ACM vs YYAI: Correlation
AECOM (ACM) and AiRWA Inc. (YYAI) show a negative relationship: their 3-year correlation of weekly returns is -0.34.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACM and YYAI?
Over the past 3 years, ACM and YYAI moved with a correlation of -0.34, which is negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.41 lands near the 3-year figure. Over 5 years the correlation is -0.27, and the annualized covariance of weekly returns is -8389.5 %².
Among the 16 assets we track against ACM, YYAI sits near the bottom by co-movement, at rank #15. Correlation aside, the last 12 months split them widely, with ACM ahead by 53.4 points (-46.6% versus -100.0%). Note the risk asymmetry: YYAI runs 29.2 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 YYAI: side by side
| ACM (AECOM) | YYAI (AiRWA Inc.) | |
|---|---|---|
| 1-year return | -46.6% | -100.0% |
| 5-year return | +5.2% | -100.0% |
| Volatility (ann.) | 29.1% | 848.8% |
| Beta vs S&P 500 | 0.79 | -0.53 |
| Max drawdown (3Y) | -54.1% | -100.0% |
| Market cap | $8.5B | – |
| P/E (trailing) | 22.9 | – |
| Dividend yield | 1.83% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ACM | YYAI |
|---|---|---|
| 2022 | +10.7% | -98.6% |
| 2023 | +9.8% | -97.8% |
| 2024 | +16.7% | -69.5% |
| 2025 | -9.9% | -98.7% |
| 2026 | -29.7% | -96.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ACM and YYAI good diversifiers for each other?
Yes. With a correlation of -0.34, ACM and YYAI have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between ACM and YYAI?
As of 2026-08-27, the correlation of weekly returns between ACM and YYAI is -0.34 over 3 years, -0.41 over 1 year and -0.27 over 5 years.
Is YYAI a good diversifier for ACM?
Yes. With a correlation of -0.34, ACM and YYAI have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.34 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
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Related comparisons
Hubs: ACM correlations · YYAI correlations
