AIRJ vs TRSG: Correlation
How closely do AirJoule Technologies Corporation (AIRJ) and Tungray Technologies Inc - Class A (TRSG) trade together? Their weekly returns over three years give a correlation of -0.31, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AIRJ and TRSG?
Over the past 3 years, AIRJ and TRSG moved with a correlation of -0.31, which is negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (-0.09) than the 3-year average (-0.31). Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is -2102.3 %².
Among the 13 assets we track against AIRJ, TRSG sits near the bottom by co-movement, at rank #13. The trailing year gives AIRJ the advantage: -1.6% versus -7.8%, a 6.2-point spread.
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 TRSG: side by side
| AIRJ (AirJoule Technologies Corporation) | TRSG (Tungray Technologies Inc - Class A) | |
|---|---|---|
| 1-year return | -1.6% | -7.8% |
| 5-year return | -51.6% | n/a |
| Volatility (ann.) | 67.0% | 92.3% |
| Beta vs S&P 500 | 0.94 | 0.67 |
| Max drawdown (3Y) | -91.4% | -86.3% |
| Market cap | $0.4B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AIRJ | TRSG |
|---|---|---|
| 2023 | +6.7% | – |
| 2024 | -25.8% | – |
| 2025 | -50.5% | -49.2% |
| 2026 | +21.6% | +36.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AIRJ and TRSG good diversifiers for each other?
Yes. With a correlation of -0.31, AIRJ and TRSG have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between AIRJ and TRSG?
Using weekly returns as of 2026-08-27: -0.31 over 3 years, with -0.09 over the last year and n/a over 5 years.
Is TRSG a good diversifier for AIRJ?
Yes. With a correlation of -0.31, AIRJ and TRSG have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.31 mean?
On the −1 to +1 scale, -0.31 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-trsg.json
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Related comparisons
Hubs: AIRJ correlations · TRSG correlations