ATNI vs MG: Correlation
ATN International, Inc. (ATNI) and Mistras Group Inc (MG) show a moderate relationship: their 3-year correlation of weekly returns is 0.47.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ATNI and MG?
Over the past 3 years, ATNI and MG moved with a correlation of 0.47, which is moderate. Little has changed lately, as the 1-year reading of 0.52 lands near the 3-year figure. Over 5 years the correlation is 0.28, and the annualized covariance of weekly returns is 1084.2 %².
Few assets follow ATNI as closely as MG, which ranks #1 of 11 tracked partners. Their 12-month results are close: +95.4% for ATNI against +99.7% for MG.
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.
ATNI vs MG: side by side
| ATNI (ATN International, Inc.) | MG (Mistras Group Inc) | |
|---|---|---|
| 1-year return | +95.4% | +99.7% |
| 5-year return | -22.3% | +87.3% |
| Volatility (ann.) | 58.6% | 39.7% |
| Beta vs S&P 500 | 0.57 | 0.84 |
| Max drawdown (3Y) | -62.6% | -40.8% |
| Market cap | $0.5B | $0.6B |
| P/E (trailing) | 3.0 | 22.6 |
| Dividend yield | 3.64% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ATNI | MG |
|---|---|---|
| 2022 | +15.3% | -33.6% |
| 2023 | -11.9% | +48.5% |
| 2024 | -55.1% | +23.8% |
| 2025 | +43.8% | +39.6% |
| 2026 | +32.9% | +52.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ATNI and MG good diversifiers for each other?
Reasonably. At 0.47, ATNI and MG keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between ATNI and MG?
Using weekly returns as of 2026-08-27: 0.47 over 3 years, with 0.52 over the last year and 0.28 over 5 years.
Is MG a good diversifier for ATNI?
Reasonably. At 0.47, ATNI and MG keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.47 mean?
On the −1 to +1 scale, 0.47 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/atni-vs-mg.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/atni-vs-mg/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ATNI correlations · MG correlations
