ATR vs SPY: Correlation
Measured on weekly returns over the past three years, AptarGroup, Inc. (ATR) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.36, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ATR and SPY?
On 3 years of weekly data the ATR/SPY correlation comes out at 0.36, moderate. The link has loosened recently: the 1-year correlation (0.12) runs below the 3-year figure (0.36). The 5-year figure is 0.52, and annualized covariance runs at 109.8 %².
SPY is close to the least connected end of ATR's tracked universe, ranking #15 of 19. Correlation aside, the last 12 months split them widely, with SPY ahead by 23.9 points (-3.3% versus +20.6%).
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.
ATR vs SPY: side by side
| ATR (AptarGroup, Inc.) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | -3.3% | +20.6% |
| 5-year return | +4.9% | +82.4% |
| Volatility (ann.) | 21.0% | 14.5% |
| Beta vs S&P 500 | 0.53 | 1.00 |
| Max drawdown (3Y) | -35.2% | -18.8% |
| Market cap | $8.4B | – |
| P/E (trailing) | 24.4 | – |
| Dividend yield | 1.40% | 1.01% |
| Expense ratio | – | 0.09% |
| Assets under management | – | $795.3B |
| Sector / category | US Listed | ETF · US Large Cap |
SPY is a Large Blend fund from State Street Investment Management: $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.
Year-by-year returns
| Year | ATR | SPY |
|---|---|---|
| 2022 | -8.9% | -18.2% |
| 2023 | +13.9% | +26.2% |
| 2024 | +28.6% | +24.9% |
| 2025 | -21.4% | +17.7% |
| 2026 | +10.2% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ATR and SPY good diversifiers for each other?
A fair diversifier. At 0.36, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between ATR and SPY?
Using weekly returns as of 2026-08-27: 0.36 over 3 years, with 0.12 over the last year and 0.52 over 5 years.
Is SPY a good diversifier for ATR?
A fair diversifier. At 0.36, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.36 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.
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Related comparisons
Hubs: ATR correlations · SPY correlations
