PairBook
HomeBORR › BORR vs COR

BORR vs COR: Correlation

Measured on weekly returns over the past three years, Borr Drilling Limited (BORR) and Cencora (COR) carry a correlation of -0.23, a negative link.

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

Correlation (3Y)
-0.23
negative
Correlation (1Y)
-0.18
last 12 months
Correlation (5Y)
0.00
long-run
Ann. covariance
-292.3
%² · weekly, annualized

How correlated are BORR and COR?

Across a 3-year window, the weekly returns of BORR and COR correlate at -0.23, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.18 lands near the 3-year figure. Stretching to 5 years gives 0.00, with an annualized covariance of -292.3 %².

Among the 12 assets we track against BORR, COR sits near the bottom by co-movement, at rank #10. Their recent paths diverged sharply: over the last 12 months BORR outperformed by 43.5 percentage points (+54.9% for BORR against +11.4% for COR). Note the risk asymmetry: BORR runs 2.7 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.

BORR vs COR: side by side

BORR (Borr Drilling Limited)COR (Cencora)
1-year return+54.9%+11.4%
5-year return+246.5%+188.6%
Volatility (ann.)58.6%21.9%
Beta vs S&P 5001.050.08
Max drawdown (3Y)-77.1%-32.4%
Market cap$1.4B$61.3B
P/E (trailing)24.3
Dividend yield0.00%0.72%
Sector / categoryUS ListedHealth Care
Higher yield: COR 0.72% vs 0.00%Smaller drawdown: COR -32.4% vs -77.1%Higher 5y return: BORR +246.5% vs +188.6%
-20%0%+106%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. BORR · COR

Year-by-year returns

YearBORRCOR
2022+141.3%+26.3%
2023+48.1%+25.3%
2024-43.3%+10.4%
2025+4.2%+51.5%
2026+12.7%-4.3%

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

Are BORR and COR good diversifiers for each other?

Yes: at -0.23, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between BORR and COR?

The BORR/COR correlation stands at -0.23 on a 3-year window (1 year: -0.18, 5 years: 0.00), computed from weekly returns as of 2026-08-27.

Is COR a good diversifier for BORR?

Yes: at -0.23, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.23 mean?

On the −1 to +1 scale, -0.23 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.

Use this data

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/borr-vs-cor.json

BORR vs COR: 3-year weekly correlation -0.23BORR vs COR-0.23

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

[![BORR vs COR correlation](https://www.pairbook.io/api/v1/badge/borr-vs-cor.svg)](https://www.pairbook.io/pair/borr-vs-cor/)

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

Related comparisons

Hubs: BORR correlations · COR correlations