ARKI.L vs. LOCK.L

Last updated Apr 2, 2026

Compare and contrast key facts about ARK Artificial Intelligence & Robotics UCITS ETF Class A USD Accumulation (ARKI.L) and iShares Digital Security UCITS ETF USD Acc (LOCK.L).

ARKI.L and LOCK.L are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. ARKI.L is an actively managed fund by ARK. It was launched on Apr 12, 2024. LOCK.L is a passively managed fund by iShares that tracks the performance of the MSCI World/Information Tech NR USD. It was launched on Sep 7, 2018.

Performance

ARKI.L vs. LOCK.L - Performance Comparison

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

ARKI.L vs. LOCK.L - Yearly Performance Comparison

	2026 (YTD)	2025	2024
ARKI.L ARK Artificial Intelligence & Robotics UCITS ETF Class A USD Accumulation	-8.97%	38.42%	58.43%
LOCK.L iShares Digital Security UCITS ETF USD Acc	-3.30%	11.36%	22.81%

Returns By Period

In the year-to-date period, ARKI.L achieves a -8.97% return, which is significantly lower than LOCK.L's -3.30% return.

ARKI.L

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

LOCK.L

• 1D: 4.40%
• 1M: 1.41%
• YTD: -3.30%
• 6M: -4.76%
• 1Y: 13.23%
• 3Y*: 15.11%
• 5Y*: 6.55%
• 10Y*: —

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

ARKI.L vs. LOCK.L - Expense Ratio Comparison

ARKI.L has a 0.75% expense ratio, which is higher than LOCK.L's 0.40% expense ratio.

ARKI.L

ARK Artificial Intelligence & Robotics UCITS ETF Class A USD Accumulation

LOCK.L

iShares Digital Security UCITS ETF USD Acc

Return for Risk

ARKI.L vs. LOCK.L — Risk / Return Rank

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

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

LOCK.L

LOCK.L Risk / Return Rank: 32
LOCK.L Sharpe Ratio Rank: 32
LOCK.L Sortino Ratio Rank: 31
LOCK.L Omega Ratio Rank: 29
LOCK.L Calmar Ratio Rank: 38
LOCK.L Martin Ratio Rank: 29

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.

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

This table presents a comparison of risk-adjusted performance metrics for ARK Artificial Intelligence & Robotics UCITS ETF Class A USD Accumulation (ARKI.L) and iShares Digital Security UCITS ETF USD Acc (LOCK.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.

	ARKI.L	LOCK.L	Difference
Sharpe ratio Return per unit of total volatility	1.39	0.62	+0.76
Sortino ratio Return per unit of downside risk	1.93	0.98	+0.95
Omega ratio Gain probability vs. loss probability	1.25	1.13	+0.12
Calmar ratio Return relative to maximum drawdown	1.72	1.05	+0.67
Martin ratio Return relative to average drawdown	4.85	2.55	+2.31
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ARKI.L vs. LOCK.L - Sharpe Ratio Comparison

The current ARKI.L Sharpe Ratio is 1.39, which is higher than the LOCK.L Sharpe Ratio of 0.62. The chart below compares the historical Sharpe Ratios of ARKI.L and LOCK.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

	ARKI.L	LOCK.L	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.39	0.62	+0.76
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.32	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.36	0.45	+0.91

Correlation

The correlation between ARKI.L and LOCK.L is 0.75, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

ARKI.L vs. LOCK.L - Dividend Comparison

Neither ARKI.L nor LOCK.L has paid dividends to shareholders.

Tickers have no history of dividend payments

Drawdowns

ARKI.L vs. LOCK.L - Drawdown Comparison

The maximum ARKI.L drawdown since its inception was -30.97%, smaller than the maximum LOCK.L drawdown of -36.04%. Use the drawdown chart below to compare losses from any high point for ARKI.L and LOCK.L.

Drawdown Indicators

	ARKI.L	LOCK.L	Difference
Max Drawdown Largest peak-to-trough decline	-30.97%	-36.04%	+5.07%
Max Drawdown (1Y) Largest decline over 1 year	-24.05%	-11.90%	-12.15%
Max Drawdown (5Y) Largest decline over 5 years	—	-36.04%	—
Current Drawdown Current decline from peak	-19.54%	-7.77%	-11.77%
Average Drawdown Average peak-to-trough decline	-6.33%	-9.77%	+3.44%
Ulcer Index Depth and duration of drawdowns from previous peaks	8.53%	4.80%	+3.73%

Volatility

ARKI.L vs. LOCK.L - Volatility Comparison

ARK Artificial Intelligence & Robotics UCITS ETF Class A USD Accumulation (ARKI.L) has a higher volatility of 9.00% compared to iShares Digital Security UCITS ETF USD Acc (LOCK.L) at 7.39%. This indicates that ARKI.L's price experiences larger fluctuations and is considered to be riskier than LOCK.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ARKI.L	LOCK.L	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.00%	7.39%	+1.61%
Volatility (6M) Calculated over the trailing 6-month period	21.70%	14.82%	+6.88%
Volatility (1Y) Calculated over the trailing 1-year period	31.75%	21.17%	+10.58%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	31.09%	20.69%	+10.40%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	31.09%	20.97%	+10.12%