BNC vs UNM: Correlation
How closely do CEA Industries Inc. (BNC) and Unum Group (UNM) trade together? Their weekly returns over three years give a correlation of -0.39, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BNC and UNM?
Across a 3-year window, the weekly returns of BNC and UNM correlate at -0.39, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.35) sits close to the 3-year figure. Stretching to 5 years gives -0.14, with an annualized covariance of -1116.4 %².
Out of 37 assets tracked against BNC, UNM lands near the bottom at #37. The last year tells two different stories: UNM led by 122.3 percentage points, -86.1% for BNC against +36.2% for UNM. Risk is not evenly split, since BNC carries 5.1 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.
BNC vs UNM: side by side
| BNC (CEA Industries Inc.) | UNM (Unum Group) | |
|---|---|---|
| 1-year return | -86.1% | +36.2% |
| 5-year return | -97.4% | +305.6% |
| Volatility (ann.) | 120.4% | 23.8% |
| Beta vs S&P 500 | -0.47 | 0.49 |
| Max drawdown (3Y) | -96.5% | -17.9% |
| Market cap | $0.1B | $14.6B |
| P/E (trailing) | 0.0 | 21.3 |
| Dividend yield | 0.00% | 2.06% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BNC | UNM |
|---|---|---|
| 2022 | -82.5% | +73.6% |
| 2023 | -34.9% | +13.7% |
| 2024 | +23.7% | +66.3% |
| 2025 | -20.9% | +8.6% |
| 2026 | -53.1% | +21.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BNC and UNM good diversifiers for each other?
By historical standards, yes. A correlation of -0.39 means the two rarely move for the same reasons.
FAQ
What is the correlation between BNC and UNM?
As of 2026-08-27, the correlation of weekly returns between BNC and UNM is -0.39 over 3 years, -0.35 over 1 year and -0.14 over 5 years.
Is UNM a good diversifier for BNC?
By historical standards, yes. A correlation of -0.39 means the two rarely move for the same reasons.
What does a correlation of -0.39 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/bnc-vs-unm.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/bnc-vs-unm/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BNC correlations · UNM correlations
