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BNC vs SLB: Correlation

How closely do CEA Industries Inc. (BNC) and Schlumberger (SLB) trade together? Their weekly returns over three years give a correlation of -0.16, which is negative.

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

Correlation (3Y)
-0.16
negative
Correlation (1Y)
-0.16
last 12 months
Correlation (5Y)
-0.04
long-run
Ann. covariance
-661.9
%² · weekly, annualized

How correlated are BNC and SLB?

Over the past 3 years, BNC and SLB moved with a correlation of -0.16, which is negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.16) sits close to the 3-year figure. Over 5 years the correlation is -0.04, and the annualized covariance of weekly returns is -661.9 %².

Among the 37 assets we track against BNC, SLB ranks #13 by 3-year correlation. The last year tells two different stories: SLB led by 143.2 percentage points, -86.1% for BNC against +57.1% for SLB. Note the risk asymmetry: BNC runs 3.4 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.

BNC vs SLB: side by side

BNC (CEA Industries Inc.)SLB (Schlumberger)
1-year return-86.1%+57.1%
5-year return-97.4%+117.1%
Volatility (ann.)120.4%35.1%
Beta vs S&P 500-0.470.57
Max drawdown (3Y)-96.5%-46.6%
Market cap$0.1B$81.6B
P/E (trailing)0.026.2
Dividend yield0.00%2.16%
Sector / categoryUS ListedEnergy
Lower P/E: BNC 0.0 vs 26.2Higher yield: SLB 2.16% vs 0.00%Smaller drawdown: SLB -46.6% vs -96.5%Higher 5y return: SLB +117.1% vs -97.4%
-90%0%+62%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. BNC · SLB

Year-by-year returns

YearBNCSLB
2022-82.5%+81.2%
2023-34.9%-0.8%
2024+23.7%-24.5%
2025-20.9%+3.3%
2026-53.1%+44.9%

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

Are BNC and SLB good diversifiers for each other?

Yes: at -0.16, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between BNC and SLB?

Using weekly returns as of 2026-08-27: -0.16 over 3 years, with -0.16 over the last year and -0.04 over 5 years.

Is SLB a good diversifier for BNC?

Yes: at -0.16, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.16 mean?

A reading of -0.16 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

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$ curl https://www.pairbook.io/api/v1/pairs/bnc-vs-slb.json

BNC vs SLB: 3-year weekly correlation -0.16BNC vs SLB-0.16

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Hubs: BNC correlations · SLB correlations