ACM vs MNDR: Correlation
How closely do AECOM (ACM) and Mobile-health Network Solutions - Class A (MNDR) 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 ACM and MNDR?
Over the past 3 years, ACM and MNDR moved with a correlation of -0.31, which is negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.46 versus -0.31 over 3 years. Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is -1562.7 %².
MNDR is close to the least connected end of ACM's tracked universe, ranking #12 of 16. Correlation aside, the last 12 months split them widely, with ACM ahead by 48.3 points (-46.6% versus -94.9%). Note the risk asymmetry: MNDR runs 5.6 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 MNDR: side by side
| ACM (AECOM) | MNDR (Mobile-health Network Solutions - Class A) | |
|---|---|---|
| 1-year return | -46.6% | -94.9% |
| 5-year return | +5.2% | n/a |
| Volatility (ann.) | 29.1% | 161.8% |
| Beta vs S&P 500 | 0.79 | -0.61 |
| 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 | MNDR |
|---|---|---|
| 2022 | +10.7% | – |
| 2023 | +9.8% | – |
| 2024 | +16.7% | – |
| 2025 | -9.9% | -93.0% |
| 2026 | -29.7% | -68.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ACM and MNDR good diversifiers for each other?
Yes. With a correlation of -0.31, ACM and MNDR have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between ACM and MNDR?
Using weekly returns as of 2026-08-27: -0.31 over 3 years, with -0.46 over the last year and n/a over 5 years.
Is MNDR a good diversifier for ACM?
Yes. With a correlation of -0.31, ACM and MNDR have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.31 mean?
A reading of -0.31 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/acm-vs-mndr.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/acm-vs-mndr/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ACM correlations · MNDR correlations
