PTLO vs QSR: Correlation
Measured on weekly returns over the past three years, Portillo's Inc. (PTLO) and Restaurant Brands International Inc. (QSR) carry a correlation of 0.41, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PTLO and QSR?
Over the past 3 years, PTLO and QSR moved with a correlation of 0.41, which is moderate. The relationship has been stable: the 1-year correlation (0.46) sits close to the 3-year figure. Over 5 years the correlation is 0.40, and the annualized covariance of weekly returns is 438.2 %².
Among the 11 assets we track against PTLO, QSR ranks #5 by 3-year correlation. The last year tells two different stories: QSR led by 65.3 percentage points, -36.0% for PTLO against +29.3% for QSR. Risk is not evenly split, since PTLO carries 2.5 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.
PTLO vs QSR: side by side
| PTLO (Portillo's Inc.) | QSR (Restaurant Brands International Inc.) | |
|---|---|---|
| 1-year return | -36.0% | +29.3% |
| 5-year return | -84.6% | +45.4% |
| Volatility (ann.) | 52.1% | 20.7% |
| Beta vs S&P 500 | 0.82 | 0.32 |
| Max drawdown (3Y) | -79.5% | -24.5% |
| Market cap | $0.3B | $35.8B |
| P/E (trailing) | 24.9 | 19.9 |
| Dividend yield | 0.00% | 3.20% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PTLO | QSR |
|---|---|---|
| 2022 | -56.5% | +10.7% |
| 2023 | -2.4% | +24.6% |
| 2024 | -41.0% | -13.8% |
| 2025 | -51.7% | +8.6% |
| 2026 | -1.3% | +16.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PTLO and QSR good diversifiers for each other?
Reasonably. At 0.41, PTLO and QSR keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between PTLO and QSR?
Using weekly returns as of 2026-08-27: 0.41 over 3 years, with 0.46 over the last year and 0.40 over 5 years.
Is QSR a good diversifier for PTLO?
Reasonably. At 0.41, PTLO and QSR keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.41 mean?
A reading of 0.41 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: PTLO correlations · QSR correlations
