KEYS vs STX: Correlation
How closely do Keysight Technologies (KEYS) and Seagate Technology (STX) 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 KEYS and STX?
Across a 3-year window, the weekly returns of KEYS and STX correlate at 0.54, moderate. Little has changed lately, as the 1-year reading of 0.49 lands near the 3-year figure. Stretching to 5 years gives 0.53, with an annualized covariance of 1022.9 %².
Within KEYS's tracked universe of 43 assets, STX comes in at #23 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months STX outperformed by 313.4 percentage points (+97.4% for KEYS against +410.8% for STX). Across three years, the rolling one-year figure varied moderately, from 0.39 to 0.68.
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 STX: side by side
| KEYS (Keysight Technologies) | STX (Seagate Technology) | |
|---|---|---|
| 1-year return | +97.4% | +410.8% |
| 5-year return | +81.9% | +1032.5% |
| Volatility (ann.) | 36.8% | 51.3% |
| Beta vs S&P 500 | 1.58 | 1.97 |
| Max drawdown (3Y) | -31.4% | -40.0% |
| Market cap | $55.5B | $192.0B |
| P/E (trailing) | 43.5 | 61.0 |
| Dividend yield | 0.00% | 0.35% |
| Sector / category | Information Technology | Information Technology |
Year-by-year returns
| Year | KEYS | STX |
|---|---|---|
| 2022 | -17.2% | -51.4% |
| 2023 | -7.0% | +69.1% |
| 2024 | +1.0% | +4.1% |
| 2025 | +26.5% | +225.3% |
| 2026 | +60.4% | +208.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are KEYS and STX 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 KEYS and STX?
Using weekly returns as of 2026-08-27: 0.54 over 3 years, with 0.49 over the last year and 0.53 over 5 years.
Is STX a good diversifier for KEYS?
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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/keys-vs-stx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/keys-vs-stx/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: KEYS correlations · STX correlations
