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Sep 9, 2010 – Nov 12, 2026, VOO sets the start date

Final balanceCAGRMax drawdownSharpe ratio
SPY
SPY$90,881+14.62%−33.72%0.89
VOO
VOO$91,947+14.70%−33.99%0.90

SPY and VOO move closely together. $10,000 invested in each in Sep 2010 ended $1,066 apart.

Growth of $10,000

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Key metrics

ReturnSPYVOO
Final balance$90,881$91,947
Total return+808.81%+819.47%
CAGR+14.62%+14.70%
Calendar yearsSPYVOO
Best year+32.31%+32.39%
Worst year−18.18%−18.17%
Positive years13 of 1513 of 15
RiskSPYVOO
Max drawdown−33.72%−33.99%
Longest drawdown1.9 years1.9 years
Volatility (daily, annualized)16.92%16.97%
Risk-adjustedSPYVOO
Sharpe ratio0.890.90
Sortino ratio1.261.26
Calmar ratio0.430.43

Trailing returns

PeriodSPYVOOSPY − VOO
YTD+11.89%+11.94%−0.05%
1Y+11.99%+12.07%−0.08%
3Y+21.23%+21.32%−0.09%
5Y+11.62%+11.69%−0.07%
10Y+15.14%+15.22%−0.07%
15Y+14.64%+14.72%−0.08%

Rolling returns

PeriodSPY medianVOO medianMore often ahead
1Y+16.01%+16.09%VOO 91%
3Y+13.52%+13.60%VOO 99%
5Y+13.60%+13.68%VOO >99%
10Y+13.51%+13.59%VOO >99%

Worst drawdowns

DeclinePeakBottomRecoveredLength
−33.7%Feb 2020Mar 2020Aug 20206 months
−24.5%Jan 2022Oct 2022Dec 20231.9 years
−19.3%Sep 2018Dec 2018Apr 20197 months
−18.8%Feb 2025Apr 2025Jun 20254 months
−18.6%Apr 2011Oct 2011Feb 20129 months

Annual returns

YearSPYVOOSPY − VOO
2017+21.71%+21.77%−0.07%
2018−4.57%−4.50%−0.07%
2019+31.22%+31.37%−0.14%
2020+18.33%+18.32%+0.01%
2021+28.73%+28.79%−0.07%
2022−18.18%−18.17%0.00%
2023+26.18%+26.32%−0.15%
2024+24.89%+24.98%−0.09%
2025+17.72%+17.82%−0.10%
2026to Nov 12+11.89%+11.94%−0.05%

Holdings overlap

As of Jun 30, 2026

SPY100.0% in VOOVOO99.7% in SPY

503 holdings in common, of 503 in SPY and 504 in VOO

Largest holdings in common
Largest in commonSPYVOOOverlap
NVDANVIDIA Corporation7.52%7.51%7.51%
AAPLApple Inc.6.59%6.59%6.59%
MSFTMicrosoft Corporation4.30%4.30%4.30%
AMZNAmazon.com, Inc.3.62%3.62%3.62%
GOOGLAlphabet Inc.3.25%3.25%3.25%
AVGOBroadcom Inc.2.77%2.77%2.77%
GOOGAlphabet Inc.2.59%2.59%2.59%
MUMicron Technology, Inc.2.02%2.02%2.02%
METAMeta Platforms, Inc.1.92%1.92%1.92%
TSLATesla, Inc.1.84%1.84%1.84%

About SPY vs VOO

Both track the S&P 500. SPY, launched in 1993, is a unit investment trust, so it holds its dividends as cash until it pays them out and can't lend out the stocks it holds. VOO, launched in 2010, is an ordinary fund that reinvests dividends as they arrive and lends out its stocks. The small gap between their returns comes mostly from their fees and that structure.

SPY returned 14.6% a year from Sep 2010 to Nov 2026, against 14.7% for VOO. Both fell furthest in 2020, SPY by 33.7% and VOO by 34.0%. VOO beat SPY in 14 of 15 full years and in nearly every rolling 10-year period.

Uses daily closing prices with dividends reinvested. Fund fees are included, but not taxes or trading costs. The comparison starts on Sep 9, 2010, when VOO's prices begin.