ARKX vs. NUKZ

Last updated Jun 13, 2026

ARKX (ARK Space Exploration & Innovation ETF) and NUKZ (Range Nuclear Renaissance ETF) are both exchange-traded funds - ARKX is a Aerospace & Defense fund actively managed by ARK, while NUKZ is a Energy Equities fund tracking the Range Nuclear Renaissance Index. ARKX is actively managed, while NUKZ is passively managed. Over the past year, ARKX returned 55.81% vs 28.77% for NUKZ. A 0.68 correlation means they provide meaningful diversification when combined. ARKX charges 0.75%/yr vs 0.85%/yr for NUKZ.

Performance

ARKX vs. NUKZ - Performance Comparison

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

Returns By Period

In the year-to-date period, ARKX achieves a 16.56% return, which is significantly higher than NUKZ's 7.57% return.

ARKX

• 1D: -1.94%
• 1M: -3.79%
• YTD: 16.56%
• 6M: 17.78%
• 1Y: 55.81%
• 3Y*: 31.55%
• 5Y*: 10.38%
• 10Y*: —

NUKZ

• 1D: 1.59%
• 1M: -4.67%
• YTD: 7.57%
• 6M: 4.81%
• 1Y: 28.77%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

ARKX vs. NUKZ - Yearly Performance Comparison

	2026 (YTD)	2025	2024
ARKX ARK Space Exploration & Innovation ETF	16.56%	48.46%	32.97%
NUKZ Range Nuclear Renaissance ETF	7.57%	56.57%	60.11%

Correlation

The correlation between ARKX and NUKZ is 0.75, 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	0.75
Correlation (All Time) Calculated using the full available price history since Jan 24, 2024	0.68

The correlation between ARKX and NUKZ has been stable across timeframes, ranging from 0.68 to 0.75 - a consistent structural relationship.

ARKX vs. NUKZ - Sectors Allocation Comparison

Sectors	ARKX	NUKZ
Industrials	55.7%	45.9%
Technology	27.4%	1.4%
Consumer Cyclical	7.8%	-
Communication Services	7.6%	-
Healthcare	1.5%	-
Basic Materials	0.0%	4.0%
Consumer Defensive	-	-
Energy	-	12.9%
Financial Services	-	-
Real Estate	-	-
Utilities	-	35.8%

Return for Risk

ARKX vs. NUKZ — Risk / Return Rank

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

ARKX

ARKX Risk / Return Rank: 51
ARKX Sharpe Ratio Rank: 53
ARKX Sortino Ratio Rank: 50
ARKX Omega Ratio Rank: 45
ARKX Calmar Ratio Rank: 60
ARKX Martin Ratio Rank: 47

NUKZ

NUKZ Risk / Return Rank: 31
NUKZ Sharpe Ratio Rank: 29
NUKZ Sortino Ratio Rank: 30
NUKZ Omega Ratio Rank: 27
NUKZ Calmar Ratio Rank: 39
NUKZ Martin Ratio Rank: 32

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. NUKZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ARK Space Exploration & Innovation ETF (ARKX) and Range Nuclear Renaissance ETF (NUKZ). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	ARKX	NUKZ	Difference
Sharpe ratio: Return per unit of total volatility	1.59	0.92	+0.67
Sortino ratio: Return per unit of downside risk	2.15	1.43	+0.72
Omega ratio: Gain probability vs. loss probability	1.26	1.17	+0.09
Calmar ratio: Return relative to maximum drawdown	2.61	1.70	+0.91
Martin ratio: Return relative to average drawdown	6.87	4.11	+2.75

ARKX vs. NUKZ - Sharpe Ratio Comparison

The current ARKX Sharpe Ratio is 1.59, which is higher than the NUKZ Sharpe Ratio of 0.92. The chart below compares the historical Sharpe Ratios of ARKX and NUKZ, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

ARKX vs. NUKZ - Drawdown Comparison

The maximum ARKX drawdown since its inception was -43.61%, which is greater than NUKZ's maximum drawdown of -33.03%. Use the drawdown chart below to compare losses from any high point for ARKX and NUKZ.

Drawdown Indicators

	ARKX	NUKZ	Difference
Max Drawdown Largest peak-to-trough decline	-43.61%	-33.03%	-10.58%
Max Drawdown (1Y) Largest decline over 1 year	-20.42%	-16.51%	-3.91%
Max Drawdown (3Y) Largest decline over 3 years	-25.47%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-43.61%	—	—
Current Drawdown Current decline from peak	-10.49%	-10.39%	-0.10%
Average Drawdown Average peak-to-trough decline	-19.92%	-6.06%	-13.86%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.74%	6.80%	+0.94%

Volatility

ARKX vs. NUKZ - Volatility Comparison

ARK Space Exploration & Innovation ETF (ARKX) has a higher volatility of 12.77% compared to Range Nuclear Renaissance ETF (NUKZ) at 11.24%. This indicates that ARKX's price experiences larger fluctuations and is considered to be riskier than NUKZ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ARKX	NUKZ	Difference
Volatility (1M) Calculated over the trailing 1-month period	12.77%	11.24%	+1.53%
Volatility (6M) Calculated over the trailing 6-month period	26.51%	23.34%	+3.17%
Volatility (1Y) Calculated over the trailing 1-year period	33.50%	30.46%	+3.04%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	28.02%	32.94%	-4.92%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.65%	32.94%	-5.29%

ARKX vs. NUKZ - Expense Ratio Comparison

ARKX has a 0.75% expense ratio, which is lower than NUKZ's 0.85% expense ratio.

Dividends

ARKX vs. NUKZ - Dividend Comparison

ARKX has not paid dividends to shareholders, while NUKZ's dividend yield for the trailing twelve months is around 0.85%.

Position	TTM	2025	2024
ARKX ARK Space Exploration & Innovation ETF	0.00%	0.00%	0.00%
NUKZ Range Nuclear Renaissance ETF	0.85%	0.91%	0.09%

Frequently Asked Questions

Can I hold both ARKX and NUKZ in my portfolio?

ARKX and NUKZ have a correlation of 0.75, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ARKX or NUKZ?

ARKX has higher volatility (12.77%) compared to NUKZ (11.24%). In terms of maximum drawdown, ARKX dropped -43.61% vs NUKZ's -33.03%.

Which ETF is better, ARKX or NUKZ?

On 1-year performance, ARKX leads with 55.81% vs 28.77% for NUKZ. On fees, ARKX is cheaper at 0.75% per year. On volatility, NUKZ has been the lower-risk option at 11.24%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, ARKX or NUKZ?

Over the 1-year period, ARKX has performed better with a 55.81% return vs 28.77%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, ARKX or NUKZ?

ARKX is cheaper with a 0.75% expense ratio, compared with 0.85% for NUKZ.

Which ETF pays a higher dividend yield, ARKX or NUKZ?

NUKZ has the higher dividend yield at 0.85%, compared with 0.00% for ARKX.

What is the main difference between ARKX and NUKZ?

ARKX is categorized as Aerospace & Defense, while NUKZ is Energy Equities. They also come from different issuers: ARK and Exchange Traded Concepts. Their fees differ too: 0.75% for ARKX and 0.85% for NUKZ.

Which has better risk-adjusted returns?

ARKX currently has the higher Sharpe Ratio (1.59 vs 0.92), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.