ALGN vs BNC: Correlation
How closely do Align Technology (ALGN) and CEA Industries Inc. (BNC) trade together? Their weekly returns over three years give a correlation of -0.26, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ALGN and BNC?
On 3 years of weekly data the ALGN/BNC correlation comes out at -0.26, negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (-0.01) than the 3-year average (-0.26). The 5-year figure is -0.15, and annualized covariance runs at -1402.3 %².
BNC is close to the least connected end of ALGN's tracked universe, ranking #33 of 37. Correlation aside, the last 12 months split them widely, with ALGN ahead by 98.0 points (+11.9% versus -86.1%). Note the risk asymmetry: BNC runs 2.7 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
ALGN vs BNC: side by side
| ALGN (Align Technology) | BNC (CEA Industries Inc.) | |
|---|---|---|
| 1-year return | +11.9% | -86.1% |
| 5-year return | -77.4% | -97.4% |
| Volatility (ann.) | 44.3% | 120.4% |
| Beta vs S&P 500 | 1.51 | -0.47 |
| Max drawdown (3Y) | -66.7% | -96.5% |
| Market cap | $11.3B | $0.1B |
| P/E (trailing) | 27.6 | 0.0 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | Health Care | US Listed |
Year-by-year returns
| Year | ALGN | BNC |
|---|---|---|
| 2022 | -67.9% | -82.5% |
| 2023 | +29.9% | -34.9% |
| 2024 | -23.9% | +23.7% |
| 2025 | -25.1% | -20.9% |
| 2026 | +1.7% | -53.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ALGN and BNC good diversifiers for each other?
Yes: at -0.26, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between ALGN and BNC?
The ALGN/BNC correlation stands at -0.26 on a 3-year window (1 year: -0.01, 5 years: -0.15), computed from weekly returns as of 2026-08-27.
Is BNC a good diversifier for ALGN?
Yes: at -0.26, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.26 mean?
A reading of -0.26 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/algn-vs-bnc.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/algn-vs-bnc/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ALGN correlations · BNC correlations
