EBS vs GME: Correlation
Measured on weekly returns over the past three years, Emergent BioSolutions Inc. (EBS) and GameStop Corporation (GME) carry a correlation of 0.41, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EBS and GME?
Across a 3-year window, the weekly returns of EBS and GME correlate at 0.41, moderate. The relationship has been stable: the 1-year correlation (0.31) sits close to the 3-year figure. Stretching to 5 years gives 0.27, with an annualized covariance of 2871.8 %².
Among the 15 assets we track against EBS, GME ranks #7 by 3-year correlation. The trailing year gives GME the advantage: -30.8% versus -18.9%, a 11.9-point spread. One caveat on sizing: EBS is 2.1 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.
EBS vs GME: side by side
| EBS (Emergent BioSolutions Inc.) | GME (GameStop Corporation) | |
|---|---|---|
| 1-year return | -30.8% | -18.9% |
| 5-year return | -90.7% | -65.1% |
| Volatility (ann.) | 122.0% | 57.6% |
| Beta vs S&P 500 | 2.69 | 0.61 |
| Max drawdown (3Y) | -71.2% | -63.2% |
| Market cap | $0.3B | $8.2B |
| P/E (trailing) | – | 13.4 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | EBS | GME |
|---|---|---|
| 2022 | -72.8% | -50.2% |
| 2023 | -79.7% | -5.0% |
| 2024 | +298.3% | +78.8% |
| 2025 | +29.3% | -35.9% |
| 2026 | -51.9% | -9.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EBS and GME good diversifiers for each other?
A fair diversifier. At 0.41, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between EBS and GME?
The EBS/GME correlation stands at 0.41 on a 3-year window (1 year: 0.31, 5 years: 0.27), computed from weekly returns as of 2026-08-27.
Is GME a good diversifier for EBS?
A fair diversifier. At 0.41, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.41 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/ebs-vs-gme.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ebs-vs-gme/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: EBS correlations · GME correlations
