MED vs QQQ: Correlation
MEDIFAST INC (MED) and Invesco QQQ Trust (QQQ) show a weak relationship: their 3-year correlation of weekly returns is 0.14.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MED and QQQ?
On 3 years of weekly data the MED/QQQ correlation comes out at 0.14, weak. The past 12 months show a tighter link (0.43) than the 3-year average (0.14). The 5-year figure is 0.21, and annualized covariance runs at 134.8 %².
Among the 12 assets we track against MED, QQQ sits near the bottom by co-movement, at rank #9. Their recent paths diverged sharply: over the last 12 months QQQ outperformed by 41.0 percentage points (-14.7% for MED against +26.3% for QQQ). One caveat on sizing: MED 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 QQQ: side by side
| MED (MEDIFAST INC) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | -14.7% | +26.3% |
| 5-year return | -94.1% | +95.4% |
| Volatility (ann.) | 47.7% | 19.6% |
| Beta vs S&P 500 | 0.68 | 1.28 |
| Max drawdown (3Y) | -88.8% | -22.8% |
| Market cap | $0.1B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.44% |
| Expense ratio | – | 0.18% |
| Assets under management | – | $452.8B |
| Sector / category | US Listed | ETF · US Growth & Tech |
QQQ is a Large Growth fund from Invesco: $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.
Year-by-year returns
| Year | MED | QQQ |
|---|---|---|
| 2022 | -42.3% | -32.6% |
| 2023 | -38.3% | +54.9% |
| 2024 | -73.8% | +25.6% |
| 2025 | -39.4% | +20.8% |
| 2026 | +13.9% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MED and QQQ good diversifiers for each other?
Yes: at 0.14, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between MED and QQQ?
The MED/QQQ correlation stands at 0.14 on a 3-year window (1 year: 0.43, 5 years: 0.21), computed from weekly returns as of 2026-08-27.
Is QQQ a good diversifier for MED?
Yes: at 0.14, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of 0.14 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.
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Related comparisons
Hubs: MED correlations · QQQ correlations
