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MARS vs COSW

Roundhill Space & Technology ETF vs Roundhill COST WeeklyPay ETF

MARS

Roundhill Space & Technology ETF

Roundhill Investments

Annual cost

0.75%

Fund size

$29M

COSW

Roundhill COST WeeklyPay ETF

Roundhill Investments

Annual cost

0.99%

Fund size

$13M

Key differences

  • MARS costs 0.24% less per year.
  • MARS is classified as equity, while COSW is alternative — different risk/return profiles.
  • MARS follows a active selection strategy; COSW uses long short.

Side-by-side comparison

MARSCOSW
Annual cost (TER)0.75%0.99%
Fund size (AUM)$29M$13M
Since20262025
Dividend yield
Asset classequityalternative
Regionnorth americanorth america
Strategyactive selectionlong short
CAGR 1YN/AN/A
CAGR 3YN/AN/A
CAGR 5YN/AN/A
Sharpe 3YN/AN/A
Volatility 1Y
Max drawdown-13.96%-12.18%

Green dot indicates the better value for that metric. Performance data is historical and does not predict future results.

Similar to MARS and COSW