FERG vs WMS: Correlation
How closely do Ferguson Enterprises (FERG) and Advanced Drainage Systems, Inc. (WMS) trade together? Their weekly returns over three years give a correlation of 0.57, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FERG and WMS?
On 3 years of weekly data the FERG/WMS correlation comes out at 0.57, moderate. The relationship has been stable: the 1-year correlation (0.58) sits close to the 3-year figure. The 5-year figure is 0.50, and annualized covariance runs at 640.5 %².
By 3-year correlation, WMS places #15 of the 35 assets tracked against FERG. Over the last 12 months FERG came out ahead by 5.5 percentage points (+1.1% against -4.4%).
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.
FERG vs WMS: side by side
| FERG (Ferguson Enterprises) | WMS (Advanced Drainage Systems, Inc.) | |
|---|---|---|
| 1-year return | +1.1% | -4.4% |
| 5-year return | +82.2% | +22.1% |
| Volatility (ann.) | 30.0% | 37.1% |
| Beta vs S&P 500 | 0.99 | 1.31 |
| Max drawdown (3Y) | -32.9% | -45.8% |
| Market cap | $45.1B | $10.5B |
| P/E (trailing) | 23.0 | 23.6 |
| Dividend yield | 1.80% | 0.52% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | FERG | WMS |
|---|---|---|
| 2022 | -27.2% | -39.5% |
| 2023 | +55.1% | +72.4% |
| 2024 | -8.6% | -17.5% |
| 2025 | +29.9% | +26.0% |
| 2026 | +6.4% | -3.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FERG and WMS good diversifiers for each other?
To a limited degree. At 0.57 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between FERG and WMS?
Using weekly returns as of 2026-08-27: 0.57 over 3 years, with 0.58 over the last year and 0.50 over 5 years.
Is WMS a good diversifier for FERG?
To a limited degree. At 0.57 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.57 mean?
On the −1 to +1 scale, 0.57 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/ferg-vs-wms.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ferg-vs-wms/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: FERG correlations · WMS correlations
