ACM vs HERZ: Correlation
AECOM (ACM) and Herzfeld Credit Income Fund, Inc. - Closed End Fund (HERZ) show a negative relationship: their 3-year correlation of weekly returns is -0.32.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACM and HERZ?
Over the past 3 years, ACM and HERZ moved with a correlation of -0.32, which is negative, meaning they tend to move in opposite directions. The past 12 months show a weaker link (-0.51) than the 3-year average (-0.32). Over 5 years the correlation is -0.07, and the annualized covariance of weekly returns is -325.0 %².
HERZ is close to the least connected end of ACM's tracked universe, ranking #13 of 16. Correlation aside, the last 12 months split them widely, with HERZ ahead by 68.6 points (-46.6% versus +22.0%).
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 HERZ: side by side
| ACM (AECOM) | HERZ (Herzfeld Credit Income Fund, Inc. - Closed End Fund) | |
|---|---|---|
| 1-year return | -46.6% | +22.0% |
| 5-year return | +5.2% | +1.5% |
| Volatility (ann.) | 29.1% | 35.4% |
| Beta vs S&P 500 | 0.79 | 0.10 |
| Max drawdown (3Y) | -54.1% | -41.6% |
| Market cap | $8.5B | – |
| P/E (trailing) | 22.9 | 80.0 |
| Dividend yield | 1.83% | 57.89% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ACM | HERZ |
|---|---|---|
| 2022 | +10.7% | -20.4% |
| 2023 | +9.8% | -13.6% |
| 2024 | +16.7% | +2.9% |
| 2025 | -9.9% | +89.3% |
| 2026 | -29.7% | -24.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ACM and HERZ good diversifiers for each other?
Yes: at -0.32, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between ACM and HERZ?
As of 2026-08-27, the correlation of weekly returns between ACM and HERZ is -0.32 over 3 years, -0.51 over 1 year and -0.07 over 5 years.
Is HERZ a good diversifier for ACM?
Yes: at -0.32, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.32 mean?
On the −1 to +1 scale, -0.32 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/acm-vs-herz.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/acm-vs-herz/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ACM correlations · HERZ correlations
