PairBook
HomeBYRN › BYRN vs GIB

BYRN vs GIB: Correlation

How closely do Byrna Technologies, Inc. (BYRN) and CGI Inc. (GIB) trade together? Their weekly returns over three years give a correlation of 0.36, which is moderate.

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

Correlation (3Y)
0.36
moderate
Correlation (1Y)
0.47
last 12 months
Correlation (5Y)
0.29
long-run
Ann. covariance
728.7
%² · weekly, annualized

How correlated are BYRN and GIB?

Across a 3-year window, the weekly returns of BYRN and GIB correlate at 0.36, moderate. The past 12 months show a tighter link (0.47) than the 3-year average (0.36). Stretching to 5 years gives 0.29, with an annualized covariance of 728.7 %².

GIB is one of the assets that tracks BYRN most closely: it ranks #3 out of the 10 assets we track against BYRN. Their recent paths diverged sharply: over the last 12 months GIB outperformed by 59.8 percentage points (-82.2% for BYRN against -22.4% for GIB). Note the risk asymmetry: BYRN runs 3.7 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.

BYRN vs GIB: side by side

BYRN (Byrna Technologies, Inc.)GIB (CGI Inc.)
1-year return-82.2%-22.4%
5-year return-87.6%-16.0%
Volatility (ann.)87.2%23.3%
Beta vs S&P 5001.400.57
Max drawdown (3Y)-90.7%-49.6%
Market cap$0.1B$15.4B
P/E (trailing)12.6
Dividend yield0.00%0.90%
Sector / categoryUS ListedUS Listed
Higher yield: GIB 0.90% vs 0.00%Smaller drawdown: GIB -49.6% vs -90.7%Higher 5y return: GIB -16.0% vs -87.6%
-83%0%+34%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). BYRN · GIB

Year-by-year returns

YearBYRNGIB
2022-41.3%-2.7%
2023-18.5%+24.5%
2024+350.9%+2.1%
2025-41.7%-15.3%
2026-78.6%-18.8%

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

Are BYRN and GIB good diversifiers for each other?

Reasonably. At 0.36, BYRN and GIB keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between BYRN and GIB?

Using weekly returns as of 2026-08-27: 0.36 over 3 years, with 0.47 over the last year and 0.29 over 5 years.

Is GIB a good diversifier for BYRN?

Reasonably. At 0.36, BYRN and GIB keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.36 mean?

A reading of 0.36 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/byrn-vs-gib.json

BYRN vs GIB: 3-year weekly correlation 0.36BYRN vs GIB0.36

Drop this badge in a README or notebook; it updates with the data:

[![BYRN vs GIB correlation](https://www.pairbook.io/api/v1/badge/byrn-vs-gib.svg)](https://www.pairbook.io/pair/byrn-vs-gib/)

Free with attribution; caching and terms are described in the API documentation.

Related comparisons

Hubs: BYRN correlations · GIB correlations