APH vs JBL: Correlation
How closely do Amphenol (APH) and Jabil (JBL) trade together? Their weekly returns over three years give a correlation of 0.55, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are APH and JBL?
Over the past 3 years, APH and JBL moved with a correlation of 0.55, which is moderate. Little has changed lately, as the 1-year reading of 0.51 lands near the 3-year figure. Over 5 years the correlation is 0.58, and the annualized covariance of weekly returns is 751.1 %².
Within APH's tracked universe of 38 assets, JBL comes in at #22 by 3-year correlation. Twelve-month performance is nearly a tie, at +47.5% for APH and +50.4% for JBL. On a rolling one-year basis the correlation drifted between 0.41 and 0.75, a moderate band.
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.
APH vs JBL: side by side
| APH (Amphenol) | JBL (Jabil) | |
|---|---|---|
| 1-year return | +47.5% | +50.4% |
| 5-year return | +338.9% | +405.5% |
| Volatility (ann.) | 33.6% | 40.6% |
| Beta vs S&P 500 | 1.57 | 1.47 |
| Max drawdown (3Y) | -28.2% | -36.8% |
| Market cap | $199.0B | $32.7B |
| P/E (trailing) | 40.3 | 38.9 |
| Dividend yield | 0.57% | 0.10% |
| Sector / category | Information Technology | Information Technology |
Year-by-year returns
| Year | APH | JBL |
|---|---|---|
| 2022 | -12.0% | -2.5% |
| 2023 | +31.5% | +87.4% |
| 2024 | +41.3% | +13.3% |
| 2025 | +96.1% | +58.7% |
| 2026 | +19.8% | +37.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are APH and JBL good diversifiers for each other?
Only partially. A correlation of 0.55 means APH and JBL share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between APH and JBL?
The APH/JBL correlation stands at 0.55 on a 3-year window (1 year: 0.51, 5 years: 0.58), computed from weekly returns as of 2026-08-27.
Is JBL a good diversifier for APH?
Only partially. A correlation of 0.55 means APH and JBL share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.55 mean?
A reading of 0.55 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/aph-vs-jbl.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/aph-vs-jbl/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: APH correlations · JBL correlations
