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CTM vs INTZ: Correlation

How closely do Castellum, Inc. (CTM) and Intrusion Inc. (INTZ) trade together? Their weekly returns over three years give a correlation of 0.55, which is moderate.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.55
moderate
Correlation (1Y)
0.15
last 12 months
Correlation (5Y)
0.53
long-run
Ann. covariance
23369.3
%² · weekly, annualized

How correlated are CTM and INTZ?

On 3 years of weekly data the CTM/INTZ correlation comes out at 0.55, moderate. The link has loosened recently: the 1-year correlation (0.15) runs below the 3-year figure (0.55). The 5-year figure is 0.53, and annualized covariance runs at 23369.3 %².

In CTM's tracked universe of 10 assets, INTZ sits right near the top at #2. Their recent paths diverged sharply: over the last 12 months CTM outperformed by 15.6 percentage points (-40.4% for CTM against -56.0% for INTZ). Risk is not evenly split, since INTZ carries 1.9 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.

CTM vs INTZ: side by side

CTM (Castellum, Inc.)INTZ (Intrusion Inc.)
1-year return-40.4%-56.0%
5-year returnn/a-99.1%
Volatility (ann.)150.3%281.6%
Beta vs S&P 5001.192.38
Max drawdown (3Y)-79.1%-97.9%
Market cap$0.1B
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: CTM -79.1% vs -97.9%
-62%0%+17%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. CTM · INTZ

Year-by-year returns

YearCTMINTZ
2022-8.1%
2023-76.3%-92.1%
2024+571.1%-38.4%
2025-54.9%-62.7%
2026-32.7%-29.6%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are CTM and INTZ good diversifiers for each other?

Somewhat, no more. With 0.55 correlation, most large moves hit both names, and the diversification benefit stays modest.

FAQ

What is the correlation between CTM and INTZ?

Using weekly returns as of 2026-08-27: 0.55 over 3 years, with 0.15 over the last year and 0.53 over 5 years.

Is INTZ a good diversifier for CTM?

Somewhat, no more. With 0.55 correlation, most large moves hit both names, and the diversification benefit stays modest.

What does a correlation of 0.55 mean?

A reading of 0.55 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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/ctm-vs-intz.json

CTM vs INTZ: 3-year weekly correlation 0.55CTM vs INTZ0.55

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Related comparisons

Hubs: CTM correlations · INTZ correlations