AUR vs BN: Correlation
How closely do Aurora Innovation, Inc. (AUR) and Brookfield Corporation Class A Limited Voting Shares (BN) trade together? Their weekly returns over three years give a correlation of 0.51, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AUR and BN?
On 3 years of weekly data the AUR/BN correlation comes out at 0.51, moderate. Little has changed lately, as the 1-year reading of 0.52 lands near the 3-year figure. The 5-year figure is 0.43, and annualized covariance runs at 1205.7 %².
BN is one of the assets that tracks AUR most closely: it ranks #3 out of the 13 assets we track against AUR. Twelve-month performance is nearly a tie, at -0.5% for AUR and -4.5% for BN. Risk is not evenly split, since AUR carries 2.8 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.
AUR vs BN: side by side
| AUR (Aurora Innovation, Inc.) | BN (Brookfield Corporation Class A Limited Voting Shares) | |
|---|---|---|
| 1-year return | -0.5% | -4.5% |
| 5-year return | -42.3% | +42.1% |
| Volatility (ann.) | 81.8% | 28.8% |
| Beta vs S&P 500 | 2.61 | 1.47 |
| Max drawdown (3Y) | -63.0% | -27.8% |
| Market cap | $11.4B | $92.5B |
| P/E (trailing) | – | 76.7 |
| Dividend yield | 0.00% | 0.62% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AUR | BN |
|---|---|---|
| 2022 | -89.3% | -34.6% |
| 2023 | +261.2% | +28.6% |
| 2024 | +44.2% | +44.2% |
| 2025 | -39.0% | +20.5% |
| 2026 | +48.2% | -9.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AUR and BN good diversifiers for each other?
Somewhat, no more. With 0.51 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between AUR and BN?
Using weekly returns as of 2026-08-27: 0.51 over 3 years, with 0.52 over the last year and 0.43 over 5 years.
Is BN a good diversifier for AUR?
Somewhat, no more. With 0.51 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.51 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/aur-vs-bn.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/aur-vs-bn/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: AUR correlations · BN correlations
