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PTLO vs SHAK: Correlation

Portillo's Inc. (PTLO) and Shake Shack, Inc. (SHAK) show a moderate relationship: their 3-year correlation of weekly returns is 0.48.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.48
moderate
Correlation (1Y)
0.64
last 12 months
Correlation (5Y)
0.51
long-run
Ann. covariance
1285.4
%² · weekly, annualized

How correlated are PTLO and SHAK?

On 3 years of weekly data the PTLO/SHAK correlation comes out at 0.48, moderate. Lately the two have moved closer together, with the 1-year correlation at 0.64 versus 0.48 over 3 years. The 5-year figure is 0.51, and annualized covariance runs at 1285.4 %².

SHAK is one of the assets that tracks PTLO most closely: it ranks #1 out of the 11 assets we track against PTLO. Neither side won the trailing year by much: -36.0% against -33.9%.

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 SHAK: side by side

PTLO (Portillo's Inc.)SHAK (Shake Shack, Inc.)
1-year return-36.0%-33.9%
5-year return-84.6%-18.1%
Volatility (ann.)52.1%51.5%
Beta vs S&P 5000.821.42
Max drawdown (3Y)-79.5%-63.1%
Market cap$0.3B$3.0B
P/E (trailing)24.976.7
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Lower P/E: PTLO 24.9 vs 76.7Smaller drawdown: SHAK -63.1% vs -79.5%Higher 5y return: SHAK -18.1% vs -84.6%
-48%0%+4%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. PTLO · SHAK

Year-by-year returns

YearPTLOSHAK
2022-56.5%-42.4%
2023-2.4%+78.5%
2024-41.0%+75.1%
2025-51.7%-37.5%
2026-1.3%-13.1%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are PTLO and SHAK good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.48 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between PTLO and SHAK?

The PTLO/SHAK correlation stands at 0.48 on a 3-year window (1 year: 0.64, 5 years: 0.51), computed from weekly returns as of 2026-08-27.

Is SHAK a good diversifier for PTLO?

Yes, to a useful degree: a correlation of 0.48 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.48 mean?

A reading of 0.48 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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PTLO vs SHAK: 3-year weekly correlation 0.48PTLO vs SHAK0.48

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Related comparisons

Hubs: PTLO correlations · SHAK correlations