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AXP vs COF: Correlation

How closely do American Express (AXP) and Capital One (COF) trade together? Their weekly returns over three years give a correlation of 0.78, which is strong.

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

Correlation (3Y)
0.78
strong
Correlation (1Y)
0.74
last 12 months
Correlation (5Y)
0.77
long-run
Ann. covariance
633.3
%² · weekly, annualized

How correlated are AXP and COF?

On 3 years of weekly data the AXP/COF correlation comes out at 0.78, strong. Little has changed lately, as the 1-year reading of 0.74 lands near the 3-year figure. The 5-year figure is 0.77, and annualized covariance runs at 633.3 %².

Few assets follow AXP as closely as COF, which ranks #2 of 35 tracked partners. On 12-month performance AXP holds a 6.7-point edge, +4.7% against -2.0%. The link looks structural: the rolling one-year correlation barely moved, holding between 0.66 and 0.87.

+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.

AXP vs COF: side by side

AXP (American Express)COF (Capital One)
1-year return+4.7%-2.0%
5-year return+116.2%+43.2%
Volatility (ann.)26.6%30.6%
Beta vs S&P 5001.201.28
Max drawdown (3Y)-28.8%-31.5%
Market cap$225.7B$132.9B
P/E (trailing)20.412.0
Dividend yield1.05%1.38%
Sector / categoryFinancialsFinancials
Lower P/E: COF 12.0 vs 20.4Higher yield: COF 1.38% vs 1.05%Smaller drawdown: AXP -28.8% vs -31.5%Higher 5y return: AXP +116.2% vs +43.2%
-20%0%+18%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). AXP · COF

Year-by-year returns

YearAXPCOF
2022-8.5%-34.6%
2023+28.7%+44.3%
2024+60.3%+38.2%
2025+26.0%+37.6%
2026-8.9%-9.6%

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

Are AXP and COF good diversifiers for each other?

To a limited degree. At 0.78 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 AXP and COF?

Using weekly returns as of 2026-08-27: 0.78 over 3 years, with 0.74 over the last year and 0.77 over 5 years.

Is COF a good diversifier for AXP?

To a limited degree. At 0.78 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 0.78 mean?

A reading of 0.78 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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/axp-vs-cof.json

AXP vs COF: 3-year weekly correlation 0.78AXP vs COF0.78

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Related comparisons

Hubs: AXP correlations · COF correlations