PairBook
HomeBKR › BKR vs OII

BKR vs OII: Correlation

How closely do Baker Hughes (BKR) and Oceaneering International, Inc. (OII) trade together? Their weekly returns over three years give a correlation of 0.64, which is strong.

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

Correlation (3Y)
0.64
strong
Correlation (1Y)
0.43
last 12 months
Correlation (5Y)
0.66
long-run
Ann. covariance
890.4
%² · weekly, annualized

How correlated are BKR and OII?

Over the past 3 years, BKR and OII moved with a correlation of 0.64, which is strong. Lately the two have drifted apart, with the 1-year correlation at 0.43 versus 0.64 over 3 years. Over 5 years the correlation is 0.66, and the annualized covariance of weekly returns is 890.4 %².

Among the 30 assets we track against BKR, OII ranks #11 by 3-year correlation. The last year tells two different stories: OII led by 69.0 percentage points, +40.9% for BKR against +109.9% for OII.

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.

BKR vs OII: side by side

BKR (Baker Hughes)OII (Oceaneering International, Inc.)
1-year return+40.9%+109.9%
5-year return+205.5%+316.7%
Volatility (ann.)32.2%43.5%
Beta vs S&P 5000.610.81
Max drawdown (3Y)-28.0%-47.8%
Market cap$61.7B$5.1B
P/E (trailing)19.914.8
Dividend yield1.48%0.00%
Sector / categoryEnergyUS Listed
Lower P/E: OII 14.8 vs 19.9Higher yield: BKR 1.48% vs 0.00%Smaller drawdown: BKR -28.0% vs -47.8%Higher 5y return: OII +316.7% vs +205.5%
-8%0%+120%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). BKR · OII

Year-by-year returns

YearBKROII
2022+26.0%+54.6%
2023+18.6%+21.7%
2024+23.1%+22.6%
2025+13.4%-7.9%
2026+37.9%+113.1%

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

Are BKR and OII good diversifiers for each other?

Only partially. A correlation of 0.64 means BKR and OII 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 BKR and OII?

Using weekly returns as of 2026-08-27: 0.64 over 3 years, with 0.43 over the last year and 0.66 over 5 years.

Is OII a good diversifier for BKR?

Only partially. A correlation of 0.64 means BKR and OII share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.64 mean?

A reading of 0.64 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/bkr-vs-oii.json

BKR vs OII: 3-year weekly correlation 0.64BKR vs OII0.64

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

[![BKR vs OII correlation](https://www.pairbook.io/api/v1/badge/bkr-vs-oii.svg)](https://www.pairbook.io/pair/bkr-vs-oii/)

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

Related comparisons

Hubs: BKR correlations · OII correlations