NASA vs. MARS
NASA (Tema Space Innovators ETF) and MARS (Roundhill Space & Technology ETF) are both exchange-traded funds - NASA is a Aerospace & Defense fund actively managed by Tema, while MARS is a Technology Equities fund actively managed by Roundhill. Both are actively managed. Their 0.97 correlation means they have historically moved very closely together. Both charge a 0.75% expense ratio.
Performance
NASA vs. MARS - Performance Comparison
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Returns By Period
NASA
- 1D
- 0.09%
- 1M
- -25.91%
- 6M
- —
- YTD
- —
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- —
MARS
- 1D
- -0.17%
- 1M
- -25.29%
- 6M
- —
- YTD
- —
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- —
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $860.83K | $1.10M | $6.04M | |
| $29.19M | $44.00M | $218.58M |
NASA vs. MARS - Yearly Performance Comparison
| 2026 (YTD) | |
|---|---|
NASA Tema Space Innovators ETF | -10.29% |
MARS Roundhill Space & Technology ETF | -2.05% |
Correlation
The correlation between NASA and MARS is 0.97 - they have historically moved very closely together. At this level, their price movements offset little of one another.
| Correlation | |
|---|---|
Correlation (All Time) Calculated using the full available price history since Mar 31, 2026 | 0.97 |
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Return for Risk
NASA vs. MARS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Tema Space Innovators ETF (NASA) and Roundhill Space & Technology ETF (MARS). 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.
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
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Drawdowns
NASA vs. MARS - Drawdown Comparison
The maximum NASA drawdown since its inception was -50.97%, roughly equal to the maximum MARS drawdown of -50.89%. Use the drawdown chart below to compare losses from any high point for NASA and MARS.
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Drawdown Indicators
| NASA | MARS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -50.97% | -50.89% | -0.08% |
Current DrawdownCurrent decline from peak | -48.39% | -48.61% | +0.22% |
Average DrawdownAverage peak-to-trough decline | -17.87% | -16.21% | -1.66% |
Volatility
NASA vs. MARS - Volatility Comparison
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Volatility by Period
| NASA | MARS | Difference | |
|---|---|---|---|
Volatility (1Y)Calculated over the trailing 1-year period | 65.62% | 65.58% | +0.04% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 65.62% | 65.58% | +0.04% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 65.62% | 65.58% | +0.04% |
NASA vs. MARS - Expense Ratio Comparison
Both NASA and MARS have an expense ratio of 0.75%.
Dividends
NASA vs. MARS - Dividend Comparison
Neither NASA nor MARS has paid dividends to shareholders.
Frequently Asked Questions
With a correlation of 0.97, NASA and MARS move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
Both ETFs have the same 0.75% expense ratio. The better choice depends on whether you care most about return, fees, risk, or income.
NASA and MARS have the same expense ratio: 0.75% per year.
NASA and MARS have nearly identical dividend yields, around 0.00%.
NASA is categorized as Aerospace & Defense, while MARS is Technology Equities. They also come from different issuers: Tema and Roundhill.
Find the right allocation for NASA and MARS
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