Compare · 2 funds side by side · dividends reinvested

ARKX and IDEF

ARKXARK×IDEFiShares×
$55IDEF$75ARKX0.55%IDEF · $55 a year on $10kARKX · $75 a yearStory of the two · CostLowest cost
01 / 03

ARKX 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%$3.7B1.3
ARK Space & Defense Innovation ETFThematic · Defense & space0.75%0.00%+3.2%−4.6%+33.1%[…]−21.8%33.6%$737M1.6
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: ARKX 2021 · IDEF 2025
@TheETFTracker·theetftracker.com

Head to Head

5Y
ARK Space & Defense Innovation ETF · $737M[…]
ARKX
IDEF
iShares Defense Industrials Act · $3.7B[…]

$10,000 five years ago, dividends reinvested · they hold 13.3% in common

ARKXMeasureIDEF
+3.2%Year to dateJan 1 → Nov 3−1.3%
−4.6%1 yearTotal return−5.9%
+33.1%3 years · per year$10,000 became $23,588 · […][…]
[…]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%
−21.8%Worst dropSmaller is better−18.9%
33.6%VolatilityLower is calmer23.3%
ARKXIDEF Winner of the row, in its colourEach row: the bigger of the two fills its side
2–4IDEF wins
End-of-day Nov 3, 2026 · returns include dividends · 3Y and 5Y figures are per-year returns
@TheETFTracker·theetftracker.com

More Ways to See the Pairs

ARKX vs IDEF: Top 5 Holdings

Today
36.1%in top 5
IDEF
in top 524.6%
ARKXStockIDEF
10.6%SPCXnot top 5
7.8%LHXnot top 5
not top 5RTX7.3%
6.0%DEnot top 5
6.0%KTOSnot top 5
5.7%AVAVnot top 5
not top 5LMT5.4%
not top 5GD4.4%
not top 5NOC4.0%
not top 5BA3.5%
Held in common13.3%
End-of-day Nov 3, 2026 · share of each fund
@TheETFTracker·theetftracker.com

ARKX vs IDEF Returns, Every Period

1Y
ARKARKX
−4.6%
past year
IDEFiShares
−5.9%
past year
−10%−5%0%+5%+3.2%−1.3%YTD−4.6%−5.9%1 year
ARKXIDEFFaded: behind in that period
2–0ARKX wins
End-of-day Nov 3, 2026 · dividends in · faded = behind in that period
@TheETFTracker·theetftracker.com

ARKX vs IDEF

YTD
ARKARKX
+3.2%
IDEFiShares
−1.3%
Jan 1Nov 3+3.2%−1.3%
+3.2%Year to date−1.3%
−21.8%Worst drop · 1Y−18.9%
33.6%Volatility · 1Y23.3%
0.0%Yield0.3%
$737MAssets$3.7B
3–1IDEF wins
End-of-day Nov 3, 2026 · smaller drop and lower volatility win
@TheETFTracker·theetftracker.com

Cost, Income and Risk

Fees: ARKX, IDEF

Today
0.55%lowest, IDEF
FundExpense ratioFee$10k
IDEF0.55%$55
ARKX0.75%$75
End-of-day Nov 3, 2026 · fee on $10,000 a year
@TheETFTracker·theetftracker.com

Yields: ARKX, IDEF

1Y
0.35%highest, IDEF
FundTrailing yieldYield$10k
IDEF0.35%$35
ARKX0.00%$0
End-of-day Nov 3, 2026 · trailing 12-month yield
@TheETFTracker·theetftracker.com

Income After Fees on $10,000

1Y
−$20most kept, IDEF
IDEF$35 − $55 = −$20
ARKX$0 − $75 = −$75
KeptFee
End-of-day Nov 3, 2026 · yield in dollars minus the fee
@TheETFTracker·theetftracker.com

Overlap: ARKX, IDEF

Today
13.3%most shared, ARKX and IDEF
ARKXIDEF
ARKX—13.3%
IDEF13.3%—
End-of-day Nov 3, 2026 · share held in common · outlined: the pair in versus
@TheETFTracker·theetftracker.com

Return vs Bumpiness: 2 ETFs

1Y
−4.6%ARKX, at 33.6% volatility
−6%−4%−2%0%+2%10%20%30%40%Volatility · 1 year → bumpierARKX −4.6%IDEF −5.9%
IDEFWorst drop−18.9%23.3% vol
ARKXWorst drop−21.8%33.6% vol
End-of-day Nov 3, 2026 · up and left is better
@TheETFTracker·theetftracker.com

Paid More vs Made More

YTD
Jan 1Nov 3−1.3%+3.2%
−1.3%Year to date+3.2%
0.3%Yield0.0%
−5.9%Past year−4.6%
0.55%Fee0.75%
2–2level
End-of-day Nov 3, 2026
@TheETFTracker·theetftracker.com

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YTD
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VIGVanguard
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End-of-day Nov 3, 2026
@TheETFTracker·theetftracker.com

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End-of-day Nov 3, 2026
@TheETFTracker·theetftracker.com

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SPYSPDR
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End-of-day Nov 3, 2026
@TheETFTracker·theetftracker.com