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NOV vs XLE: Correlation

Measured on weekly returns over the past three years, NOV Inc. (NOV) and Energy Select Sector SPDR Fund (XLE) carry a correlation of 0.73, a strong link.

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

Correlation (3Y)
0.73
strong
Correlation (1Y)
0.62
last 12 months
Correlation (5Y)
0.78
long-run
Ann. covariance
601.5
%² · weekly, annualized

How correlated are NOV and XLE?

On 3 years of weekly data the NOV/XLE correlation comes out at 0.73, strong. The link has loosened recently: the 1-year correlation (0.62) runs below the 3-year figure (0.73). The 5-year figure is 0.78, and annualized covariance runs at 601.5 %².

By 3-year correlation, XLE places #6 of the 27 assets tracked against NOV. Their recent paths diverged sharply: over the last 12 months NOV outperformed by 18.2 percentage points (+62.2% for NOV against +44.0% for XLE). One caveat on sizing: NOV is 1.5 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.

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 XLE: side by side

NOV (NOV Inc.)XLE (Energy Select Sector SPDR Fund)
1-year return+62.2%+44.0%
5-year return+71.8%+206.7%
Volatility (ann.)35.6%23.1%
Beta vs S&P 5000.610.27
Max drawdown (3Y)-47.2%-20.1%
Market cap$7.4B
P/E (trailing)74.1
Dividend yield1.63%2.55%
Expense ratio0.08%
Assets under management$39.2B
Sector / categoryUS ListedSector ETF
Higher yield: XLE 2.55% vs 1.63%Smaller drawdown: XLE -20.1% vs -47.2%Higher 5y return: XLE +206.7% vs +71.8%

XLE is an Equity Energy fund from State Street Investment Management: $39.2B under management, 22 holdings, a 0.08% expense ratio, a 2.55% trailing dividend yield.

-7%0%+62%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. NOV · XLE

Year-by-year returns

YearNOVXLE
2022+55.7%+64.3%
2023-1.8%-0.6%
2024-26.8%+5.6%
2025+11.3%+7.9%
2026+34.6%+41.2%

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

Are NOV and XLE good diversifiers for each other?

To a limited degree. At 0.73 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

FAQ

What is the correlation between NOV and XLE?

Using weekly returns as of 2026-08-27: 0.73 over 3 years, with 0.62 over the last year and 0.78 over 5 years.

Is XLE a good diversifier for NOV?

To a limited degree. At 0.73 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

What does a correlation of 0.73 mean?

On the −1 to +1 scale, 0.73 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.

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NOV vs XLE: 3-year weekly correlation 0.73NOV vs XLE0.73

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Hubs: NOV correlations · XLE correlations