PairBook
HomeCF › CF vs IDXX

CF vs IDXX: Correlation

Measured on weekly returns over the past three years, CF Industries (CF) and Idexx Laboratories (IDXX) carry a correlation of -0.22, a negative link.

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

Correlation (3Y)
-0.22
negative
Correlation (1Y)
-0.48
last 12 months
Correlation (5Y)
-0.08
long-run
Ann. covariance
-226.0
%² · weekly, annualized

How correlated are CF and IDXX?

Across a 3-year window, the weekly returns of CF and IDXX correlate at -0.22, negative, meaning they tend to move in opposite directions. The past 12 months show a weaker link (-0.48) than the 3-year average (-0.22). Stretching to 5 years gives -0.08, with an annualized covariance of -226.0 %².

Among the 50 assets we track against CF, IDXX ranks #37 by 3-year correlation. Correlation aside, the last 12 months split them widely, with CF ahead by 63.5 points (+48.6% versus -14.9%). The relationship is regime-dependent: the rolling one-year correlation swung between -0.51 and 0.18 over the past three years, so this pair behaves very differently depending on the market environment.

+1.0+0.50-0.5-1.020232026-08-27
How the one-year correlation itself moved 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.

CF vs IDXX: side by side

CF (CF Industries)IDXX (Idexx Laboratories)
1-year return+48.6%-14.9%
5-year return+211.5%-20.7%
Volatility (ann.)32.8%30.9%
Beta vs S&P 500-0.201.01
Max drawdown (3Y)-29.2%-37.4%
Market cap$19.0B$42.9B
P/E (trailing)9.338.9
Dividend yield1.59%0.00%
Sector / categoryMaterialsHealth Care
Lower P/E: CF 9.3 vs 38.9Higher yield: CF 1.59% vs 0.00%Smaller drawdown: CF -29.2% vs -37.4%Higher 5y return: CF +211.5% vs -20.7%
-18%0%+63%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. CF · IDXX

Year-by-year returns

YearCFIDXX
2022+22.3%-38.0%
2023-4.7%+36.1%
2024+10.1%-25.5%
2025-7.2%+63.6%
2026+64.9%-19.4%

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

Are CF and IDXX good diversifiers for each other?

Yes: at -0.22, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between CF and IDXX?

As of 2026-08-27, the correlation of weekly returns between CF and IDXX is -0.22 over 3 years, -0.48 over 1 year and -0.08 over 5 years.

Is IDXX a good diversifier for CF?

Yes: at -0.22, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.22 mean?

A reading of -0.22 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/cf-vs-idxx.json

CF vs IDXX: 3-year weekly correlation -0.22CF vs IDXX-0.22

Embed this badge (it refreshes with the data), with attribution:

[![CF vs IDXX correlation](https://www.pairbook.io/api/v1/badge/cf-vs-idxx.svg)](https://www.pairbook.io/pair/cf-vs-idxx/)

The core API is free. Terms and every endpoint in the API documentation.

Related comparisons

Hubs: CF correlations · IDXX correlations