MED vs WGS: Correlation
How closely do MEDIFAST INC (MED) and GeneDx Holdings Corp. (WGS) trade together? Their weekly returns over three years give a correlation of -0.21, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MED and WGS?
Over the past 3 years, MED and WGS moved with a correlation of -0.21, which is negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (0.07) than the 3-year average (-0.21). Over 5 years the correlation is -0.09, and the annualized covariance of weekly returns is -1145.4 %².
WGS is close to the least connected end of MED's tracked universe, ranking #12 of 12. Their recent paths diverged sharply: over the last 12 months MED outperformed by 16.2 percentage points (-14.7% for MED against -30.9% for WGS). One caveat on sizing: WGS is 2.4 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.
MED vs WGS: side by side
| MED (MEDIFAST INC) | WGS (GeneDx Holdings Corp.) | |
|---|---|---|
| 1-year return | -14.7% | -30.9% |
| 5-year return | -94.1% | -69.2% |
| Volatility (ann.) | 47.7% | 113.8% |
| Beta vs S&P 500 | 0.68 | 1.13 |
| Max drawdown (3Y) | -88.8% | -79.4% |
| Market cap | $0.1B | $2.7B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | MED | WGS |
|---|---|---|
| 2022 | -42.3% | -94.1% |
| 2023 | -38.3% | -68.4% |
| 2024 | -73.8% | +2694.9% |
| 2025 | -39.4% | +69.2% |
| 2026 | +13.9% | -31.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MED and WGS good diversifiers for each other?
By historical standards, yes. A correlation of -0.21 means the two rarely move for the same reasons.
FAQ
What is the correlation between MED and WGS?
As of 2026-08-27, the correlation of weekly returns between MED and WGS is -0.21 over 3 years, 0.07 over 1 year and -0.09 over 5 years.
Is WGS a good diversifier for MED?
By historical standards, yes. A correlation of -0.21 means the two rarely move for the same reasons.
What does a correlation of -0.21 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/med-vs-wgs.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/med-vs-wgs/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: MED correlations · WGS correlations
