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BOKF vs EBC: Correlation

Measured on weekly returns over the past three years, BOK Financial Corporation (BOKF) and Eastern Bankshares, Inc. (EBC) carry a correlation of 0.86, a very strong link.

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

Correlation (3Y)
0.86
very strong
Correlation (1Y)
0.81
last 12 months
Correlation (5Y)
0.72
long-run
Ann. covariance
632.6
%² · weekly, annualized

How correlated are BOKF and EBC?

Over the past 3 years, BOKF and EBC moved with a correlation of 0.86, which is very strong, meaning they move nearly in lockstep. Recent behaviour matches the longer record: 0.81 over 1 year against 0.86 over 3. Over 5 years the correlation is 0.72, and the annualized covariance of weekly returns is 632.6 %².

EBC is one of the assets that tracks BOKF most closely: it ranks #1 out of the 15 assets we track against BOKF. The trailing year gives EBC the advantage: +25.5% versus +34.8%, a 9.3-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.

BOKF vs EBC: side by side

BOKF (BOK Financial Corporation)EBC (Eastern Bankshares, Inc.)
1-year return+25.5%+34.8%
5-year return+78.9%+30.6%
Volatility (ann.)25.9%28.3%
Beta vs S&P 5000.860.84
Max drawdown (3Y)-26.2%-25.0%
Market cap$8.4B$5.1B
P/E (trailing)13.012.5
Dividend yield1.82%2.41%
Sector / categoryUS ListedUS Listed
Lower P/E: EBC 12.5 vs 13.0Higher yield: EBC 2.41% vs 1.82%Smaller drawdown: EBC -25.0% vs -26.2%Higher 5y return: BOKF +78.9% vs +30.6%
-7%0%+40%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). BOKF · EBC

Year-by-year returns

YearBOKFEBC
2022+1.2%-12.7%
2023-15.2%-15.0%
2024+27.2%+25.1%
2025+13.8%+10.1%
2026+18.4%+23.3%

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

Are BOKF and EBC good diversifiers for each other?

No: a correlation of 0.86 means BOKF and EBC tend to fall together, which is precisely when diversification is supposed to help.

FAQ

What is the correlation between BOKF and EBC?

As of 2026-08-27, the correlation of weekly returns between BOKF and EBC is 0.86 over 3 years, 0.81 over 1 year and 0.72 over 5 years.

Is EBC a good diversifier for BOKF?

No: a correlation of 0.86 means BOKF and EBC tend to fall together, which is precisely when diversification is supposed to help.

What does a correlation of 0.86 mean?

A reading of 0.86 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

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BOKF vs EBC: 3-year weekly correlation 0.86BOKF vs EBC0.86

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Hubs: BOKF correlations · EBC correlations