BC vs THRM: Correlation
How closely do Brunswick Corporation (BC) and Gentherm Inc (THRM) trade together? Their weekly returns over three years give a correlation of 0.60, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BC and THRM?
Over the past 3 years, BC and THRM moved with a correlation of 0.60, which is strong. Recent behaviour matches the longer record: 0.54 over 1 year against 0.60 over 3. Over 5 years the correlation is 0.52, and the annualized covariance of weekly returns is 783.5 %².
By 3-year correlation, THRM places #23 of the 58 assets tracked against BC. Over the last 12 months BC came out ahead by 13.1 percentage points (+21.7% against +8.6%).
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.
BC vs THRM: side by side
| BC (Brunswick Corporation) | THRM (Gentherm Inc) | |
|---|---|---|
| 1-year return | +21.7% | +8.6% |
| 5-year return | -15.3% | -54.0% |
| Volatility (ann.) | 35.8% | 36.4% |
| Beta vs S&P 500 | 1.22 | 1.04 |
| Max drawdown (3Y) | -56.5% | -61.8% |
| Market cap | $5.0B | $1.2B |
| P/E (trailing) | – | 47.0 |
| Dividend yield | 2.18% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BC | THRM |
|---|---|---|
| 2022 | -27.1% | -24.9% |
| 2023 | +36.9% | -19.8% |
| 2024 | -31.8% | -23.8% |
| 2025 | +18.1% | -8.9% |
| 2026 | +6.2% | +11.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BC and THRM good diversifiers for each other?
To a limited degree. At 0.60 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 BC and THRM?
Using weekly returns as of 2026-08-27: 0.60 over 3 years, with 0.54 over the last year and 0.52 over 5 years.
Is THRM a good diversifier for BC?
To a limited degree. At 0.60 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 0.60 mean?
A reading of 0.60 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
$ curl https://www.pairbook.io/api/v1/pairs/bc-vs-thrm.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/bc-vs-thrm/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: BC correlations · THRM correlations
