Compare · 2 funds side by side · dividends reinvested

MARS and IDEF

MARSRoundhill×IDEFiShares×

Versus in desk

Story of the two · Growth1Y$10,000 one year agoDividends reinvested · both on one scale$9,411IDEF · best of the two

02 / 03

MARS and IDEF, Ranked

Today

FundFeeYieldYTD1 year3 yrs · yr5 yrs · yrWorst dropVolatilityAssetsAvg rank

iShares Defense Industrials ActThematic · Defense & space0.55%0.35%−1.3%−5.9%[…][…]−18.9%23.3%$3.7B1.0

Roundhill ETF Trust - Roundhill Space & Technology ETFThematic · Defense & space0.75%0.00%[…][…][…][…][…][…]$39M2.0

Rank among the two1st → 2ndFee, drop and volatility: lower ranks higherAvg rank: mean of the 8 ranks · 1 is best

End-of-day Nov 3, 2026 · returns include dividends · since: MARS 2026 · IDEF 2025

Head to Head

Swap sides Versus in desk

Head to Head

Roundhill ETF Trust - Roundhill Space & Technology ETF · $39M[…]

MARS

IDEF

iShares Defense Industrials Act · $3.7B[…]

$10,000 five years ago, dividends reinvested · they hold 4.9% in common

MARSMeasureIDEF

[…]Year to dateJan 1 → Nov 3−1.3%

[…]1 yearTotal return−5.9%

[…]3 years · per year[…]

[…]5 years · per year[…]

0.75%Expense ratio$75 · $55 a year on $10k · lower is better0.55%

0.00%Trailing 12-mo yield$0 · $35 a year on $10k0.35%

[…]Worst dropSmaller is better−18.9%

[…]VolatilityLower is calmer23.3%

MARSIDEF Winner of the row, in its colourEach row: the bigger of the two fills its side

0–2IDEF wins

End-of-day Nov 3, 2026 · returns include dividends · 3Y and 5Y figures are per-year returns

More Ways to See the Pairs

MARS vs IDEF: Top 5 Holdings

Today

MARS

51.1%in top 5

IDEF

in top 524.6%

MARSStockIDEF

25.7%SPCXnot top 5

8.7%RKLBnot top 5

not top 5RTX7.3%

5.9%GSATnot top 5

5.7%VSATnot top 5

not top 5LMT5.4%

5.0%ASTSnot top 5

not top 5GD4.4%

not top 5NOC4.0%

not top 5BA3.5%

Held in common4.9%

End-of-day Nov 3, 2026 · share of each fund

MARS vs IDEF Returns, Every Period

RoundhillMARS

[…]

past year

IDEFiShares

−5.9%

past year

Returns […]

MARSIDEFFaded: behind in that period

0–0Level

End-of-day Nov 3, 2026 · dividends in · faded = behind in that period

MARS vs IDEF

YTD

RoundhillMARS

[…]

IDEFiShares

−1.3%

[…]Year to date−1.3%

[…]Worst drop · 1Y−18.9%

[…]Volatility · 1Y23.3%

0.0%Yield0.3%

$38.7MAssets$3.7B

1–0IDEF wins

End-of-day Nov 3, 2026 · smaller drop and lower volatility win

Cost, Income and Risk

Fees: MARS, IDEF

Today

0.55%lowest, IDEF

FundExpense ratioFee$10k

IDEF0.55%$55

MARS0.75%$75

End-of-day Nov 3, 2026 · fee on $10,000 a year

Yields: MARS, IDEF

0.35%highest, IDEF

FundTrailing yieldYield$10k

IDEF0.35%$35

MARS0.00%$0

End-of-day Nov 3, 2026 · trailing 12-month yield

Income After Fees on $10,000

−$20most kept, IDEF

IDEF$35 − $55 = −$20

MARS$0 − $75 = −$75

KeptFee

End-of-day Nov 3, 2026 · yield in dollars minus the fee

Overlap: MARS, IDEF

Today

4.9%most shared, MARS and IDEF

MARSIDEF

MARS—4.9%

IDEF4.9%—

End-of-day Nov 3, 2026 · share held in common · outlined: the pair in versus

Return vs Bumpiness: 2 ETFs

−5.9%IDEF, at 23.3% volatility

IDEFWorst drop−18.9%23.3% vol

MARSWorst drop[…][…]

End-of-day Nov 3, 2026 · up and left is better

Popular Pairs Near These Two

SCHD vs VIG

YTD

SchwabSCHD

+32.8%

VIGVanguard

+14.0%

+32.8%Year to date+14.0%

3.0%Yield1.5%

$121BAssets$109B

2–0SCHD wins

End-of-day Nov 3, 2026

JEPQ vs JEPI

YTD

J.P. MorganJEPQ

+7.5%

JEPIJ.P. Morgan

+7.0%

+7.5%Year to date+7.0%

12.3%Yield8.0%

$41.8BAssets$46.0B

2–0JEPQ wins

End-of-day Nov 3, 2026

SPYM vs SPY

YTD

SPDRSPYM

+11.5%

SPYSPDR

+11.5%

+11.5%Year to date+11.5%

1.0%Yield1.0%

$185BAssets$798B

0–0level

End-of-day Nov 3, 2026