KEYS vs VTI: Correlation
Measured on weekly returns over the past three years, Keysight Technologies (KEYS) and Vanguard Total Stock Market ETF (VTI) carry a correlation of 0.64, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are KEYS and VTI?
On 3 years of weekly data the KEYS/VTI correlation comes out at 0.64, strong. The link has loosened recently: the 1-year correlation (0.48) runs below the 3-year figure (0.64). The 5-year figure is 0.65, and annualized covariance runs at 345.9 %².
Within KEYS's tracked universe of 43 assets, VTI comes in at #8 by 3-year correlation. The last year tells two different stories: KEYS led by 76.7 percentage points, +97.4% for KEYS against +20.7% for VTI. On a rolling one-year basis the correlation drifted between 0.45 and 0.81, a moderate band. Risk is not evenly split, since KEYS carries 2.5 times the volatility of the other side.
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.
KEYS vs VTI: side by side
| KEYS (Keysight Technologies) | VTI (Vanguard Total Stock Market ETF) | |
|---|---|---|
| 1-year return | +97.4% | +20.7% |
| 5-year return | +81.9% | +74.8% |
| Volatility (ann.) | 36.8% | 14.6% |
| Beta vs S&P 500 | 1.58 | 1.01 |
| Max drawdown (3Y) | -31.4% | -19.3% |
| Market cap | $55.5B | – |
| P/E (trailing) | 43.5 | – |
| Dividend yield | 0.00% | 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 | KEYS | VTI |
|---|---|---|
| 2022 | -17.2% | -19.5% |
| 2023 | -7.0% | +26.0% |
| 2024 | +1.0% | +23.8% |
| 2025 | +26.5% | +17.1% |
| 2026 | +60.4% | +14.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Fund exposure
KEYS represents 0.08% of VTI's portfolio, so part of any move in VTI is KEYS itself, and the correlation between them is partly mechanical.
Are KEYS and VTI good diversifiers for each other?
To a limited degree. At 0.64 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between KEYS and VTI?
Using weekly returns as of 2026-08-27: 0.64 over 3 years, with 0.48 over the last year and 0.65 over 5 years.
Is VTI a good diversifier for KEYS?
To a limited degree. At 0.64 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.64 mean?
On the −1 to +1 scale, 0.64 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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/keys-vs-vti.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/keys-vs-vti/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: KEYS correlations · VTI correlations
