PairBook
HomeBAX › BAX vs ECL

BAX vs ECL: Correlation

How closely do Baxter International (BAX) and Ecolab (ECL) 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)
0.64
last 12 months
Correlation (5Y)
0.46
long-run
Ann. covariance
393.3
%² · weekly, annualized

How correlated are BAX and ECL?

Over the past 3 years, BAX and ECL moved with a correlation of 0.52, which is moderate. The past 12 months show a tighter link (0.64) than the 3-year average (0.52). Over 5 years the correlation is 0.46, and the annualized covariance of weekly returns is 393.3 %².

Among the 43 assets we track against BAX, ECL ranks #11 by 3-year correlation. Twelve-month performance is nearly a tie, at +6.6% for BAX and +3.1% for ECL. Across three years, the rolling one-year figure varied moderately, from 0.17 to 0.65. Note the risk asymmetry: BAX runs 2.0 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

+1.0+0.50-0.5-1.020232026-08-27
Rolling one-year correlation of weekly returns over the past three years.
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.

BAX vs ECL: side by side

BAX (Baxter International)ECL (Ecolab)
1-year return+6.6%+3.1%
5-year return-62.2%+34.0%
Volatility (ann.)38.4%19.5%
Beta vs S&P 5000.890.64
Max drawdown (3Y)-62.4%-20.1%
Market cap$13.4B$80.1B
P/E (trailing)39.1
Dividend yield0.75%0.98%
Sector / categoryHealth CareMaterials
Higher yield: ECL 0.98% vs 0.75%Smaller drawdown: ECL -20.1% vs -62.4%Higher 5y return: ECL +34.0% vs -62.2%
-34%0%+13%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. BAX · ECL

Year-by-year returns

YearBAXECL
2022-39.6%-37.1%
2023-21.9%+37.9%
2024-22.4%+19.3%
2025-33.3%+13.2%
2026+35.8%+9.5%

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

Are BAX and ECL good diversifiers for each other?

To a limited degree. At 0.52 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 BAX and ECL?

As of 2026-08-27, the correlation of weekly returns between BAX and ECL is 0.52 over 3 years, 0.64 over 1 year and 0.46 over 5 years.

Is ECL a good diversifier for BAX?

To a limited degree. At 0.52 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 0.52 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/bax-vs-ecl.json

BAX vs ECL: 3-year weekly correlation 0.52BAX vs ECL0.52

Markdown for the live badge, attribution link included:

[![BAX vs ECL correlation](https://www.pairbook.io/api/v1/badge/bax-vs-ecl.svg)](https://www.pairbook.io/pair/bax-vs-ecl/)

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

Related comparisons

Hubs: BAX correlations · ECL correlations