ROKT vs. ARKX
Compare and contrast key facts about SPDR S&P Kensho Final Frontiers ETF (ROKT) and ARK Space Exploration & Innovation ETF (ARKX).
ROKT and ARKX are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. ROKT is a passively managed fund by State Street that tracks the performance of the S&P Kensho Final Frontiers Index. It was launched on Oct 22, 2018. ARKX is an actively managed fund by ARK. It was launched on Mar 30, 2021.
Performance
ROKT vs. ARKX - Performance Comparison
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ROKT vs. ARKX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
ROKT SPDR S&P Kensho Final Frontiers ETF | 20.37% | 50.56% | 27.89% | 14.41% | -0.81% | 0.01% |
ARKX ARK Space Exploration & Innovation ETF | 3.21% | 48.46% | 26.67% | 24.37% | -34.27% | -7.14% |
Returns By Period
In the year-to-date period, ROKT achieves a 20.37% return, which is significantly higher than ARKX's 3.21% return.
ROKT
- 1D
- 2.91%
- 1M
- -4.77%
- YTD
- 20.37%
- 6M
- 33.50%
- 1Y
- 92.60%
- 3Y*
- 36.67%
- 5Y*
- 21.01%
- 10Y*
- —
ARKX
- 1D
- 1.91%
- 1M
- -7.49%
- YTD
- 3.21%
- 6M
- 3.53%
- 1Y
- 68.32%
- 3Y*
- 28.79%
- 5Y*
- 7.42%
- 10Y*
- —
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ROKT vs. ARKX - Expense Ratio Comparison
ROKT has a 0.45% expense ratio, which is lower than ARKX's 0.75% expense ratio.
Return for Risk
ROKT vs. ARKX — Risk / Return Rank
ROKT
ARKX
ROKT vs. ARKX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for SPDR S&P Kensho Final Frontiers ETF (ROKT) and ARK Space Exploration & Innovation ETF (ARKX). 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.
| ROKT | ARKX | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 3.17 | 1.98 | +1.20 |
Sortino ratioReturn per unit of downside risk | 3.82 | 2.60 | +1.21 |
Omega ratioGain probability vs. loss probability | 1.52 | 1.32 | +0.20 |
Calmar ratioReturn relative to maximum drawdown | 6.94 | 3.36 | +3.58 |
Martin ratioReturn relative to average drawdown | 26.49 | 9.46 | +17.03 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| ROKT | ARKX | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 3.17 | 1.98 | +1.20 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.96 | 0.27 | +0.69 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.77 | 0.30 | +0.47 |
Correlation
The correlation between ROKT and ARKX is 0.85, 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
ROKT vs. ARKX - Dividend Comparison
ROKT's dividend yield for the trailing twelve months is around 0.33%, while ARKX has not paid dividends to shareholders.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
ROKT SPDR S&P Kensho Final Frontiers ETF | 0.33% | 0.41% | 0.57% | 0.62% | 0.54% | 1.79% | 0.48% | 0.74% | 0.16% |
ARKX ARK Space Exploration & Innovation ETF | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Drawdowns
ROKT vs. ARKX - Drawdown Comparison
The maximum ROKT drawdown since its inception was -43.16%, roughly equal to the maximum ARKX drawdown of -43.61%. Use the drawdown chart below to compare losses from any high point for ROKT and ARKX.
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Drawdown Indicators
| ROKT | ARKX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -43.16% | -43.61% | +0.45% |
Max Drawdown (1Y)Largest decline over 1 year | -13.36% | -20.42% | +7.06% |
Max Drawdown (5Y)Largest decline over 5 years | -23.46% | -43.61% | +20.15% |
Current DrawdownCurrent decline from peak | -4.77% | -14.96% | +10.19% |
Average DrawdownAverage peak-to-trough decline | -6.86% | -20.49% | +13.63% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.50% | 7.25% | -3.75% |
Volatility
ROKT vs. ARKX - Volatility Comparison
SPDR S&P Kensho Final Frontiers ETF (ROKT) and ARK Space Exploration & Innovation ETF (ARKX) have volatilities of 10.90% and 11.25%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ROKT | ARKX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 10.90% | 11.25% | -0.35% |
Volatility (6M)Calculated over the trailing 6-month period | 22.79% | 25.62% | -2.83% |
Volatility (1Y)Calculated over the trailing 1-year period | 29.33% | 34.73% | -5.40% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.91% | 27.20% | -5.29% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 24.80% | 27.20% | -2.40% |