AIRJ vs PKOH: Correlation
Measured on weekly returns over the past three years, AirJoule Technologies Corporation (AIRJ) and Park-Ohio Holdings Corp. (PKOH) carry a correlation of 0.30, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AIRJ and PKOH?
Across a 3-year window, the weekly returns of AIRJ and PKOH correlate at 0.30, moderate. Little has changed lately, as the 1-year reading of 0.37 lands near the 3-year figure. Stretching to 5 years gives 0.20, with an annualized covariance of 886.3 %².
Few assets follow AIRJ as closely as PKOH, which ranks #3 of 13 tracked partners. Correlation aside, the last 12 months split them widely, with PKOH ahead by 147.6 points (-1.6% versus +146.0%). Risk is not evenly split, since AIRJ carries 1.5 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.
AIRJ vs PKOH: side by side
| AIRJ (AirJoule Technologies Corporation) | PKOH (Park-Ohio Holdings Corp.) | |
|---|---|---|
| 1-year return | -1.6% | +146.0% |
| 5-year return | -51.6% | +101.4% |
| Volatility (ann.) | 67.0% | 43.9% |
| Beta vs S&P 500 | 0.94 | 1.33 |
| Max drawdown (3Y) | -91.4% | -52.5% |
| Market cap | $0.4B | $0.7B |
| P/E (trailing) | – | 24.6 |
| Dividend yield | 0.00% | 1.09% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AIRJ | PKOH |
|---|---|---|
| 2022 | – | -40.3% |
| 2023 | +6.7% | +127.1% |
| 2024 | -25.8% | -0.8% |
| 2025 | -50.5% | -18.3% |
| 2026 | +21.6% | +129.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AIRJ and PKOH good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.30 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between AIRJ and PKOH?
The AIRJ/PKOH correlation stands at 0.30 on a 3-year window (1 year: 0.37, 5 years: 0.20), computed from weekly returns as of 2026-08-27.
Is PKOH a good diversifier for AIRJ?
Yes, to a useful degree: a correlation of 0.30 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.30 mean?
On the −1 to +1 scale, 0.30 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/airj-vs-pkoh.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/airj-vs-pkoh/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: AIRJ correlations · PKOH correlations
