CTRI vs SSM: Correlation
How closely do Centuri Holdings, Inc. (CTRI) and Sono Group N.V. (SSM) trade together? Their weekly returns over three years give a correlation of -0.26, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CTRI and SSM?
Over the past 3 years, CTRI and SSM moved with a correlation of -0.26, which is negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (0.06) runs above the 3-year figure (-0.26). Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is -6439.4 %².
SSM is close to the least connected end of CTRI's tracked universe, ranking #11 of 14. Correlation aside, the last 12 months split them widely, with CTRI ahead by 54.0 points (+3.5% versus -50.5%). Risk is not evenly split, since SSM carries 25.0 times the volatility of the other side.
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.
CTRI vs SSM: side by side
| CTRI (Centuri Holdings, Inc.) | SSM (Sono Group N.V.) | |
|---|---|---|
| 1-year return | +3.5% | -50.5% |
| 5-year return | n/a | -99.9% |
| Volatility (ann.) | 48.1% | 1204.8% |
| Beta vs S&P 500 | 0.97 | 0.56 |
| Max drawdown (3Y) | -50.3% | -99.4% |
| Market cap | $2.1B | – |
| P/E (trailing) | 64.0 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CTRI | SSM |
|---|---|---|
| 2022 | – | -89.8% |
| 2023 | – | -93.9% |
| 2024 | – | -16.7% |
| 2025 | +30.8% | +86.7% |
| 2026 | -16.4% | -61.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CTRI and SSM good diversifiers for each other?
Yes. With a correlation of -0.26, CTRI and SSM have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between CTRI and SSM?
As of 2026-08-27, the correlation of weekly returns between CTRI and SSM is -0.26 over 3 years, 0.06 over 1 year and n/a over 5 years.
Is SSM a good diversifier for CTRI?
Yes. With a correlation of -0.26, CTRI and SSM have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.26 mean?
On the −1 to +1 scale, -0.26 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/ctri-vs-ssm.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/ctri-vs-ssm/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CTRI correlations · SSM correlations