ERNA vs GBTG: Correlation
Measured on weekly returns over the past three years, Ernexa Therapeutics Inc. (ERNA) and Global Business Travel Group, Inc. (GBTG) 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 ERNA and GBTG?
On 3 years of weekly data the ERNA/GBTG correlation comes out at 0.41, moderate. Lately the two have moved closer together, with the 1-year correlation at 0.62 versus 0.41 over 3 years. The 5-year figure is 0.29, and annualized covariance runs at 2736.9 %².
GBTG is one of the assets that tracks ERNA most closely: it ranks #1 out of the 14 assets we track against ERNA. Correlation aside, the last 12 months split them widely, with GBTG ahead by 101.2 points (-86.4% versus +14.8%). Note the risk asymmetry: ERNA runs 2.6 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
ERNA vs GBTG: side by side
| ERNA (Ernexa Therapeutics Inc.) | GBTG (Global Business Travel Group, Inc.) | |
|---|---|---|
| 1-year return | -86.4% | +14.8% |
| 5-year return | -100.0% | n/a |
| Volatility (ann.) | 131.2% | 50.5% |
| Beta vs S&P 500 | 1.62 | 1.39 |
| Max drawdown (3Y) | -99.7% | -48.0% |
| Market cap | – | $4.9B |
| P/E (trailing) | – | 59.1 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ERNA | GBTG |
|---|---|---|
| 2022 | -96.1% | – |
| 2023 | -44.1% | -4.4% |
| 2024 | -83.9% | +43.9% |
| 2025 | -72.4% | -17.6% |
| 2026 | -84.2% | +23.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ERNA and GBTG 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 ERNA and GBTG?
Using weekly returns as of 2026-08-27: 0.41 over 3 years, with 0.62 over the last year and 0.29 over 5 years.
Is GBTG a good diversifier for ERNA?
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/erna-vs-gbtg.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/erna-vs-gbtg/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: ERNA correlations · GBTG correlations
