AFL vs BRK.B: Correlation
Measured on weekly returns over the past three years, Aflac (AFL) and Berkshire Hathaway (BRK.B) carry a correlation of 0.59, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AFL and BRK.B?
Across a 3-year window, the weekly returns of AFL and BRK.B correlate at 0.59, moderate. The relationship has been stable: the 1-year correlation (0.61) sits close to the 3-year figure. Stretching to 5 years gives 0.66, with an annualized covariance of 179.7 %².
Among the 32 assets we track against AFL, BRK.B ranks #12 by 3-year correlation. On 12-month performance AFL holds a 9.2-point edge, +10.8% against +1.6%. Across three years, the rolling one-year figure varied moderately, from 0.41 to 0.73.
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 BRK.B: side by side
| AFL (Aflac) | BRK.B (Berkshire Hathaway) | |
|---|---|---|
| 1-year return | +10.8% | +1.6% |
| 5-year return | +131.3% | +76.3% |
| Volatility (ann.) | 19.2% | 15.9% |
| Beta vs S&P 500 | 0.36 | 0.43 |
| Max drawdown (3Y) | -13.6% | -14.9% |
| Market cap | $58.4B | $1,078.3B |
| P/E (trailing) | 12.6 | 12.7 |
| Dividend yield | 2.03% | 0.00% |
| Sector / category | Financials | Financials |
Year-by-year returns
| Year | AFL | BRK.B |
|---|---|---|
| 2022 | +26.4% | +3.3% |
| 2023 | +17.4% | +15.5% |
| 2024 | +28.1% | +27.1% |
| 2025 | +8.9% | +10.9% |
| 2026 | +7.4% | +0.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AFL and BRK.B good diversifiers for each other?
Only partially. A correlation of 0.59 means AFL and BRK.B 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 AFL and BRK.B?
Using weekly returns as of 2026-08-27: 0.59 over 3 years, with 0.61 over the last year and 0.66 over 5 years.
Is BRK.B a good diversifier for AFL?
Only partially. A correlation of 0.59 means AFL and BRK.B share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.59 mean?
On the −1 to +1 scale, 0.59 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
$ curl https://www.pairbook.io/api/v1/pairs/afl-vs-brk-b.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/afl-vs-brk-b/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: AFL correlations · BRK.B correlations
