SELF vs SMTK: Correlation
Global Self Storage, Inc. (SELF) and SmartKem, Inc. (SMTK) show a negative relationship: their 3-year correlation of weekly returns is -0.26.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SELF and SMTK?
Across a 3-year window, the weekly returns of SELF and SMTK correlate at -0.26, negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.43 versus -0.26 over 3 years. Stretching to 5 years gives n/a, with an annualized covariance of -632.2 %².
Out of 14 assets tracked against SELF, SMTK lands near the bottom at #11. The last year tells two different stories: SELF led by 99.1 percentage points, +10.0% for SELF against -89.1% for SMTK. Note the risk asymmetry: SMTK runs 7.6 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.
SELF vs SMTK: side by side
| SELF (Global Self Storage, Inc.) | SMTK (SmartKem, Inc.) | |
|---|---|---|
| 1-year return | +10.0% | -89.1% |
| 5-year return | +36.6% | n/a |
| Volatility (ann.) | 20.6% | 155.8% |
| Beta vs S&P 500 | 0.15 | -0.16 |
| Max drawdown (3Y) | -15.9% | -99.2% |
| Market cap | $0.1B | – |
| P/E (trailing) | 31.1 | – |
| Dividend yield | 5.14% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | SELF | SMTK |
|---|---|---|
| 2022 | -10.0% | – |
| 2023 | +0.8% | – |
| 2024 | +22.0% | – |
| 2025 | +1.2% | -63.3% |
| 2026 | +13.0% | -93.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SELF and SMTK good diversifiers for each other?
By historical standards, yes. A correlation of -0.26 means the two rarely move for the same reasons.
FAQ
What is the correlation between SELF and SMTK?
The SELF/SMTK correlation stands at -0.26 on a 3-year window (1 year: -0.43, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is SMTK a good diversifier for SELF?
By historical standards, yes. A correlation of -0.26 means the two rarely move for the same reasons.
What does a correlation of -0.26 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/self-vs-smtk.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/self-vs-smtk/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: SELF correlations · SMTK correlations
