NTAP vs VTI: Correlation
How closely do NetApp (NTAP) and Vanguard Total Stock Market ETF (VTI) trade together? Their weekly returns over three years give a correlation of 0.54, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NTAP and VTI?
Across a 3-year window, the weekly returns of NTAP and VTI correlate at 0.54, moderate. The link has loosened recently: the 1-year correlation (0.39) runs below the 3-year figure (0.54). Stretching to 5 years gives 0.56, with an annualized covariance of 297.1 %².
Among the 32 assets we track against NTAP, VTI ranks #11 by 3-year correlation. Correlation aside, the last 12 months split them widely, with NTAP ahead by 52.3 points (+73.0% versus +20.7%). On a rolling one-year basis the correlation drifted between 0.36 and 0.75, a moderate band. Note the risk asymmetry: NTAP runs 2.6 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.
NTAP vs VTI: side by side
| NTAP (NetApp) | VTI (Vanguard Total Stock Market ETF) | |
|---|---|---|
| 1-year return | +73.0% | +20.7% |
| 5-year return | +141.7% | +74.8% |
| Volatility (ann.) | 37.6% | 14.6% |
| Beta vs S&P 500 | 1.38 | 1.01 |
| Max drawdown (3Y) | -42.6% | -19.3% |
| Market cap | $37.4B | – |
| P/E (trailing) | 30.5 | – |
| Dividend yield | 1.07% | 1.06% |
| Expense ratio | – | 0.03% |
| Assets under management | – | $2,290.0B |
| Sector / category | Information Technology | ETF · US Large Cap |
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.
Year-by-year returns
| Year | NTAP | VTI |
|---|---|---|
| 2022 | -32.9% | -19.5% |
| 2023 | +51.1% | +26.0% |
| 2024 | +34.2% | +23.8% |
| 2025 | -5.9% | +17.1% |
| 2026 | +80.3% | +14.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NTAP and VTI good diversifiers for each other?
Somewhat, no more. With 0.54 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between NTAP and VTI?
The NTAP/VTI correlation stands at 0.54 on a 3-year window (1 year: 0.39, 5 years: 0.56), computed from weekly returns as of 2026-08-27.
Is VTI a good diversifier for NTAP?
Somewhat, no more. With 0.54 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.54 mean?
On the −1 to +1 scale, 0.54 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
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Hubs: NTAP correlations · VTI correlations