VOO vs VTI: Correlation & Overlap
Measured on weekly returns over the past three years, Vanguard S&P 500 ETF (VOO) and Vanguard Total Stock Market ETF (VTI) carry a correlation of 1.00, a very strong link. By holdings, the two funds overlap 88.8% by weight.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are VOO and VTI?
Across a 3-year window, the weekly returns of VOO and VTI correlate at 1.00, very strong, meaning they move nearly in lockstep. Recent behaviour matches the longer record: 1.00 over 1 year against 1.00 over 3. Stretching to 5 years gives 1.00, with an annualized covariance of 209.4 %².
Few assets follow VOO as closely as VTI, which ranks #3 of 124 tracked partners. Twelve-month performance is nearly a tie, at +20.6% for VOO and +20.7% for VTI. The link looks structural: the rolling one-year correlation barely moved, holding between 0.99 and 1.00.
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.
VOO vs VTI: side by side
| VOO (Vanguard S&P 500 ETF) | VTI (Vanguard Total Stock Market ETF) | |
|---|---|---|
| 1-year return | +20.6% | +20.7% |
| 5-year return | +83.0% | +74.8% |
| Volatility (ann.) | 14.4% | 14.6% |
| Beta vs S&P 500 | 0.99 | 1.01 |
| Max drawdown (3Y) | -18.7% | -19.3% |
| Dividend yield | 1.07% | 1.06% |
| Expense ratio | 0.03% | 0.03% |
| Assets under management | $1,686.9B | $2,290.0B |
| Sector / category | ETF · US Large Cap | ETF · US Large Cap |
On the fund side, VOO sits in the Large Blend category at Vanguard, with $1,686.9B under management, 503 holdings, a 0.03% expense ratio, a 1.07% trailing dividend yield. VTI, Vanguard's Large Blend fund, carries $2,290.0B under management, 3140 holdings, a 0.03% expense ratio, a 1.06% trailing dividend yield.
Portfolio overlap between VOO and VTI
The two portfolios are near-duplicates. Weighing the shared positions, 88.8% of the two funds is identical, spread across 501 common holdings. That shared book is a large part of why the returns line up.
| Common holding | Weight in VOO | Weight in VTI |
|---|---|---|
| NVDA | 7.56% | 6.42% |
| AAPL | 7.05% | 6.31% |
| MSFT | 5.37% | 4.80% |
| AMZN | 4.13% | 3.66% |
| GOOGL | 3.25% | 2.91% |
| AVGO | 2.87% | 2.56% |
| GOOG | 2.62% | 2.32% |
| META | 1.90% | 1.70% |
| LLY | 1.41% | 1.36% |
| JPM | 1.47% | 1.31% |
| MU | 1.44% | 1.29% |
| BRK.B | 1.46% | 1.28% |
| TSLA | 1.36% | 1.22% |
| AMD | 1.21% | 1.08% |
| XOM | 1.00% | 0.90% |
Largest positions held only by VOO: NXPI (0.09%), AMCR (0.03%). Only by VTI: SNOW (0.13%), NET (0.12%), SPCX (0.09%), BE (0.08%), LNG (0.08%).
Overlap = sum of the smaller of the two weights across common holdings, from issuer disclosures as of 2026-07-31. Top 15 common positions shown.
Year-by-year returns
| Year | VOO | VTI |
|---|---|---|
| 2022 | -18.2% | -19.5% |
| 2023 | +26.3% | +26.0% |
| 2024 | +25.0% | +23.8% |
| 2025 | +17.8% | +17.1% |
| 2026 | +13.7% | +14.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are VOO and VTI good diversifiers for each other?
Not really. At 1.00, the two trade almost as one position, and owning both buys little extra protection. On top of that, 88.8% of their holdings are the same, making the doubling-up even more literal.
FAQ
What is the correlation between VOO and VTI?
As of 2026-08-27, the correlation of weekly returns between VOO and VTI is 1.00 over 3 years, 1.00 over 1 year and 1.00 over 5 years.
Is VTI a good diversifier for VOO?
Not really. At 1.00, the two trade almost as one position, and owning both buys little extra protection. On top of that, 88.8% of their holdings are the same, making the doubling-up even more literal.
How much do VOO and VTI overlap?
The two funds share 501 holdings amounting to 88.8% of weight, per issuer portfolio files dated 2026-07-31.
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Hubs: VOO correlations · VTI correlations
