GEOS vs SST: Correlation
How closely do Geospace Technologies Corporation (GEOS) and System1, Inc. (SST) trade together? Their weekly returns over three years give a correlation of 0.31, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GEOS and SST?
Across a 3-year window, the weekly returns of GEOS and SST correlate at 0.31, moderate. The link has loosened recently: the 1-year correlation (0.20) runs below the 3-year figure (0.31). Stretching to 5 years gives 0.26, with an annualized covariance of 4097.0 %².
Few assets follow GEOS as closely as SST, which ranks #3 of 15 tracked partners. Their 12-month results are close: -74.2% for GEOS against -75.5% for SST. Note the risk asymmetry: SST runs 1.8 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.
GEOS vs SST: side by side
| GEOS (Geospace Technologies Corporation) | SST (System1, Inc.) | |
|---|---|---|
| 1-year return | -74.2% | -75.5% |
| 5-year return | -48.1% | -98.1% |
| Volatility (ann.) | 86.6% | 151.9% |
| Beta vs S&P 500 | 0.66 | 0.94 |
| Max drawdown (3Y) | -81.9% | -95.2% |
| Market cap | $0.1B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | GEOS | SST |
|---|---|---|
| 2022 | -36.9% | -52.9% |
| 2023 | +207.1% | -52.7% |
| 2024 | -22.7% | -59.5% |
| 2025 | +68.8% | -56.3% |
| 2026 | -69.1% | -52.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GEOS and SST good diversifiers for each other?
Reasonably. At 0.31, GEOS and SST keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between GEOS and SST?
Using weekly returns as of 2026-08-27: 0.31 over 3 years, with 0.20 over the last year and 0.26 over 5 years.
Is SST a good diversifier for GEOS?
Reasonably. At 0.31, GEOS and SST keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.31 mean?
On the −1 to +1 scale, 0.31 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/geos-vs-sst.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/geos-vs-sst/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: GEOS correlations · SST correlations
