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BCO vs IOSP: Correlation

How closely do Brinks Company (The) (BCO) and Innospec Inc. (IOSP) trade together? Their weekly returns over three years give a correlation of 0.52, which is moderate.

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

Correlation (3Y)
0.52
moderate
Correlation (1Y)
0.44
last 12 months
Correlation (5Y)
0.46
long-run
Ann. covariance
424.3
%² · weekly, annualized

How correlated are BCO and IOSP?

Across a 3-year window, the weekly returns of BCO and IOSP correlate at 0.52, moderate. Little has changed lately, as the 1-year reading of 0.44 lands near the 3-year figure. Stretching to 5 years gives 0.46, with an annualized covariance of 424.3 %².

Among the 12 assets we track against BCO, IOSP ranks #4 by 3-year correlation. Over the last 12 months IOSP came out ahead by 13.1 percentage points (-1.8% against +11.3%).

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.

BCO vs IOSP: side by side

BCO (Brinks Company (The))IOSP (Innospec Inc.)
1-year return-1.8%+11.3%
5-year return+48.9%+10.2%
Volatility (ann.)30.5%26.6%
Beta vs S&P 5000.850.94
Max drawdown (3Y)-31.9%-48.4%
Market cap$4.5B$2.3B
P/E (trailing)25.819.5
Dividend yield0.91%1.87%
Sector / categoryUS ListedUS Listed
Lower P/E: IOSP 19.5 vs 25.8Higher yield: IOSP 1.87% vs 0.91%Smaller drawdown: BCO -31.9% vs -48.4%Higher 5y return: BCO +48.9% vs +10.2%
-22%0%+15%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. BCO · IOSP

Year-by-year returns

YearBCOIOSP
2022-17.0%+15.2%
2023+65.9%+21.5%
2024+6.5%-9.6%
2025+27.2%-28.9%
2026-5.6%+26.0%

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

Are BCO and IOSP good diversifiers for each other?

Only partially. A correlation of 0.52 means BCO and IOSP share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

FAQ

What is the correlation between BCO and IOSP?

Using weekly returns as of 2026-08-27: 0.52 over 3 years, with 0.44 over the last year and 0.46 over 5 years.

Is IOSP a good diversifier for BCO?

Only partially. A correlation of 0.52 means BCO and IOSP share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.52 mean?

A reading of 0.52 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/bco-vs-iosp.json

BCO vs IOSP: 3-year weekly correlation 0.52BCO vs IOSP0.52

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Related comparisons

Hubs: BCO correlations · IOSP correlations