PairBook
HomeAFL › AFL vs CNA

AFL vs CNA: Correlation

How closely do Aflac (AFL) and CNA Financial Corporation (CNA) trade together? Their weekly returns over three years give a correlation of 0.61, which is strong.

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

Correlation (3Y)
0.61
strong
Correlation (1Y)
0.56
last 12 months
Correlation (5Y)
0.65
long-run
Ann. covariance
230.6
%² · weekly, annualized

How correlated are AFL and CNA?

Over the past 3 years, AFL and CNA moved with a correlation of 0.61, which is strong. Recent behaviour matches the longer record: 0.56 over 1 year against 0.61 over 3. Over 5 years the correlation is 0.65, and the annualized covariance of weekly returns is 230.6 %².

By 3-year correlation, CNA places #7 of the 32 assets tracked against AFL. Neither side won the trailing year by much: +10.8% against +7.6%.

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.

AFL vs CNA: side by side

AFL (Aflac)CNA (CNA Financial Corporation)
1-year return+10.8%+7.6%
5-year return+131.3%+64.0%
Volatility (ann.)19.2%19.8%
Beta vs S&P 5000.360.21
Max drawdown (3Y)-13.6%-14.6%
Market cap$58.4B$13.2B
P/E (trailing)12.610.9
Dividend yield2.03%3.80%
Sector / categoryFinancialsUS Listed
Lower P/E: CNA 10.9 vs 12.6Higher yield: CNA 3.80% vs 2.03%Smaller drawdown: AFL -13.6% vs -14.6%Higher 5y return: AFL +131.3% vs +64.0%
-7%0%+21%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. AFL · CNA

Year-by-year returns

YearAFLCNA
2022+26.4%+3.8%
2023+17.4%+7.1%
2024+28.1%+24.0%
2025+8.9%+7.0%
2026+7.4%+10.1%

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

Are AFL and CNA good diversifiers for each other?

To a limited degree. At 0.61 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 AFL and CNA?

As of 2026-08-27, the correlation of weekly returns between AFL and CNA is 0.61 over 3 years, 0.56 over 1 year and 0.65 over 5 years.

Is CNA a good diversifier for AFL?

To a limited degree. At 0.61 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 0.61 mean?

A reading of 0.61 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/afl-vs-cna.json

AFL vs CNA: 3-year weekly correlation 0.61AFL vs CNA0.61

Markdown for the live badge, attribution link included:

[![AFL vs CNA correlation](https://www.pairbook.io/api/v1/badge/afl-vs-cna.svg)](https://www.pairbook.io/pair/afl-vs-cna/)

The core API is free. Terms and every endpoint in the API documentation.

Related comparisons

Hubs: AFL correlations · CNA correlations