ANNA vs ECBK: Correlation
Measured on weekly returns over the past three years, AleAnna, Inc. (ANNA) and ECB Bancorp, Inc. (ECBK) carry a correlation of -0.24, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ANNA and ECBK?
Over the past 3 years, ANNA and ECBK moved with a correlation of -0.24, which is negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.39 versus -0.24 over 3 years. Over 5 years the correlation is -0.20, and the annualized covariance of weekly returns is -493.3 %².
Among the 103 assets we track against ANNA, ECBK ranks #79 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months ECBK outperformed by 55.2 percentage points (-34.3% for ANNA against +20.9% for ECBK). One caveat on sizing: ANNA is 3.8 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.
ANNA vs ECBK: side by side
| ANNA (AleAnna, Inc.) | ECBK (ECB Bancorp, Inc.) | |
|---|---|---|
| 1-year return | -34.3% | +20.9% |
| 5-year return | -71.7% | n/a |
| Volatility (ann.) | 88.7% | 23.4% |
| Beta vs S&P 500 | -0.92 | 0.45 |
| Max drawdown (3Y) | -86.3% | -19.7% |
| Market cap | $0.1B | $0.2B |
| P/E (trailing) | 14.7 | 14.8 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ANNA | ECBK |
|---|---|---|
| 2023 | +7.3% | -21.7% |
| 2024 | -37.6% | +18.2% |
| 2025 | -57.6% | +17.2% |
| 2026 | -3.0% | +19.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ANNA and ECBK good diversifiers for each other?
By historical standards, yes. A correlation of -0.24 means the two rarely move for the same reasons.
FAQ
What is the correlation between ANNA and ECBK?
The ANNA/ECBK correlation stands at -0.24 on a 3-year window (1 year: -0.39, 5 years: -0.20), computed from weekly returns as of 2026-08-27.
Is ECBK a good diversifier for ANNA?
By historical standards, yes. A correlation of -0.24 means the two rarely move for the same reasons.
What does a correlation of -0.24 mean?
On the −1 to +1 scale, -0.24 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/anna-vs-ecbk.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/anna-vs-ecbk/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: ANNA correlations · ECBK correlations
