ARKX vs. ROKT

Last updated Jun 3, 2026

ARKX (ARK Space Exploration & Innovation ETF) and ROKT (SPDR S&P Kensho Final Frontiers ETF) are both exchange-traded funds - ARKX is a Aerospace & Defense fund actively managed by ARK, while ROKT is a Industrials Equities fund tracking the S&P Kensho Final Frontiers Index. ARKX is actively managed, while ROKT is passively managed. Over the past 5 years, ARKX returned 12.30%/yr vs 25.88%/yr for ROKT. Their correlation of 0.85 suggests significant overlap in exposure. ARKX charges 0.75%/yr vs 0.45%/yr for ROKT.

Performance

ARKX vs. ROKT - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ARK Space Exploration & Innovation ETF (ARKX) and SPDR S&P Kensho Final Frontiers ETF (ROKT). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, ARKX achieves a 26.50% return, which is significantly lower than ROKT's 52.20% return.

ARKX

• 1D: 0.76%
• 1M: 11.84%
• YTD: 26.50%
• 6M: 35.48%
• 1Y: 75.66%
• 3Y*: 37.44%
• 5Y*: 12.30%
• 10Y*: —

ROKT

• 1D: 1.72%
• 1M: 16.83%
• YTD: 52.20%
• 6M: 68.76%
• 1Y: 122.71%
• 3Y*: 46.59%
• 5Y*: 25.88%
• 10Y*: —

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

ARKX vs. ROKT - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
ARKX ARK Space Exploration & Innovation ETF	26.50%	48.46%	26.67%	24.37%	-34.27%	-7.14%
ROKT SPDR S&P Kensho Final Frontiers ETF	52.20%	50.56%	27.89%	14.41%	-0.81%	0.01%

Correlation

The correlation between ARKX and ROKT is 0.89, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.89
Correlation (3Y) Calculated over the trailing 3-year period	0.85
Correlation (5Y) Calculated over the trailing 5-year period	0.85
Correlation (All Time) Calculated using the full available price history since Mar 31, 2021	0.85

The correlation between ARKX and ROKT has been stable across timeframes, ranging from 0.85 to 0.89 - a consistent structural relationship.

ARKX vs. ROKT - Sectors Allocation Comparison

Sectors	ARKX	ROKT
Industrials	55.7%	67.6%
Technology	27.4%	20.2%
Consumer Cyclical	7.8%	-
Communication Services	7.6%	5.9%
Healthcare	1.5%	-
Basic Materials	0.0%	-
Consumer Defensive	-	-
Energy	-	6.4%
Financial Services	-	-
Real Estate	-	-
Utilities	-	-

Return for Risk

ARKX vs. ROKT — Risk / Return Rank

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

ARKX

ARKX Risk / Return Rank: 64
ARKX Sharpe Ratio Rank: 71
ARKX Sortino Ratio Rank: 62
ARKX Omega Ratio Rank: 57
ARKX Calmar Ratio Rank: 73
ARKX Martin Ratio Rank: 56

ROKT

ROKT Risk / Return Rank: 95
ROKT Sharpe Ratio Rank: 96
ROKT Sortino Ratio Rank: 94
ROKT Omega Ratio Rank: 92
ROKT Calmar Ratio Rank: 97
ROKT Martin Ratio Rank: 96

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. ROKT - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ARK Space Exploration & Innovation ETF (ARKX) and SPDR S&P Kensho Final Frontiers ETF (ROKT). 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.

	ARKX	ROKT	Difference
Sharpe ratio Return per unit of total volatility	2.35	4.31	-1.97
Sortino ratio Return per unit of downside risk	2.93	4.87	-1.94
Omega ratio Gain probability vs. loss probability	1.35	1.62	-0.27
Calmar ratio Return relative to maximum drawdown	3.71	10.69	-6.99
Martin ratio Return relative to average drawdown	10.00	39.68	-29.68
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ARKX vs. ROKT - Sharpe Ratio Comparison

The current ARKX Sharpe Ratio is 2.35, which is lower than the ROKT Sharpe Ratio of 4.31. The chart below compares the historical Sharpe Ratios of ARKX and ROKT, 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

	ARKX	ROKT	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.35	4.31	-1.97
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.45	1.15	-0.70
Sharpe Ratio (All Time) Calculated using the full available price history	0.44	0.89	-0.44

Drawdowns

ARKX vs. ROKT - Drawdown Comparison

The maximum ARKX drawdown since its inception was -43.61%, roughly equal to the maximum ROKT drawdown of -43.16%. Use the drawdown chart below to compare losses from any high point for ARKX and ROKT.

Drawdown Indicators

	ARKX	ROKT	Difference
Max Drawdown Largest peak-to-trough decline	-43.61%	-43.16%	-0.45%
Max Drawdown (1Y) Largest decline over 1 year	-20.42%	-11.40%	-9.02%
Max Drawdown (3Y) Largest decline over 3 years	-25.47%	-23.46%	-2.01%
Max Drawdown (5Y) Largest decline over 5 years	-43.61%	-23.46%	-20.15%
Current Drawdown Current decline from peak	-2.86%	-5.31%	+2.45%
Average Drawdown Average peak-to-trough decline	-20.00%	-6.75%	-13.25%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.56%	3.07%	+4.49%

Volatility

ARKX vs. ROKT - Volatility Comparison

The current volatility for ARK Space Exploration & Innovation ETF (ARKX) is 10.73%, while SPDR S&P Kensho Final Frontiers ETF (ROKT) has a volatility of 12.31%. This indicates that ARKX experiences smaller price fluctuations and is considered to be less risky than ROKT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ARKX	ROKT	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.73%	12.31%	-1.58%
Volatility (6M) Calculated over the trailing 6-month period	24.99%	24.76%	+0.23%
Volatility (1Y) Calculated over the trailing 1-year period	32.39%	28.61%	+3.78%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	27.70%	22.72%	+4.98%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.41%	25.11%	+2.30%

ARKX vs. ROKT - Expense Ratio Comparison

ARKX has a 0.75% expense ratio, which is higher than ROKT's 0.45% expense ratio.

Dividends

ARKX vs. ROKT - Dividend Comparison

ARKX has not paid dividends to shareholders, while ROKT's dividend yield for the trailing twelve months is around 0.26%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
ARKX ARK Space Exploration & Innovation ETF	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
ROKT SPDR S&P Kensho Final Frontiers ETF	0.26%	0.41%	0.57%	0.62%	0.54%	1.79%	0.48%	0.74%	0.16%

Frequently Asked Questions

Can I hold both ARKX and ROKT in my portfolio?

ARKX and ROKT have a correlation of 0.89, 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 ROKT?

ROKT has higher volatility (12.31%) compared to ARKX (10.73%). In terms of maximum drawdown, ARKX dropped -43.61% vs ROKT's -43.16%.

Which ETF is better, ARKX or ROKT?

On 5-year performance, ROKT leads with 25.88% vs 12.30% for ARKX. On fees, ROKT is cheaper at 0.45% per year. On volatility, ARKX has been the lower-risk option at 10.73%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, ARKX or ROKT?

Over the 5-year period, ROKT has performed better with a 25.88% return vs 12.30%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, ARKX or ROKT?

ROKT is cheaper with a 0.45% expense ratio, compared with 0.75% for ARKX.

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

ROKT has the higher dividend yield at 0.26%, compared with 0.00% for ARKX.

What is the main difference between ARKX and ROKT?

ARKX is categorized as Aerospace & Defense, while ROKT is Industrials Equities. They also come from different issuers: ARK and State Street. Their fees differ too: 0.75% for ARKX and 0.45% for ROKT.

Which has better risk-adjusted returns?

ROKT currently has the higher Sharpe Ratio (4.31 vs 2.35), 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.