

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)
| Date | SPY Price | SPY Gain (%) | VOO Price | VOO 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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