ACM vs TG: Correlation
How closely do AECOM (ACM) and Tredegar Corporation (TG) trade together? Their weekly returns over three years give a correlation of 0.46, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACM and TG?
Across a 3-year window, the weekly returns of ACM and TG correlate at 0.46, moderate. Recent behaviour matches the longer record: 0.49 over 1 year against 0.46 over 3. Stretching to 5 years gives 0.41, with an annualized covariance of 638.3 %².
Among the 16 assets we track against ACM, TG ranks #5 by 3-year correlation. The last year tells two different stories: TG led by 46.1 percentage points, -46.6% for ACM against -0.5% for TG. Note the risk asymmetry: TG runs 1.6 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.
ACM vs TG: side by side
| ACM (AECOM) | TG (Tredegar Corporation) | |
|---|---|---|
| 1-year return | -46.6% | -0.5% |
| 5-year return | +5.2% | -35.5% |
| Volatility (ann.) | 29.1% | 47.3% |
| Beta vs S&P 500 | 0.79 | 1.03 |
| Max drawdown (3Y) | -54.1% | -33.4% |
| Market cap | $8.5B | $0.3B |
| P/E (trailing) | 22.9 | 8.2 |
| Dividend yield | 1.83% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ACM | TG |
|---|---|---|
| 2022 | +10.7% | -9.6% |
| 2023 | +9.8% | -45.2% |
| 2024 | +16.7% | +42.0% |
| 2025 | -9.9% | -6.5% |
| 2026 | -29.7% | +6.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ACM and TG good diversifiers for each other?
Reasonably. At 0.46, ACM and TG keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between ACM and TG?
Using weekly returns as of 2026-08-27: 0.46 over 3 years, with 0.49 over the last year and 0.41 over 5 years.
Is TG a good diversifier for ACM?
Reasonably. At 0.46, ACM and TG keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.46 mean?
On the −1 to +1 scale, 0.46 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.
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Related comparisons
Hubs: ACM correlations · TG correlations
