GWW vs PETZ: Correlation
How closely do W. W. Grainger (GWW) and TDH Holdings, Inc. (PETZ) trade together? Their weekly returns over three years give a correlation of -0.21, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GWW and PETZ?
On 3 years of weekly data the GWW/PETZ correlation comes out at -0.21, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.28) sits close to the 3-year figure. The 5-year figure is 0.10, and annualized covariance runs at -289.3 %².
Within GWW's tracked universe of 29 assets, PETZ comes in at #22 by 3-year correlation. Twelve-month performance is nearly a tie, at +31.0% for GWW and +27.4% for PETZ. Risk is not evenly split, since PETZ 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.
GWW vs PETZ: side by side
| GWW (W. W. Grainger) | PETZ (TDH Holdings, Inc.) | |
|---|---|---|
| 1-year return | +31.0% | +27.4% |
| 5-year return | +219.4% | -97.2% |
| Volatility (ann.) | 23.3% | 58.5% |
| Beta vs S&P 500 | 0.74 | 0.40 |
| Max drawdown (3Y) | -24.5% | -51.2% |
| Market cap | $62.2B | – |
| P/E (trailing) | 34.0 | 6.9 |
| Dividend yield | 0.69% | 0.00% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | GWW | PETZ |
|---|---|---|
| 2022 | +8.7% | -98.0% |
| 2023 | +50.5% | -25.8% |
| 2024 | +28.2% | +8.7% |
| 2025 | -3.4% | -27.2% |
| 2026 | +31.7% | +37.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GWW and PETZ good diversifiers for each other?
By historical standards, yes. A correlation of -0.21 means the two rarely move for the same reasons.
FAQ
What is the correlation between GWW and PETZ?
The GWW/PETZ correlation stands at -0.21 on a 3-year window (1 year: -0.28, 5 years: 0.10), computed from weekly returns as of 2026-08-27.
Is PETZ a good diversifier for GWW?
By historical standards, yes. A correlation of -0.21 means the two rarely move for the same reasons.
What does a correlation of -0.21 mean?
A reading of -0.21 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: GWW correlations · PETZ correlations
