ATI vs JCI: Correlation
How closely do ATI Inc. (ATI) and Johnson Controls (JCI) trade together? Their weekly returns over three years give a correlation of 0.53, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ATI and JCI?
Over the past 3 years, ATI and JCI moved with a correlation of 0.53, which is moderate. Lately the two have drifted apart, with the 1-year correlation at 0.40 versus 0.53 over 3 years. Over 5 years the correlation is 0.42, and the annualized covariance of weekly returns is 650.5 %².
Within ATI's tracked universe of 12 assets, JCI comes in at #7 by 3-year correlation. The last year tells two different stories: ATI led by 148.6 percentage points, +179.5% for ATI against +30.9% for JCI. Note the risk asymmetry: ATI runs 1.5 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.
ATI vs JCI: side by side
| ATI (ATI Inc.) | JCI (Johnson Controls) | |
|---|---|---|
| 1-year return | +179.5% | +30.9% |
| 5-year return | +1095.8% | +108.2% |
| Volatility (ann.) | 43.3% | 28.1% |
| Beta vs S&P 500 | 1.59 | 0.98 |
| Max drawdown (3Y) | -38.0% | -21.1% |
| Market cap | $29.2B | $86.1B |
| P/E (trailing) | 62.5 | 40.1 |
| Dividend yield | 0.00% | 1.11% |
| Sector / category | US Listed | Industrials |
Year-by-year returns
| Year | ATI | JCI |
|---|---|---|
| 2022 | +87.4% | -19.3% |
| 2023 | +52.3% | -7.6% |
| 2024 | +21.0% | +39.8% |
| 2025 | +108.5% | +53.0% |
| 2026 | +86.9% | +19.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ATI and JCI good diversifiers for each other?
Somewhat, no more. With 0.53 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between ATI and JCI?
The ATI/JCI correlation stands at 0.53 on a 3-year window (1 year: 0.40, 5 years: 0.42), computed from weekly returns as of 2026-08-27.
Is JCI a good diversifier for ATI?
Somewhat, no more. With 0.53 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.53 mean?
On the −1 to +1 scale, 0.53 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/ati-vs-jci.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/ati-vs-jci/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ATI correlations · JCI correlations
