ARKX vs. NASA

Last updated Jul 14, 2026

ARKX (ARK Space Exploration & Innovation ETF) and NASA (Tema Space Innovators ETF) are both Aerospace & Defense funds. Both are actively managed. Their correlation of 0.88 suggests significant overlap in exposure. Both charge a 0.75% expense ratio.

Performance

ARKX vs. NASA - Performance Comparison

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

Returns By Period

ARKX

• 1D: -2.34%
• 1M: -7.34%
• 6M: -8.18%
• YTD: 8.01%
• 1Y: 25.35%
• 3Y*: 27.08%
• 5Y*: 8.82%
• 10Y*: —

NASA

• 1D: -4.32%
• 1M: -21.55%
• 6M: —
• YTD: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

ARKX vs. NASA - Yearly Performance Comparison

	2026 (YTD)
ARKX ARK Space Exploration & Innovation ETF	11.83%
NASA Tema Space Innovators ETF	3.94%

Correlation

The correlation between ARKX and NASA is 0.88, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (All Time) Calculated using the full available price history since Mar 31, 2026	0.88

Return for Risk

ARKX vs. NASA — Risk / Return Rank

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

ARKX

ARKX Risk / Return Rank: 27
ARKX Sharpe Ratio Rank: 26
ARKX Sortino Ratio Rank: 26
ARKX Omega Ratio Rank: 24
ARKX Calmar Ratio Rank: 31
ARKX Martin Ratio Rank: 27

NASA

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

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. NASA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ARK Space Exploration & Innovation ETF (ARKX) and Tema Space Innovators ETF (NASA). 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	NASA	Difference
Sharpe ratio: Return per unit of total volatility	0.75	—	—
Sortino ratio: Return per unit of downside risk	1.23	—	—
Omega ratio: Gain probability vs. loss probability	1.14	—	—
Calmar ratio: Return relative to maximum drawdown	1.25	—	—
Martin ratio: Return relative to average drawdown	3.01	—	—

Drawdowns

ARKX vs. NASA - Drawdown Comparison

The maximum ARKX drawdown since its inception was -43.61%, which is greater than NASA's maximum drawdown of -40.20%. Use the drawdown chart below to compare losses from any high point for ARKX and NASA.

Drawdown Indicators

	ARKX	NASA	Difference
Max Drawdown Largest peak-to-trough decline	-43.61%	-40.20%	-3.41%
Max Drawdown (1Y) Largest decline over 1 year	-20.42%	—	—
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	-17.06%	-40.20%	+23.14%
Average Drawdown Average peak-to-trough decline	-19.80%	-12.40%	-7.40%
Ulcer Index Depth and duration of drawdowns from previous peaks	8.45%	—	—

Volatility

Volatility by Period

	ARKX	NASA	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.14%	—	—
Volatility (6M) Calculated over the trailing 6-month period	26.09%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	34.24%	67.36%	-33.12%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	28.32%	67.36%	-39.04%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.76%	67.36%	-39.60%

ARKX vs. NASA - Expense Ratio Comparison

Both ARKX and NASA have an expense ratio of 0.75%.

Dividends

ARKX vs. NASA - Dividend Comparison

Neither ARKX nor NASA has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both ARKX and NASA in my portfolio?

ARKX and NASA have a correlation of 0.88, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, ARKX or NASA?

Both ETFs have the same 0.75% expense ratio. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, ARKX or NASA?

ARKX and NASA have the same expense ratio: 0.75% per year.

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

ARKX and NASA have nearly identical dividend yields, around 0.00%.

What is the main difference between ARKX and NASA?

They also come from different issuers: ARK and Tema.