GBR vs KOS: Correlation
How closely do New Concept Energy, Inc (GBR) and Kosmos Energy Ltd. (KOS) trade together? Their weekly returns over three years give a correlation of 0.35, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GBR and KOS?
Over the past 3 years, GBR and KOS moved with a correlation of 0.35, which is moderate. Lately the two have moved closer together, with the 1-year correlation at 0.48 versus 0.35 over 3 years. Over 5 years the correlation is 0.40, and the annualized covariance of weekly returns is 1377.5 %².
Among the 10 assets we track against GBR, KOS ranks #4 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months KOS outperformed by 69.3 percentage points (-12.5% for GBR against +56.8% for KOS).
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.
GBR vs KOS: side by side
| GBR (New Concept Energy, Inc) | KOS (Kosmos Energy Ltd.) | |
|---|---|---|
| 1-year return | -12.5% | +56.8% |
| 5-year return | -81.2% | +24.8% |
| Volatility (ann.) | 58.4% | 67.5% |
| Beta vs S&P 500 | 0.50 | 0.59 |
| Max drawdown (3Y) | -65.0% | -89.4% |
| Market cap | – | $1.7B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | GBR | KOS |
|---|---|---|
| 2022 | -54.2% | +83.8% |
| 2023 | -8.3% | +5.5% |
| 2024 | +16.0% | -49.0% |
| 2025 | -35.3% | -73.4% |
| 2026 | +0.3% | +215.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GBR and KOS good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.35 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between GBR and KOS?
The GBR/KOS correlation stands at 0.35 on a 3-year window (1 year: 0.48, 5 years: 0.40), computed from weekly returns as of 2026-08-27.
Is KOS a good diversifier for GBR?
Yes, to a useful degree: a correlation of 0.35 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.35 mean?
On the −1 to +1 scale, 0.35 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/gbr-vs-kos.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/gbr-vs-kos/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: GBR correlations · KOS correlations
