DD vs SPY: Correlation
How closely do DuPont (DD) and SPDR S&P 500 ETF Trust (SPY) trade together? Their weekly returns over three years give a correlation of 0.47, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DD and SPY?
Across a 3-year window, the weekly returns of DD and SPY correlate at 0.47, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.28 versus 0.47 over 3 years. Stretching to 5 years gives 0.59, with an annualized covariance of 195.2 %².
Within DD's tracked universe of 34 assets, SPY comes in at #23 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months DD outperformed by 24.1 percentage points (+44.7% for DD against +20.6% for SPY). Do not treat this figure as fixed: across three years the rolling one-year correlation ranged all the way from 0.15 to 0.76. Note the risk asymmetry: DD runs 2.0 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
DD vs SPY: side by side
| DD (DuPont) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | +44.7% | +20.6% |
| 5-year return | +64.0% | +82.4% |
| Volatility (ann.) | 28.8% | 14.5% |
| Beta vs S&P 500 | 0.93 | 1.00 |
| Max drawdown (3Y) | -37.8% | -18.8% |
| Market cap | $18.7B | – |
| P/E (trailing) | 59.1 | – |
| Dividend yield | 2.20% | 1.01% |
| Expense ratio | – | 0.09% |
| Assets under management | – | $795.3B |
| Sector / category | Industrials | 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 | DD | SPY |
|---|---|---|
| 2022 | -13.4% | -18.2% |
| 2023 | +14.4% | +26.2% |
| 2024 | +1.0% | +24.9% |
| 2025 | +28.7% | +17.7% |
| 2026 | +16.0% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DD and SPY good diversifiers for each other?
Reasonably. At 0.47, DD and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between DD and SPY?
Using weekly returns as of 2026-08-27: 0.47 over 3 years, with 0.28 over the last year and 0.59 over 5 years.
Is SPY a good diversifier for DD?
Reasonably. At 0.47, DD and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.47 mean?
A reading of 0.47 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/dd-vs-spy.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/dd-vs-spy/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: DD correlations · SPY correlations
