AHCO vs HYFM: Correlation
Measured on weekly returns over the past three years, AdaptHealth Corp. (AHCO) and Hydrofarm Holdings Group, Inc. (HYFM) carry a correlation of -0.31, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AHCO and HYFM?
On 3 years of weekly data the AHCO/HYFM correlation comes out at -0.31, negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.67 versus -0.31 over 3 years. The 5-year figure is -0.16, and annualized covariance runs at -2865.1 %².
HYFM is close to the least connected end of AHCO's tracked universe, ranking #17 of 21. The last year tells two different stories: AHCO led by 43.5 percentage points, -37.0% for AHCO against -80.5% for HYFM. Risk is not evenly split, since HYFM carries 2.4 times the volatility of the other side.
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.
AHCO vs HYFM: side by side
| AHCO (AdaptHealth Corp.) | HYFM (Hydrofarm Holdings Group, Inc.) | |
|---|---|---|
| 1-year return | -37.0% | -80.5% |
| 5-year return | -75.6% | -99.8% |
| Volatility (ann.) | 62.0% | 148.0% |
| Beta vs S&P 500 | 0.40 | 2.71 |
| Max drawdown (3Y) | -61.0% | -96.6% |
| Market cap | $0.8B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AHCO | HYFM |
|---|---|---|
| 2022 | -21.4% | -94.5% |
| 2023 | -62.1% | -40.8% |
| 2024 | +30.6% | -36.8% |
| 2025 | +4.6% | -74.0% |
| 2026 | -41.8% | -41.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AHCO and HYFM good diversifiers for each other?
Yes: at -0.31, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between AHCO and HYFM?
The AHCO/HYFM correlation stands at -0.31 on a 3-year window (1 year: -0.67, 5 years: -0.16), computed from weekly returns as of 2026-08-27.
Is HYFM a good diversifier for AHCO?
Yes: at -0.31, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.31 mean?
A reading of -0.31 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/ahco-vs-hyfm.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ahco-vs-hyfm/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: AHCO correlations · HYFM correlations
