PBR vs SU: Correlation
How closely do Petroleo Brasileiro S.A. Petrobras (PBR) and Suncor Energy Inc. (SU) trade together? Their weekly returns over three years give a correlation of 0.65, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PBR and SU?
On 3 years of weekly data the PBR/SU correlation comes out at 0.65, strong. Recent behaviour matches the longer record: 0.70 over 1 year against 0.65 over 3. The 5-year figure is 0.53, and annualized covariance runs at 620.0 %².
Few assets follow PBR as closely as SU, which ranks #1 of 15 tracked partners. The trailing year gives SU the advantage: +56.1% versus +64.3%, a 8.2-point spread.
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.
PBR vs SU: side by side
| PBR (Petroleo Brasileiro S.A. Petrobras) | SU (Suncor Energy Inc.) | |
|---|---|---|
| 1-year return | +56.1% | +64.3% |
| 5-year return | +417.1% | +325.4% |
| Volatility (ann.) | 32.9% | 29.1% |
| Beta vs S&P 500 | -0.08 | 0.13 |
| Max drawdown (3Y) | -26.9% | -22.7% |
| Market cap | $117.6B | $78.4B |
| P/E (trailing) | 4.5 | 12.1 |
| Dividend yield | 20.65% | 3.61% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PBR | SU |
|---|---|---|
| 2022 | +57.2% | +32.3% |
| 2023 | +89.2% | +6.0% |
| 2024 | -2.3% | +16.2% |
| 2025 | -1.1% | +27.1% |
| 2026 | +60.7% | +51.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PBR and SU good diversifiers for each other?
To a limited degree. At 0.65 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between PBR and SU?
The PBR/SU correlation stands at 0.65 on a 3-year window (1 year: 0.70, 5 years: 0.53), computed from weekly returns as of 2026-08-27.
Is SU a good diversifier for PBR?
To a limited degree. At 0.65 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.65 mean?
A reading of 0.65 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/pbr-vs-su.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/pbr-vs-su/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: PBR correlations · SU correlations
