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BKNG vs SO: Correlation

Measured on weekly returns over the past three years, Booking Holdings (BKNG) and Southern Company (SO) carry a correlation of -0.20, a negative link.

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

Correlation (3Y)
-0.20
negative
Correlation (1Y)
-0.27
last 12 months
Correlation (5Y)
-0.03
long-run
Ann. covariance
-97.7
%² · weekly, annualized

How correlated are BKNG and SO?

Across a 3-year window, the weekly returns of BKNG and SO correlate at -0.20, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.27 lands near the 3-year figure. Stretching to 5 years gives -0.03, with an annualized covariance of -97.7 %².

Out of 39 assets tracked against BKNG, SO lands near the bottom at #35. Over the last 12 months SO came out ahead by 7.7 percentage points (-9.1% against -1.4%). The relationship is regime-dependent: the rolling one-year correlation swung between -0.47 and 0.15 over the past three years, so this pair behaves very differently depending on the market environment. Risk is not evenly split, since BKNG carries 1.8 times the volatility of the other side.

+1.0+0.50-0.5-1.020232026-08-27
Rolling one-year correlation of weekly returns over the past three years.
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.

BKNG vs SO: side by side

BKNG (Booking Holdings)SO (Southern Company)
1-year return-9.1%-1.4%
5-year return+127.1%+62.6%
Volatility (ann.)29.1%16.5%
Beta vs S&P 5001.11-0.02
Max drawdown (3Y)-33.4%-15.0%
Market cap$152.2B$102.4B
P/E (trailing)23.221.7
Dividend yield0.77%3.32%
Sector / categoryConsumer DiscretionaryUtilities
Lower P/E: SO 21.7 vs 23.2Higher yield: SO 3.32% vs 0.77%Smaller drawdown: SO -15.0% vs -33.4%Higher 5y return: BKNG +127.1% vs +62.6%
-30%0%+9%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. BKNG · SO

Year-by-year returns

YearBKNGSO
2022-16.0%+8.2%
2023+76.0%+2.2%
2024+41.3%+21.7%
2025+8.6%+9.5%
2026-5.0%+4.6%

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

Are BKNG and SO good diversifiers for each other?

Yes. With a correlation of -0.20, BKNG and SO have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

FAQ

What is the correlation between BKNG and SO?

As of 2026-08-27, the correlation of weekly returns between BKNG and SO is -0.20 over 3 years, -0.27 over 1 year and -0.03 over 5 years.

Is SO a good diversifier for BKNG?

Yes. With a correlation of -0.20, BKNG and SO have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

What does a correlation of -0.20 mean?

On the −1 to +1 scale, -0.20 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

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BKNG vs SO: 3-year weekly correlation -0.20BKNG vs SO-0.20

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Hubs: BKNG correlations · SO correlations