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INTZ vs STEM: Correlation

Measured on weekly returns over the past three years, Intrusion Inc. (INTZ) and Stem, Inc. (STEM) carry a correlation of 0.51, a moderate link.

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

Correlation (3Y)
0.51
moderate
Correlation (1Y)
0.41
last 12 months
Correlation (5Y)
0.46
long-run
Ann. covariance
18827.7
%² · weekly, annualized

How correlated are INTZ and STEM?

Across a 3-year window, the weekly returns of INTZ and STEM correlate at 0.51, moderate. The link has loosened recently: the 1-year correlation (0.41) runs below the 3-year figure (0.51). Stretching to 5 years gives 0.46, with an annualized covariance of 18827.7 %².

Among the 31 assets we track against INTZ, STEM ranks #18 by 3-year correlation. On 12-month performance INTZ holds a 8.9-point edge, -56.0% against -64.9%. Note the risk asymmetry: INTZ runs 2.2 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

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.

INTZ vs STEM: side by side

INTZ (Intrusion Inc.)STEM (Stem, Inc.)
1-year return-56.0%-64.9%
5-year return-99.1%-98.9%
Volatility (ann.)281.6%129.9%
Beta vs S&P 5002.382.49
Max drawdown (3Y)-97.9%-95.5%
Market cap$0.1B
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: STEM -95.5% vs -97.9%Higher 5y return: STEM -98.9% vs -99.1%
-62%0%+70%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. INTZ · STEM

Year-by-year returns

YearINTZSTEM
2022-8.1%-52.9%
2023-92.1%-56.6%
2024-38.4%-84.5%
2025-62.7%+24.8%
2026-29.6%-62.1%

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

Are INTZ and STEM good diversifiers for each other?

To a limited degree. At 0.51 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 INTZ and STEM?

The INTZ/STEM correlation stands at 0.51 on a 3-year window (1 year: 0.41, 5 years: 0.46), computed from weekly returns as of 2026-08-27.

Is STEM a good diversifier for INTZ?

To a limited degree. At 0.51 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 0.51 mean?

A reading of 0.51 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/intz-vs-stem.json

INTZ vs STEM: 3-year weekly correlation 0.51INTZ vs STEM0.51

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Related comparisons

Hubs: INTZ correlations · STEM correlations