BC vs OSK: Correlation
How closely do Brunswick Corporation (BC) and Oshkosh Corporation (Holding Company) (OSK) trade together? Their weekly returns over three years give a correlation of 0.67, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BC and OSK?
Over the past 3 years, BC and OSK moved with a correlation of 0.67, which is strong. The relationship has been stable: the 1-year correlation (0.67) sits close to the 3-year figure. Over 5 years the correlation is 0.63, and the annualized covariance of weekly returns is 888.2 %².
Among the 58 assets we track against BC, OSK ranks #11 by 3-year correlation. The trailing year gives BC the advantage: +21.7% versus +11.0%, a 10.7-point spread.
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.
BC vs OSK: side by side
| BC (Brunswick Corporation) | OSK (Oshkosh Corporation (Holding Company)) | |
|---|---|---|
| 1-year return | +21.7% | +11.0% |
| 5-year return | -15.3% | +47.4% |
| Volatility (ann.) | 35.8% | 37.0% |
| Beta vs S&P 500 | 1.22 | 1.14 |
| Max drawdown (3Y) | -56.5% | -36.7% |
| Market cap | $5.0B | $9.7B |
| P/E (trailing) | – | 18.1 |
| Dividend yield | 2.18% | 1.37% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BC | OSK |
|---|---|---|
| 2022 | -27.1% | -20.5% |
| 2023 | +36.9% | +25.2% |
| 2024 | -31.8% | -10.8% |
| 2025 | +18.1% | +34.5% |
| 2026 | +6.2% | +26.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BC and OSK good diversifiers for each other?
Only partially. A correlation of 0.67 means BC and OSK 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 BC and OSK?
The BC/OSK correlation stands at 0.67 on a 3-year window (1 year: 0.67, 5 years: 0.63), computed from weekly returns as of 2026-08-27.
Is OSK a good diversifier for BC?
Only partially. A correlation of 0.67 means BC and OSK share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.67 mean?
On the −1 to +1 scale, 0.67 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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Related comparisons
Hubs: BC correlations · OSK correlations
