ACN vs IBM: Correlation
Measured on weekly returns over the past three years, Accenture (ACN) and IBM (IBM) carry a correlation of 0.48, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACN and IBM?
Across a 3-year window, the weekly returns of ACN and IBM correlate at 0.48, moderate. Recent behaviour matches the longer record: 0.46 over 1 year against 0.48 over 3. Stretching to 5 years gives 0.48, with an annualized covariance of 539.3 %².
By 3-year correlation, IBM places #21 of the 37 assets tracked against ACN. Their recent paths diverged sharply: over the last 12 months IBM outperformed by 25.7 percentage points (-25.6% for ACN against +0.1% for IBM). On a rolling one-year basis the correlation drifted between 0.42 and 0.74, a moderate band.
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 IBM: side by side
| ACN (Accenture) | IBM (IBM) | |
|---|---|---|
| 1-year return | -25.6% | +0.1% |
| 5-year return | -39.6% | +117.6% |
| Volatility (ann.) | 32.6% | 34.7% |
| Beta vs S&P 500 | 0.69 | 0.78 |
| Max drawdown (3Y) | -68.2% | -37.5% |
| Market cap | $114.7B | $225.0B |
| P/E (trailing) | 14.5 | 20.4 |
| Dividend yield | 3.59% | 2.93% |
| Sector / category | Information Technology | Information Technology |
Year-by-year returns
| Year | ACN | IBM |
|---|---|---|
| 2022 | -34.8% | +10.6% |
| 2023 | +33.6% | +21.8% |
| 2024 | +1.9% | +39.3% |
| 2025 | -22.6% | +38.2% |
| 2026 | -28.7% | -17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ACN and IBM good diversifiers for each other?
A fair diversifier. At 0.48, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between ACN and IBM?
Using weekly returns as of 2026-08-27: 0.48 over 3 years, with 0.46 over the last year and 0.48 over 5 years.
Is IBM a good diversifier for ACN?
A fair diversifier. At 0.48, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.48 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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/acn-vs-ibm.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/acn-vs-ibm/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: ACN correlations · IBM correlations
