rank: 98
CHAT Martin Ratio Rank: 95

ARKI.L

ARKI.L Risk / Return Rank: 65
ARKI.L Sharpe Ratio Rank: 74
ARKI.L Sortino Ratio Rank: 73
ARKI.L Omega Ratio Rank: 66
ARKI.L Calmar Ratio Rank: 63
ARKI.L Martin Ratio Rank: 49

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.

CHAT vs. ARKI.L - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Roundhill Generative AI & Technology ETF (CHAT) and ARK Artificial Intelligence & Robotics UCITS ETF Class A USD Accumulation (ARKI.L). 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.

	CHAT	ARKI.L	Difference
Sharpe ratio Return per unit of total volatility	2.55	1.39	+1.16
Sortino ratio Return per unit of downside risk	3.16	1.93	+1.23
Omega ratio Gain probability vs. loss probability	1.44	1.25	+0.19
Calmar ratio Return relative to maximum drawdown	5.51	1.72	+3.79
Martin ratio Return relative to average drawdown	15.32	4.85	+10.47
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CHAT vs. ARKI.L - Sharpe Ratio Comparison

The current CHAT Sharpe Ratio is 2.55, which is higher than the ARKI.L Sharpe Ratio of 1.39. The chart below compares the historical Sharpe Ratios of CHAT and ARKI.L, 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

	CHAT	ARKI.L	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.55	1.39	+1.16
Sharpe Ratio (All Time) Calculated using the full available price history	1.33	1.36	-0.04

Correlation

The correlation between CHAT and ARKI.L is 0.59, 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

CHAT vs. ARKI.L - Dividend Comparison

CHAT's dividend yield for the trailing twelve months is around 2.61%, while ARKI.L has not paid dividends to shareholders.

	TTM	2025
CHAT Roundhill Generative AI & Technology ETF	2.61%	2.85%
ARKI.L ARK Artificial Intelligence & Robotics UCITS ETF Class A USD Accumulation	0.00%	0.00%

Drawdowns

CHAT vs. ARKI.L - Drawdown Comparison

The maximum CHAT drawdown since its inception was -31.34%, roughly equal to the maximum ARKI.L drawdown of -30.97%. Use the drawdown chart below to compare losses from any high point for CHAT and ARKI.L.

Drawdown Indicators

	CHAT	ARKI.L	Difference
Max Drawdown Largest peak-to-trough decline	-31.34%	-30.97%	-0.37%
Max Drawdown (1Y) Largest decline over 1 year	-16.28%	-24.05%	+7.77%
Current Drawdown Current decline from peak	-3.05%	-19.54%	+16.49%
Average Drawdown Average peak-to-trough decline	-5.61%	-6.33%	+0.72%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.86%	8.53%	-2.67%

Volatility

CHAT vs. ARKI.L - Volatility Comparison

Roundhill Generative AI & Technology ETF (CHAT) has a higher volatility of 13.18% compared to ARK Artificial Intelligence & Robotics UCITS ETF Class A USD Accumulation (ARKI.L) at 9.00%. This indicates that CHAT's price experiences larger fluctuations and is considered to be riskier than ARKI.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CHAT	ARKI.L	Difference
Volatility (1M) Calculated over the trailing 1-month period	13.18%	9.00%	+4.18%
Volatility (6M) Calculated over the trailing 6-month period	23.54%	21.70%	+1.84%
Volatility (1Y) Calculated over the trailing 1-year period	34.44%	31.75%	+2.69%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	29.33%	31.09%	-1.76%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	29.33%	31.09%	-1.76%