Compare · 3 funds side by side · dividends reinvested

IDEF, ITA and VOO

Story of the three · Growth5Y$10,000 five years agoDividends reinvested · all three on one scale$21,274ITA · best of the three

02 / 04

IDEF, ITA and VOO, Ranked

Today

FundFeeYieldYTD1 year3 yrs · yr5 yrs · yrWorst dropVolatilityAssetsAvg rank

Vanguard S&P 500 ETFLow-Cost Core · S&P 5000.03%1.07%+11.5%+11.9%+24.1%+12.2%−8.9%12.7%$1.00T1.3

iShares U.S. Aerospace & Defense ETFThematic · Defense & space0.37%0.26%+0.9%+0.4%+27.2%+16.3%−20.0%23.3%$12.5B2.0

iShares Defense Industrials ActThematic · Defense & space0.55%0.35%−1.3%−5.9%[…][…]−18.9%23.3%$3.7B2.7

Rank among the three1st → 3rdFee, 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: IDEF 2025 · ITA 2006 · VOO 2010

Head to Head

Swap sides Versus in desk

Head to Head

iShares Defense Industrials Act · $3.7B[…]

IDEF

ITA

iShares U.S. Aerospace & Defense ETF · $12.5B$21,274

$10,000 five years ago, dividends reinvested · they hold 37.2% in common

IDEFMeasureITA

−1.3%Year to dateJan 1 → Nov 3+0.9%

−5.9%1 yearTotal return+0.4%

[…]3 years · per year$10,000 became […] · $20,582+27.2%

[…]5 years · per year$10,000 became […] · $21,275+16.3%

0.55%Expense ratio$55 · $37 a year on $10k · lower is better0.37%

0.35%Trailing 12-mo yield$35 · $26 a year on $10k0.26%

−18.9%Worst dropSmaller is better−20.0%

23.3%VolatilityLower is calmer23.3%

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

2–3ITA wins

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

More Ways to See the Pairs

IDEF vs ITA: Top 5 Holdings

Today

IDEF

24.6%in top 5

ITA

in top 554.8%

IDEFStockITA

not top 5GE20.0%

7.3%RTX17.2%

3.5%BA6.8%

5.4%LMT5.7%

4.0%NOC5.1%

4.4%GDnot top 5

Held in common37.2%

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

IDEF vs ITA Returns, Every Period

iSharesIDEF

−5.9%

past year

ITAiShares

+0.4%

past year

IDEFITAFaded: behind in that period

0–2ITA wins

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

Thematic vs Core: IDEF vs VOO

YTD

iSharesIDEF

−1.3%

VOOVanguard

+11.5%

−1.3%Year to date+11.5%

−18.9%Worst drop · 1Y−8.9%

23.3%Volatility · 1Y12.7%

0.3%Yield1.1%

$3.7BAssets$1.00T

4–0VOO wins

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

Cost, Income and Risk

Fees: IDEF, ITA, VOO

Today

0.03%lowest, VOO

FundExpense ratioFee$10k

VOO0.03%$3

ITA0.37%$37

IDEF0.55%$55

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

Yields: IDEF, ITA, VOO

1.07%highest, VOO

FundTrailing yieldYield$10k

VOO1.07%$107

IDEF0.35%$35

ITA0.26%$26

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

Income After Fees on $10,000

$104most kept, VOO

VOO$107 − $3 = $104

ITA$26 − $37 = −$11

IDEF$35 − $55 = −$20

KeptFee

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

Overlap: IDEF, ITA, VOO

Today

37.2%most shared, IDEF and ITA

IDEFITAVOO

IDEF—37.2%7.7%

ITA37.2%—1.9%

VOO7.7%1.9%—

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

Return vs Bumpiness: 3 ETFs

+11.9%VOO, at 12.7% volatility

VOOWorst drop−8.9%12.7% vol

ITAWorst drop−20.0%23.3% vol

IDEFWorst drop−18.9%23.3% vol

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

Paid More vs Made More

YTD

VOOITA

+11.5%Year to date+0.9%

1.1%Yield0.3%

+11.9%Past year+0.4%

0.03%Fee0.37%

4–0VOO wins

End-of-day Nov 3, 2026

Popular Pairs Near These Three

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

VOO vs IVV

YTD

VanguardVOO

+11.5%

IVViShares

+11.6%

+11.5%Year to date+11.6%

1.1%Yield1.1%

$1.00TAssets$872B

1–0IVV wins

End-of-day Nov 3, 2026

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