MARS vs. AIS

Last updated Jun 25, 2026

MARS (Roundhill Space & Technology ETF) and AIS (VistaShares Artificial Intelligence Supercycle ETF) are both Technology Equities funds. Both are actively managed. A 0.52 correlation means they provide meaningful diversification when combined. Both charge a 0.75% expense ratio.

Performance

MARS vs. AIS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Roundhill Space & Technology ETF (MARS) and VistaShares Artificial Intelligence Supercycle ETF (AIS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

MARS

• 1D: -4.74%
• 1M: -30.38%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

AIS

• 1D: -0.40%
• 1M: 12.41%
• YTD: 112.52%
• 6M: 111.68%
• 1Y: 190.94%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

MARS vs. AIS - Yearly Performance Comparison

	2026 (YTD)
MARS Roundhill Space & Technology ETF	12.68%
AIS VistaShares Artificial Intelligence Supercycle ETF	81.03%

Correlation

The correlation between MARS and AIS is 0.52, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (All Time) Calculated using the full available price history since Mar 5, 2026	0.52

Return for Risk

MARS vs. AIS — Risk / Return Rank

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

MARS

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

AIS

AIS Risk / Return Rank: 96
AIS Sharpe Ratio Rank: 98
AIS Sortino Ratio Rank: 94
AIS Omega Ratio Rank: 94
AIS Calmar Ratio Rank: 98
AIS Martin Ratio Rank: 97

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.

MARS vs. AIS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Roundhill Space & Technology ETF (MARS) and VistaShares Artificial Intelligence Supercycle ETF (AIS). 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	AIS	Difference
Sharpe ratio: Return per unit of total volatility	—	4.64	—
Sortino ratio: Return per unit of downside risk	—	4.32	—
Omega ratio: Gain probability vs. loss probability	—	1.62	—
Calmar ratio: Return relative to maximum drawdown	—	12.13	—
Martin ratio: Return relative to average drawdown	—	36.93	—

Drawdowns

MARS vs. AIS - Drawdown Comparison

The maximum MARS drawdown since its inception was -37.03%, which is greater than AIS's maximum drawdown of -32.78%. Use the drawdown chart below to compare losses from any high point for MARS and AIS.

Drawdown Indicators

	MARS	AIS	Difference
Max Drawdown Largest peak-to-trough decline	-37.03%	-32.78%	-4.25%
Max Drawdown (1Y) Largest decline over 1 year	—	-15.84%	—
Current Drawdown Current decline from peak	-37.03%	-9.21%	-27.82%
Average Drawdown Average peak-to-trough decline	-7.70%	-5.49%	-2.21%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	5.19%	—

Volatility

Volatility by Period

	MARS	AIS	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	23.81%	—
Volatility (6M) Calculated over the trailing 6-month period	—	36.23%	—
Volatility (1Y) Calculated over the trailing 1-year period	67.92%	41.62%	+26.30%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	67.92%	41.04%	+26.88%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	67.92%	41.04%	+26.88%

MARS vs. AIS - Expense Ratio Comparison

Both MARS and AIS have an expense ratio of 0.75%.

Dividends

MARS vs. AIS - Dividend Comparison

Neither MARS nor AIS has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both MARS and AIS in my portfolio?

MARS and AIS have a correlation of 0.52, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, MARS or AIS?

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, MARS or AIS?

MARS and AIS have the same expense ratio: 0.75% per year.

Which ETF pays a higher dividend yield, MARS or AIS?

MARS and AIS have nearly identical dividend yields, around 0.00%.

What is the main difference between MARS and AIS?

They also come from different issuers: Roundhill and VistaShares.