MARS vs. XT
MARS (Roundhill Space & Technology ETF) and XT (iShares Future Exponential Technologies ETF) are both Technology Equities funds. MARS is actively managed, while XT is passively managed. Their 0.64 correlation means they have sometimes moved together and sometimes differently. MARS charges 0.75%/yr vs 0.46%/yr for XT.
Performance
MARS vs. XT - Performance Comparison
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Returns By Period
MARS
- 1D
- 4.78%
- 1M
- -21.72%
- 6M
- —
- YTD
- —
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- —
XT
- 1D
- 0.94%
- 1M
- -2.33%
- 6M
- 11.05%
- YTD
- 15.68%
- 1Y
- 33.19%
- 3Y*
- 16.27%
- 5Y*
- 6.52%
- 10Y*
- 13.72%
- ALL TIME*
- 12.32%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $836.37K | $1.07M | $6.11M | |
| $6.36M | $6.26M | $10.28M |
MARS vs. XT - Yearly Performance Comparison
| 2026 (YTD) | |
|---|---|
MARS Roundhill Space & Technology ETF | -3.65% |
XT iShares Future Exponential Technologies ETF | 12.83% |
Correlation
The correlation between MARS and XT is 0.64, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (All Time) Calculated using the full available price history since Mar 5, 2026 | 0.64 |
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Return for Risk
MARS vs. XT — Risk / Return Rank
MARS
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
XT
MARS vs. XT - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Roundhill Space & Technology ETF (MARS) and iShares Future Exponential Technologies ETF (XT). 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.
| MARS | XT | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | — | 1.32 | — |
| Calmar ratioReturn relative to maximum drawdown | — | 3.19 | — |
| Martin ratioReturn relative to average drawdown | — | 11.45 | — |
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Drawdowns
MARS vs. XT - Drawdown Comparison
The maximum MARS drawdown since its inception was -50.89%, which is greater than XT's maximum drawdown of -34.41%. Use the drawdown chart below to compare losses from any high point for MARS and XT.
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Drawdown Indicators
| MARS | XT | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -50.89% | -34.41% | -16.48% |
Max Drawdown (1Y)Largest decline over 1 year | — | -10.45% | — |
Max Drawdown (3Y)Largest decline over 3 years | — | -22.09% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -34.41% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -34.41% | — |
Current DrawdownCurrent decline from peak | -46.15% | -4.22% | -41.93% |
Average DrawdownAverage peak-to-trough decline | -16.50% | -7.35% | -9.15% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | — | 2.90% | — |
Volatility
MARS vs. XT - Volatility Comparison
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Volatility by Period
| MARS | XT | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | — | 5.03% | — |
Volatility (6M)Calculated over the trailing 6-month period | — | 14.41% | — |
Volatility (1Y)Calculated over the trailing 1-year period | 65.69% | 17.83% | +47.86% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 65.69% | 21.09% | +44.60% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 65.69% | 20.13% | +45.56% |
MARS vs. XT - Expense Ratio Comparison
MARS has a 0.75% expense ratio, which is higher than XT's 0.46% expense ratio.
Dividends
MARS vs. XT - Dividend Comparison
MARS has not paid dividends to shareholders, while XT's dividend yield for the trailing twelve months is around 7.08%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MARS Roundhill Space & Technology ETF | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
XT iShares Future Exponential Technologies ETF | 7.08% | 7.95% | 0.66% | 0.41% | 0.78% | 0.84% | 0.77% | 1.55% | 1.40% | 0.97% | 1.37% | 1.34% |
Frequently Asked Questions
MARS and XT have a correlation of 0.64, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, XT is cheaper at 0.46% per year. The better choice depends on whether you care most about return, fees, risk, or income.
XT is cheaper with a 0.46% expense ratio, compared with 0.75% for MARS.
XT has the higher dividend yield at 7.08%, compared with 0.00% for MARS.
They also come from different issuers: Roundhill and iShares. Their fees differ too: 0.75% for MARS and 0.46% for XT.
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