ACN vs SPY: Correlation
How closely do Accenture (ACN) and SPDR S&P 500 ETF Trust (SPY) trade together? Their weekly returns over three years give a correlation of 0.30, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACN and SPY?
Over the past 3 years, ACN and SPY moved with a correlation of 0.30, which is moderate. Lately the two have drifted apart, with the 1-year correlation at 0.17 versus 0.30 over 3 years. Over 5 years the correlation is 0.52, and the annualized covariance of weekly returns is 143.1 %².
Within ACN's tracked universe of 37 assets, SPY comes in at #25 by 3-year correlation. Correlation aside, the last 12 months split them widely, with SPY ahead by 46.2 points (-25.6% versus +20.6%). Do not treat this figure as fixed: across three years the rolling one-year correlation ranged all the way from 0.18 to 0.83. One caveat on sizing: ACN is 2.2 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
ACN vs SPY: side by side
| ACN (Accenture) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | -25.6% | +20.6% |
| 5-year return | -39.6% | +82.4% |
| Volatility (ann.) | 32.6% | 14.5% |
| Beta vs S&P 500 | 0.69 | 1.00 |
| Max drawdown (3Y) | -68.2% | -18.8% |
| Market cap | $114.7B | – |
| P/E (trailing) | 14.5 | – |
| Dividend yield | 3.59% | 1.01% |
| Expense ratio | – | 0.09% |
| Assets under management | – | $795.3B |
| Sector / category | Information Technology | 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 | ACN | SPY |
|---|---|---|
| 2022 | -34.8% | -18.2% |
| 2023 | +33.6% | +26.2% |
| 2024 | +1.9% | +24.9% |
| 2025 | -22.6% | +17.7% |
| 2026 | -28.7% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Fund exposure
ACN represents 0.17% of SPY's portfolio, so part of any move in SPY is ACN itself, and the correlation between them is partly mechanical.
Are ACN and SPY good diversifiers for each other?
A fair diversifier. At 0.30, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between ACN and SPY?
As of 2026-08-27, the correlation of weekly returns between ACN and SPY is 0.30 over 3 years, 0.17 over 1 year and 0.52 over 5 years.
Is SPY a good diversifier for ACN?
A fair diversifier. At 0.30, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.30 mean?
A reading of 0.30 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/acn-vs-spy.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/acn-vs-spy/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: ACN correlations · SPY correlations