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NOV vs SLB: Correlation

Measured on weekly returns over the past three years, NOV Inc. (NOV) and Schlumberger (SLB) carry a correlation of 0.84, a very strong link.

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

Correlation (3Y)
0.84
very strong
Correlation (1Y)
0.84
last 12 months
Correlation (5Y)
0.84
long-run
Ann. covariance
1046.7
%² · weekly, annualized

How correlated are NOV and SLB?

Across a 3-year window, the weekly returns of NOV and SLB correlate at 0.84, very strong, meaning they move nearly in lockstep. Little has changed lately, as the 1-year reading of 0.84 lands near the 3-year figure. Stretching to 5 years gives 0.84, with an annualized covariance of 1046.7 %².

Few assets follow NOV as closely as SLB, which ranks #1 of 27 tracked partners. The trailing year gives NOV the advantage: +62.2% versus +57.1%, a 5.1-point spread.

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.

NOV vs SLB: side by side

NOV (NOV Inc.)SLB (Schlumberger)
1-year return+62.2%+57.1%
5-year return+71.8%+117.1%
Volatility (ann.)35.6%35.1%
Beta vs S&P 5000.610.57
Max drawdown (3Y)-47.2%-46.6%
Market cap$7.4B$81.6B
P/E (trailing)74.126.2
Dividend yield1.63%2.16%
Sector / categoryUS ListedEnergy
Lower P/E: SLB 26.2 vs 74.1Higher yield: SLB 2.16% vs 1.63%Smaller drawdown: SLB -46.6% vs -47.2%Higher 5y return: SLB +117.1% vs +71.8%
-11%0%+62%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. NOV · SLB

Year-by-year returns

YearNOVSLB
2022+55.7%+81.2%
2023-1.8%-0.8%
2024-26.8%-24.5%
2025+11.3%+3.3%
2026+34.6%+44.9%

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

Are NOV and SLB good diversifiers for each other?

No: a correlation of 0.84 means NOV and SLB tend to fall together, which is precisely when diversification is supposed to help.

FAQ

What is the correlation between NOV and SLB?

The NOV/SLB correlation stands at 0.84 on a 3-year window (1 year: 0.84, 5 years: 0.84), computed from weekly returns as of 2026-08-27.

Is SLB a good diversifier for NOV?

No: a correlation of 0.84 means NOV and SLB tend to fall together, which is precisely when diversification is supposed to help.

What does a correlation of 0.84 mean?

A reading of 0.84 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/nov-vs-slb.json

NOV vs SLB: 3-year weekly correlation 0.84NOV vs SLB0.84

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Related comparisons

Hubs: NOV correlations · SLB correlations