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BAC vs COF: Correlation

Bank of America (BAC) and Capital One (COF) show a strong relationship: their 3-year correlation of weekly returns is 0.75.

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

Correlation (3Y)
0.75
strong
Correlation (1Y)
0.70
last 12 months
Correlation (5Y)
0.74
long-run
Ann. covariance
611.6
%² · weekly, annualized

How correlated are BAC and COF?

Across a 3-year window, the weekly returns of BAC and COF correlate at 0.75, strong. The relationship has been stable: the 1-year correlation (0.70) sits close to the 3-year figure. Stretching to 5 years gives 0.74, with an annualized covariance of 611.6 %².

By 3-year correlation, COF places #20 of the 45 assets tracked against BAC. Their recent paths diverged sharply: over the last 12 months BAC outperformed by 26.1 percentage points (+24.1% for BAC against -2.0% for COF). The rolling one-year correlation stayed in a tight band between 0.69 and 0.85 over the past three years, which points to a structural rather than episodic relationship.

+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.

BAC vs COF: side by side

BAC (Bank of America)COF (Capital One)
1-year return+24.1%-2.0%
5-year return+66.0%+43.2%
Volatility (ann.)26.5%30.6%
Beta vs S&P 5001.111.28
Max drawdown (3Y)-27.5%-31.5%
Market cap$427.7B$132.9B
P/E (trailing)14.112.0
Dividend yield1.80%1.38%
Sector / categoryFinancialsFinancials
Lower P/E: COF 12.0 vs 14.1Higher yield: BAC 1.80% vs 1.38%Smaller drawdown: BAC -27.5% vs -31.5%Higher 5y return: BAC +66.0% vs +43.2%
-20%0%+32%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). BAC · COF

Year-by-year returns

YearBACCOF
2022-23.8%-34.6%
2023+4.8%+44.3%
2024+33.9%+38.2%
2025+28.0%+37.6%
2026+12.4%-9.6%

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

Are BAC and COF good diversifiers for each other?

Only partially. A correlation of 0.75 means BAC and COF share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

FAQ

What is the correlation between BAC and COF?

As of 2026-08-27, the correlation of weekly returns between BAC and COF is 0.75 over 3 years, 0.70 over 1 year and 0.74 over 5 years.

Is COF a good diversifier for BAC?

Only partially. A correlation of 0.75 means BAC and COF share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.75 mean?

On the −1 to +1 scale, 0.75 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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BAC vs COF: 3-year weekly correlation 0.75BAC vs COF0.75

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Hubs: BAC correlations · COF correlations