BRK.B vs GL: Correlation
How closely do Berkshire Hathaway (BRK.B) and Globe Life (GL) trade together? Their weekly returns over three years give a correlation of 0.40, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BRK.B and GL?
On 3 years of weekly data the BRK.B/GL correlation comes out at 0.40, moderate. Recent behaviour matches the longer record: 0.49 over 1 year against 0.40 over 3. The 5-year figure is 0.41, and annualized covariance runs at 225.5 %².
Among the 31 assets we track against BRK.B, GL ranks #18 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months GL outperformed by 24.5 percentage points (+1.6% for BRK.B against +26.1% for GL). Across three years, the rolling one-year figure varied moderately, from 0.36 to 0.66. Risk is not evenly split, since GL carries 2.2 times the volatility of the other side.
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.
BRK.B vs GL: side by side
| BRK.B (Berkshire Hathaway) | GL (Globe Life) | |
|---|---|---|
| 1-year return | +1.6% | +26.1% |
| 5-year return | +76.3% | +91.0% |
| Volatility (ann.) | 15.9% | 35.7% |
| Beta vs S&P 500 | 0.43 | 0.60 |
| Max drawdown (3Y) | -14.9% | -61.6% |
| Market cap | $1,078.3B | $13.5B |
| P/E (trailing) | 12.7 | 11.7 |
| Dividend yield | 0.00% | 0.68% |
| Sector / category | Financials | Financials |
Year-by-year returns
| Year | BRK.B | GL |
|---|---|---|
| 2022 | +3.3% | +29.7% |
| 2023 | +15.5% | +1.8% |
| 2024 | +27.1% | -7.5% |
| 2025 | +10.9% | +26.5% |
| 2026 | +0.2% | +26.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BRK.B and GL good diversifiers for each other?
A fair diversifier. At 0.40, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between BRK.B and GL?
As of 2026-08-27, the correlation of weekly returns between BRK.B and GL is 0.40 over 3 years, 0.49 over 1 year and 0.41 over 5 years.
Is GL a good diversifier for BRK.B?
A fair diversifier. At 0.40, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.40 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/brk-b-vs-gl.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/brk-b-vs-gl/)
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Related comparisons
Hubs: BRK.B correlations · GL correlations
