Roundhill Space & Technology ETF (MARS) belongs to the Technology Equities category. Below you'll find alternative ETFs from the same category, ranked by key criteria, plus funds that investors commonly compare with MARS. Use the tables to find lower-cost options, better risk-adjusted returns, or a closer substitute for your current allocation.
Cheapest Alternatives to MARS
MARS charges 0.75% annually. There are 134 ETFs in the Technology Equities category with lower expense ratios, going as low as 0.08%.
| Symbol | Name | Expense Ratio | AUM | Inception | |
|---|---|---|---|---|---|
| Fidelity MSCI Information Technology Index ETF | 0.08% | 21.38B | Oct 2013 | MARS vs FTEC | |
| State Street Technology Select Sector SPDR ETF | 0.08% | 130.33B | Dec 1998 | MARS vs XLK | |
| Vanguard Information Technology ETF | 0.09% | 170.10B | Mar 2004 | MARS vs VGT | |
| Vaneck Technology Trusector ETF | 0.13% | 160.81M | Aug 2025 | MARS vs TRUT | |
| Global X PureCap MSCI Information Technology ETF | 0.15% | — | Jul 2025 | MARS vs GXPT |
Best Risk-Adjusted Alternatives to MARS
Among 143 ETFs in the Technology Equities category with risk / return rank data, the top risk-adjusted alternatives shown here go as high as 96.
| Symbol | Name | Risk / Return Rank | AUM | Inception | |
|---|---|---|---|---|---|
| Xtrackers Semiconductor Select Equity ETF | 96 | 115.48M | Jul 2023 | MARS vs CHPS | |
| First Trust Nasdaq Semiconductor ETF | 96 | 2.89B | Sep 2016 | MARS vs FTXL | |
| VistaShares Artificial Intelligence Supercycle ETF | 96 | 574.75M | Dec 2024 | MARS vs AIS | |
| Invesco Semiconductors ETF | 96 | 2.92B | Jun 2005 | MARS vs PSI | |
| iShares Semiconductor ETF | 95 | 46.67B | Jul 2001 | MARS vs SOXX |
Top Performing MARS Alternatives (YTD)
Among 168 ETFs in the Technology Equities category with YTD return data, the top-performing alternatives shown here go as high as 184.91%.
| Symbol | Name | YTD Return | AUM | Inception | |
|---|---|---|---|---|---|
| STMicroelectronics NV ADRhedged | 184.91% | 7.89M | Mar 2025 | MARS vs STHH | |
| Invesco Semiconductors ETF | 114.01% | 2.92B | Jun 2005 | MARS vs PSI | |
| Direxion Daily Semiconductors Top 5 Bull 2X Shares | 113.86% | 17.13M | Sep 2025 | MARS vs TSXU | |
| VistaShares Artificial Intelligence Supercycle ETF | 112.52% | 574.75M | Dec 2024 | MARS vs AIS | |
| First Trust Nasdaq Semiconductor ETF | 109.64% | 2.89B | Sep 2016 | MARS vs FTXL |
Lowest Volatility Alternatives to MARS
MARS has 67.92% 1-year volatility. There are 162 ETFs in the Technology Equities category with lower 1-year volatility, going as low as 13.57%.
| Symbol | Name | Volatility 1Y | AUM | Inception | |
|---|---|---|---|---|---|
| Xtrackers US National Critical Technologies ETF | 13.57% | 128.06M | Nov 2023 | MARS vs CRTC | |
| Clockwise Core Equity & Innovation ETF | 13.99% | 19.49M | Jan 2022 | MARS vs TIME | |
| Global X AgTech & Food Innovation ETF | 16.17% | 9.03M | Jul 2021 | MARS vs KROP | |
| Goldman Sachs ETF Trust Goldman Sachs Innovate Equ... | 16.55% | 205.59M | Nov 2020 | MARS vs GINN | |
| iShares Future Exponential Technologies ETF | 17.30% | 3.95B | Mar 2015 | MARS vs XT |
Lowest Drawdown Alternatives to MARS
Among 143 ETFs in the Technology Equities category with 1-year drawdown data, the lowest-drawdown alternatives shown here go as shallow as -9.02%.
| Symbol | Name | Max Drawdown 1Y | AUM | Inception | |
|---|---|---|---|---|---|
| iShares U.S. Digital Infrastructure and Real Estat... | -9.02% | 452.26M | Jul 2001 | MARS vs IDGT | |
| Xtrackers US National Critical Technologies ETF | -9.05% | 128.06M | Nov 2023 | MARS vs CRTC | |
| Gabelli Global Technology Leaders ETF | -9.20% | 7.50M | Jan 2022 | MARS vs GGTL | |
| ProShares S&P Technology Dividend Aristocrats ETF | -9.55% | 285.24M | Nov 2019 | MARS vs TDV | |
| iShares Future Exponential Technologies ETF | -10.45% | 3.95B | Mar 2015 | MARS vs XT |
Other ETFs from Roundhill
The 10 most viewed Roundhill ETFs shown here include MAGS, QDTE, CHAT and span 7 categories. AUM among these funds goes as high as $16B.
| Symbol | Name | Category | Risk / Return Rank | YTD Return | AUM | Inception | |
|---|---|---|---|---|---|---|---|
| Roundhill Magnificent Seven ETF | Technology Equities, Large Cap Growth Equities | 24 | -4.97% | 3.78B | Apr 2023 | MARS vs MAGS | |
| Roundhill Innovation-100 0DTE Covered Call Strateg... | Derivative Income, Options Trading | 64 | 12.21% | 864.88M | Mar 2024 | MARS vs QDTE | |
| Roundhill Generative AI & Technology ETF | Technology Equities | 89 | 62.42% | 2.01B | May 2023 | MARS vs CHAT | |
| Roundhill S&P 500 0DTE Covered Call Strategy ETF | Derivative Income, S&P 500 | 62 | 6.79% | 317.35M | Mar 2024 | MARS vs XDTE | |
| Roundhill Bitcoin Covered Call Strategy ETF | Cryptocurrency | 1 | -29.52% | 128.93M | Jan 2024 | MARS vs YBTC | |
| Roundhill Daily 2X Long Magnificent Seven ETF | Leveraged Equities | 17 | -15.34% | 65.45M | Feb 2024 | MARS vs MAGX | |
| Roundhill Memory ETF | Technology Equities | — | — | 15.51B | Apr 2026 | MARS vs DRAM | |
| PLTR WeeklyPay™ ETF | Derivative Income | 5 | -44.14% | 127.22M | Feb 2025 | MARS vs PLTW | |
| Roundhill Magnificent Seven Covered Call ETF | Derivative Income | 11 | -8.23% | 147.97M | Apr 2025 | MARS vs MAGY | |
| Roundhill NVDA WeeklyPay ETF | Derivative Income | 26 | 5.09% | 123.06M | Feb 2025 | MARS vs NVDW |
Often Compared With MARS
Investors most often compare MARS with UFO, WARP, NASA. These 20 comparison targets span 13 categories, based on PortfoliosLab usage data.
Compare MARS with Any Fund or Stock
Compare MARS with any ETF, mutual fund, or stock using PortfoliosLab's comparison tool.
Pair MARS with funds that move differently
Roundhill Space & Technology ETF alternatives help with substitution. Diversifiers are the next step when you want funds with lower historical correlation to MARS.
Explore MARS Diversifiers