GOOGL vs VOO: Correlation
Alphabet Inc. (Class A) (GOOGL) and Vanguard S&P 500 ETF (VOO) show a moderate relationship: their 3-year correlation of weekly returns is 0.56.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GOOGL and VOO?
Across a 3-year window, the weekly returns of GOOGL and VOO correlate at 0.56, moderate. Little has changed lately, as the 1-year reading of 0.58 lands near the 3-year figure. Stretching to 5 years gives 0.61, with an annualized covariance of 254.1 %².
Within GOOGL's tracked universe of 37 assets, VOO comes in at #11 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months GOOGL outperformed by 44.1 percentage points (+64.7% for GOOGL against +20.6% for VOO). The rolling one-year correlation stayed in a tight band between 0.42 and 0.66 over the past three years, which points to a structural rather than episodic relationship. Note the risk asymmetry: GOOGL runs 2.2 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
GOOGL vs VOO: side by side
| GOOGL (Alphabet Inc. (Class A)) | VOO (Vanguard S&P 500 ETF) | |
|---|---|---|
| 1-year return | +64.7% | +20.6% |
| 5-year return | +137.7% | +83.0% |
| Volatility (ann.) | 31.4% | 14.4% |
| Beta vs S&P 500 | 1.22 | 0.99 |
| Max drawdown (3Y) | -29.8% | -18.7% |
| Market cap | $4,166.1B | – |
| P/E (trailing) | 17.2 | – |
| Dividend yield | 0.25% | 1.07% |
| Expense ratio | – | 0.03% |
| Assets under management | – | $1,686.9B |
| Sector / category | Communication Services | ETF · US Large Cap |
VOO, Vanguard's Large Blend fund, carries $1,686.9B under management, 503 holdings, a 0.03% expense ratio, a 1.07% trailing dividend yield.
Year-by-year returns
| Year | GOOGL | VOO |
|---|---|---|
| 2022 | -39.1% | -18.2% |
| 2023 | +58.3% | +26.3% |
| 2024 | +36.0% | +25.0% |
| 2025 | +66.0% | +17.8% |
| 2026 | +9.0% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Fund exposure
GOOGL represents 3.25% of VOO's portfolio, so part of any move in VOO is GOOGL itself, and the correlation between them is partly mechanical.
Are GOOGL and VOO good diversifiers for each other?
Somewhat, no more. With 0.56 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between GOOGL and VOO?
As of 2026-08-27, the correlation of weekly returns between GOOGL and VOO is 0.56 over 3 years, 0.58 over 1 year and 0.61 over 5 years.
Is VOO a good diversifier for GOOGL?
Somewhat, no more. With 0.56 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.56 mean?
A reading of 0.56 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: GOOGL correlations · VOO correlations
