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BLKB vs GIB: Correlation

Measured on weekly returns over the past three years, Blackbaud, Inc. (BLKB) and CGI Inc. (GIB) carry a correlation of 0.53, a moderate link.

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

Correlation (3Y)
0.53
moderate
Correlation (1Y)
0.61
last 12 months
Correlation (5Y)
0.49
long-run
Ann. covariance
487.2
%² · weekly, annualized

How correlated are BLKB and GIB?

Over the past 3 years, BLKB and GIB moved with a correlation of 0.53, which is moderate. Little has changed lately, as the 1-year reading of 0.61 lands near the 3-year figure. Over 5 years the correlation is 0.49, and the annualized covariance of weekly returns is 487.2 %².

Within BLKB's tracked universe of 16 assets, GIB comes in at #6 by 3-year correlation. Neither side won the trailing year by much: -27.0% against -22.4%. One caveat on sizing: BLKB 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.

BLKB vs GIB: side by side

BLKB (Blackbaud, Inc.)GIB (CGI Inc.)
1-year return-27.0%-22.4%
5-year return-30.1%-16.0%
Volatility (ann.)39.2%23.3%
Beta vs S&P 5000.810.57
Max drawdown (3Y)-69.8%-49.6%
Market cap$2.2B$15.4B
P/E (trailing)14.712.6
Dividend yield0.00%0.90%
Sector / categoryUS ListedUS Listed
Lower P/E: GIB 12.6 vs 14.7Higher yield: GIB 0.90% vs 0.00%Smaller drawdown: GIB -49.6% vs -69.8%Higher 5y return: GIB -16.0% vs -30.1%
-59%0%+4%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). BLKB · GIB

Year-by-year returns

YearBLKBGIB
2022-25.5%-2.7%
2023+47.3%+24.5%
2024-14.7%+2.1%
2025-14.3%-15.3%
2026-23.3%-18.8%

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

Are BLKB and GIB good diversifiers for each other?

To a limited degree. At 0.53 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 BLKB and GIB?

Using weekly returns as of 2026-08-27: 0.53 over 3 years, with 0.61 over the last year and 0.49 over 5 years.

Is GIB a good diversifier for BLKB?

To a limited degree. At 0.53 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 0.53 mean?

A reading of 0.53 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/blkb-vs-gib.json

BLKB vs GIB: 3-year weekly correlation 0.53BLKB vs GIB0.53

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Related comparisons

Hubs: BLKB correlations · GIB correlations