ADTN vs SBSI: Correlation
Measured on weekly returns over the past three years, ADTRAN Holdings, Inc. (ADTN) and Southside Bancshares, Inc. (SBSI) carry a correlation of 0.54, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ADTN and SBSI?
On 3 years of weekly data the ADTN/SBSI correlation comes out at 0.54, moderate. The past 12 months show a weaker link (0.29) than the 3-year average (0.54). The 5-year figure is 0.37, and annualized covariance runs at 743.1 %².
Few assets follow ADTN as closely as SBSI, which ranks #3 of 12 tracked partners. The last year tells two different stories: SBSI led by 23.0 percentage points, -16.6% for ADTN against +6.4% for SBSI. One caveat on sizing: ADTN is 2.3 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
ADTN vs SBSI: side by side
| ADTN (ADTRAN Holdings, Inc.) | SBSI (Southside Bancshares, Inc.) | |
|---|---|---|
| 1-year return | -16.6% | +6.4% |
| 5-year return | -60.1% | +7.0% |
| Volatility (ann.) | 56.4% | 24.6% |
| Beta vs S&P 500 | 1.55 | 0.59 |
| Max drawdown (3Y) | -61.3% | -27.3% |
| Market cap | $0.6B | $1.0B |
| P/E (trailing) | – | 12.6 |
| Dividend yield | 0.00% | 4.49% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ADTN | SBSI |
|---|---|---|
| 2022 | -16.3% | -10.8% |
| 2023 | -59.9% | -8.9% |
| 2024 | +13.5% | +6.3% |
| 2025 | +4.3% | +0.5% |
| 2026 | -10.4% | +8.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ADTN and SBSI good diversifiers for each other?
To a limited degree. At 0.54 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between ADTN and SBSI?
Using weekly returns as of 2026-08-27: 0.54 over 3 years, with 0.29 over the last year and 0.37 over 5 years.
Is SBSI a good diversifier for ADTN?
To a limited degree. At 0.54 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.54 mean?
A reading of 0.54 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/adtn-vs-sbsi.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/adtn-vs-sbsi/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: ADTN correlations · SBSI correlations
