SPDR S&P 500 ETF Trust logo
Vanguard S&P 500 ETF logo
SPYVSVOO• Last 6 Months (Normalized)

SPY vs VOO (SPDR S&P 500 ETF Trust vs Vanguard S&P 500 ETF)

Normalized cumulative comparison anchored at 0.00% baseline to illustrate pure alpha, return divergence, and market momentum.

SPY Performance $770.19
+13.55%
SPDR S&P 500 ETF Trust
Normalized Baseline0.00%
VOO Performance $708.01
+13.5%
Vanguard S&P 500 ETF
Normalized Baseline0.00%
Alpha Spread Margin SPY LEADS
+0.05%
SPY outperforming by 0.05%
SPYVOO
Spread TrajectoryLast 6 Months (Normalized)

Cumulative Performance Trajectory

Interactive divergence comparison normalized at 0.00% on start date.

SPY VOO

Comparative Historical Ledger

Daily closing prices, normalized percentages, and relative spread divergence.

Historical Quotes & Breakdown(126 dates)
DateSPY PriceSPY Gain (%)VOO PriceVOO Gain (%)Spread
Mar 09, 2026$678.27+0.00% $623.80+0.00% +0.00%
Mar 10, 2026$677.18-0.16% $622.72-0.17% +0.01%
Mar 11, 2026$676.33-0.29% $622.03-0.28% -0.01%
Mar 12, 2026$666.06-1.80% $612.50-1.81% +0.01%
Mar 13, 2026$662.29-2.36% $609.09-2.36% +0.00%
Mar 16, 2026$669.03-1.36% $615.19-1.38% +0.02%
Mar 17, 2026$670.79-1.10% $616.89-1.11% +0.01%
Mar 18, 2026$661.43-2.48% $608.38-2.47% -0.01%
Mar 19, 2026$659.80-2.72% $606.75-2.73% +0.01%
Mar 20, 2026$648.57-4.38% $597.94-4.15% -0.23%
Mar 23, 2026$655.38-3.37% $604.43-3.11% -0.26%
Mar 24, 2026$653.18-3.70% $602.38-3.43% -0.27%
Mar 25, 2026$656.82-3.16% $605.66-2.91% -0.25%
Mar 26, 2026$645.09-4.89% $594.92-4.63% -0.26%
Mar 27, 2026$634.09-6.51% $582.96-6.55% +0.04%
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