BDC vs GRC: Correlation
How closely do Belden Inc (BDC) and Gorman-Rupp Company (The) (GRC) trade together? Their weekly returns over three years give a correlation of 0.55, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BDC and GRC?
On 3 years of weekly data the BDC/GRC correlation comes out at 0.55, moderate. Recent behaviour matches the longer record: 0.57 over 1 year against 0.55 over 3. The 5-year figure is 0.50, and annualized covariance runs at 664.7 %².
Within BDC's tracked universe of 13 assets, GRC comes in at #5 by 3-year correlation. The last year tells two different stories: GRC led by 92.0 percentage points, -9.6% for BDC against +82.4% for GRC.
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.
BDC vs GRC: side by side
| BDC (Belden Inc) | GRC (Gorman-Rupp Company (The)) | |
|---|---|---|
| 1-year return | -9.6% | +82.4% |
| 5-year return | +113.6% | +143.0% |
| Volatility (ann.) | 39.2% | 30.6% |
| Beta vs S&P 500 | 1.17 | 0.85 |
| Max drawdown (3Y) | -35.8% | -26.9% |
| Market cap | $4.7B | $2.0B |
| P/E (trailing) | 19.5 | 32.7 |
| Dividend yield | 0.17% | 0.97% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BDC | GRC |
|---|---|---|
| 2022 | +9.7% | -41.2% |
| 2023 | +7.7% | +42.2% |
| 2024 | +46.1% | +8.9% |
| 2025 | +3.7% | +28.2% |
| 2026 | +3.0% | +63.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BDC and GRC good diversifiers for each other?
Only partially. A correlation of 0.55 means BDC and GRC 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 BDC and GRC?
The BDC/GRC correlation stands at 0.55 on a 3-year window (1 year: 0.57, 5 years: 0.50), computed from weekly returns as of 2026-08-27.
Is GRC a good diversifier for BDC?
Only partially. A correlation of 0.55 means BDC and GRC share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.55 mean?
On the −1 to +1 scale, 0.55 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/bdc-vs-grc.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/bdc-vs-grc/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: BDC correlations · GRC correlations
