SPY vs VOO: which stock is the better buy?
State Street SPDR S&P 500 ETF and Vanguard S&P 500 ETF, graded by the same fixed-weight model from live fundamentals — composite score, 12-month forecast, valuation, growth and margins, side by side. As of July 6, 2026.
On today’s numbers, Vanguard S&P 500 ETF grades higher — 53/100 vs 52/100. Tap either card for the full factor breakdown.
Metric by metric
| Metric | SPY | VOO |
|---|---|---|
| TradersQuant Score | 52/100 | 53/100 ✓ |
| Price | $744.78 | $684.84 |
| 12-mo base forecast | $845.22 | $782.42 |
| Implied upside | +13.5% | +14.2% ✓ |
| Bull / bear range | $997.34 / $735.40 | $924.86 / $682.98 |
| P/E | — | — |
| Forward P/E | — | — |
| Revenue growth (YoY) | — | — |
| Gross margin | — | — |
| Market cap | $776.6B | $1.70T |
| Sector | Financial Services | Financial Services |
✓ marks the stronger reading per metric (lower is better for P/E). Figures refresh continuously; research, not financial advice.
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SPY vs VOO — FAQ (2026)
Is SPY or VOO the better buy right now?
On the live TradersQuant composite score, Vanguard S&P 500 ETF (VOO) currently grades higher at 53/100 versus 52/100 for SPY. The score weighs valuation, growth, earnings quality, momentum, the macro regime, sentiment and balance-sheet risk — open each stock's page for the full breakdown. Research, not financial advice.
Which has more 12-month upside, SPY or VOO?
TradersQuant's 12-month base-case forecast currently implies +13.5% for SPY and +14.2% for VOO. Both forecasts are three-scenario models (bull/base/bear) refreshed continuously and graded on our public track record.
How is this SPY vs VOO comparison calculated?
Both stocks are scored by the same fixed-weight model — 20% valuation, 20% growth, 15% earnings quality, 15% momentum, 10% macro regime fit, 10% analyst sentiment, 10% balance-sheet risk — from live fundamentals and prices. No hand-picking: the same arithmetic runs on every stock we cover, and our systematic calls are graded in public against the S&P 500.