ATS vs BN: Correlation
ATS Corporation (ATS) and Brookfield Corporation Class A Limited Voting Shares (BN) show a moderate relationship: their 3-year correlation of weekly returns is 0.45.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ATS and BN?
Across a 3-year window, the weekly returns of ATS and BN correlate at 0.45, moderate. Little has changed lately, as the 1-year reading of 0.37 lands near the 3-year figure. Stretching to 5 years gives 0.43, with an annualized covariance of 495.5 %².
Within ATS's tracked universe of 10 assets, BN comes in at #4 by 3-year correlation. The last year tells two different stories: BN led by 24.0 percentage points, -28.5% for ATS against -4.5% for BN.
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.
ATS vs BN: side by side
| ATS (ATS Corporation) | BN (Brookfield Corporation Class A Limited Voting Shares) | |
|---|---|---|
| 1-year return | -28.5% | -4.5% |
| 5-year return | -46.0% | +42.1% |
| Volatility (ann.) | 38.0% | 28.8% |
| Beta vs S&P 500 | 1.06 | 1.47 |
| Max drawdown (3Y) | -57.3% | -27.8% |
| Market cap | $1.9B | $92.5B |
| P/E (trailing) | 57.1 | 76.7 |
| Dividend yield | 0.00% | 0.62% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ATS | BN |
|---|---|---|
| 2022 | -22.1% | -34.6% |
| 2023 | +39.2% | +28.6% |
| 2024 | -29.2% | +44.2% |
| 2025 | -9.6% | +20.5% |
| 2026 | -29.5% | -9.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ATS and BN good diversifiers for each other?
A fair diversifier. At 0.45, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between ATS and BN?
The ATS/BN correlation stands at 0.45 on a 3-year window (1 year: 0.37, 5 years: 0.43), computed from weekly returns as of 2026-08-27.
Is BN a good diversifier for ATS?
A fair diversifier. At 0.45, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.45 mean?
A reading of 0.45 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/ats-vs-bn.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/ats-vs-bn/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ATS correlations · BN correlations
