ANNA vs CTM: Correlation
How closely do AleAnna, Inc. (ANNA) and Castellum, Inc. (CTM) 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 ANNA and CTM?
On 3 years of weekly data the ANNA/CTM correlation comes out at -0.26, negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.35 over 1 year against -0.26 over 3. The 5-year figure is -0.25, and annualized covariance runs at -3512.1 %².
Among the 103 assets we track against ANNA, CTM ranks #89 by 3-year correlation. On 12-month performance ANNA holds a 6.1-point edge, -34.3% against -40.4%. One caveat on sizing: CTM is 1.7 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 CTM: side by side
| ANNA (AleAnna, Inc.) | CTM (Castellum, Inc.) | |
|---|---|---|
| 1-year return | -34.3% | -40.4% |
| 5-year return | -71.7% | n/a |
| Volatility (ann.) | 88.7% | 150.3% |
| Beta vs S&P 500 | -0.92 | 1.19 |
| Max drawdown (3Y) | -86.3% | -79.1% |
| Market cap | $0.1B | $0.1B |
| P/E (trailing) | 14.7 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ANNA | CTM |
|---|---|---|
| 2023 | +7.3% | -76.3% |
| 2024 | -37.6% | +571.1% |
| 2025 | -57.6% | -54.9% |
| 2026 | -3.0% | -32.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ANNA and CTM good diversifiers for each other?
Yes. With a correlation of -0.26, ANNA and CTM have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between ANNA and CTM?
The ANNA/CTM correlation stands at -0.26 on a 3-year window (1 year: -0.35, 5 years: -0.25), computed from weekly returns as of 2026-08-27.
Is CTM a good diversifier for ANNA?
Yes. With a correlation of -0.26, ANNA and CTM have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.26 mean?
A reading of -0.26 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/anna-vs-ctm.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/anna-vs-ctm/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ANNA correlations · CTM correlations
