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 137 ETFs in the Technology Equities category with lower expense ratios, going as low as 0.08%.
| Symbol | Name | Expense Ratio | AUM | Inception | |
|---|---|---|---|---|---|
| State Street Technology Select Sector SPDR ETF | 0.08% | 121.66B | Dec 1998 | MARS vs XLK | |
| Fidelity MSCI Information Technology Index ETF | 0.08% | 17.89B | Oct 2013 | MARS vs FTEC | |
| Vanguard Information Technology ETF | 0.09% | 144.20B | Mar 2004 | MARS vs VGT | |
| Vanguard Communication Services ETF | 0.10% | 6.30B | Sep 2004 | MARS vs VOX | |
| Vaneck Technology Trusector ETF | 0.13% | 172.62M | Aug 2025 | MARS vs TRUT |
Best Risk-Adjusted Alternatives to MARS
Among 140 ETFs in the Technology Equities category with risk / return rank data, the top risk-adjusted alternatives shown here go as high as 97.
| Symbol | Name | Risk / Return Rank | AUM | Inception | |
|---|---|---|---|---|---|
| First Trust Nasdaq Semiconductor ETF | 97 | 2.52B | Sep 2016 | MARS vs FTXL | |
| Xtrackers Semiconductor Select Equity ETF | 97 | 89.58M | Jul 2023 | MARS vs CHPS | |
| VistaShares Artificial Intelligence Supercycle ETF | 97 | 574.75M | Dec 2024 | MARS vs AIS | |
| iShares Semiconductor ETF | 96 | 38.37B | Jul 2001 | MARS vs SOXX | |
| Invesco Semiconductors ETF | 96 | 2.64B | Jun 2005 | MARS vs PSI |
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 203.43%.
| Symbol | Name | YTD Return | AUM | Inception | |
|---|---|---|---|---|---|
| STMicroelectronics NV ADRhedged | 203.43% | 817.60K | Mar 2025 | MARS vs STHH | |
| Direxion Daily Semiconductors Top 5 Bull 2X Shares | 126.91% | 10.05M | Sep 2025 | MARS vs TSXU | |
| Direxion Daily Technology Bull 3X Shares | 115.57% | 5.93B | Dec 2008 | MARS vs TECL | |
| VistaShares Artificial Intelligence Supercycle ETF | 112.47% | 574.75M | Dec 2024 | MARS vs AIS | |
| First Trust Nasdaq Semiconductor ETF | 110.86% | 2.52B | Sep 2016 | MARS vs FTXL |
Lowest Volatility Alternatives to MARS
MARS has 62.61% 1-year volatility. There are 164 ETFs in the Technology Equities category with lower 1-year volatility, going as low as 12.77%.
| Symbol | Name | Volatility 1Y | AUM | Inception | |
|---|---|---|---|---|---|
| Xtrackers US National Critical Technologies ETF | 12.77% | 129.97M | Nov 2023 | MARS vs CRTC | |
| Clockwise Core Equity & Innovation ETF | 13.25% | 19.49M | Jan 2022 | MARS vs TIME | |
| Vanguard Communication Services ETF | 15.47% | 6.30B | Sep 2004 | MARS vs VOX | |
| iShares Future Exponential Technologies ETF | 15.98% | 4.07B | Mar 2015 | MARS vs XT | |
| Global X AgTech & Food Innovation ETF | 16.04% | 9.17M | Jul 2021 | MARS vs KROP |
Lowest Drawdown Alternatives to MARS
Among 141 ETFs in the Technology Equities category with 1-year drawdown data, the lowest-drawdown alternatives shown here go as shallow as -8.45%.
| Symbol | Name | Max Drawdown 1Y | AUM | Inception | |
|---|---|---|---|---|---|
| iShares U.S. Digital Infrastructure and Real Estat... | -8.45% | 450.77M | Jul 2001 | MARS vs IDGT | |
| Xtrackers US National Critical Technologies ETF | -9.05% | 129.97M | Nov 2023 | MARS vs CRTC | |
| ProShares S&P Technology Dividend Aristocrats ETF | -9.55% | 289.74M | Nov 2019 | MARS vs TDV | |
| Invesco Next Gen Connectivity ETF | -9.99% | 163.96M | Jun 2005 | MARS vs KNCT | |
| First Trust IndXX NextG ETF | -10.28% | 589.27M | Feb 2011 | MARS vs NXTG |
Other ETFs from Roundhill
The 10 most viewed Roundhill ETFs shown here include MAGS, QDTE, XDTE and span 7 categories. AUM among these funds goes as high as $14B.
Often Compared With MARS
Investors most often compare MARS with WARP, UFO, ROKT. These 20 comparison targets span 11 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