GIS vs WDC: Correlation
General Mills (GIS) and Western Digital (WDC) show a negative relationship: their 3-year correlation of weekly returns is -0.28.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GIS and WDC?
On 3 years of weekly data the GIS/WDC correlation comes out at -0.28, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.30) sits close to the 3-year figure. The 5-year figure is -0.19, and annualized covariance runs at -328.1 %².
Among the 38 assets we track against GIS, WDC sits near the bottom by co-movement, at rank #35. Their recent paths diverged sharply: over the last 12 months WDC outperformed by 487.1 percentage points (-12.8% for GIS against +474.3% for WDC). The rolling one-year correlation moved between -0.41 and -0.05 over the past three years, a moderate range. Note the risk asymmetry: WDC runs 2.8 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.
GIS vs WDC: side by side
| GIS (General Mills) | WDC (Western Digital) | |
|---|---|---|
| 1-year return | -12.8% | +474.3% |
| 5-year return | -14.6% | +889.2% |
| Volatility (ann.) | 20.6% | 58.0% |
| Beta vs S&P 500 | -0.05 | 2.15 |
| Max drawdown (3Y) | -53.4% | -49.6% |
| Market cap | $21.6B | $166.6B |
| P/E (trailing) | – | 17.4 |
| Dividend yield | 6.09% | 0.11% |
| Sector / category | Consumer Staples | Information Technology |
Year-by-year returns
| Year | GIS | WDC |
|---|---|---|
| 2022 | +28.1% | -51.6% |
| 2023 | -20.0% | +66.0% |
| 2024 | +1.4% | +13.9% |
| 2025 | -23.7% | +283.7% |
| 2026 | -8.8% | +168.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GIS and WDC good diversifiers for each other?
Yes. With a correlation of -0.28, GIS and WDC have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between GIS and WDC?
As of 2026-08-27, the correlation of weekly returns between GIS and WDC is -0.28 over 3 years, -0.30 over 1 year and -0.19 over 5 years.
Is WDC a good diversifier for GIS?
Yes. With a correlation of -0.28, GIS and WDC have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.28 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/gis-vs-wdc.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/gis-vs-wdc/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: GIS correlations · WDC correlations
