SMTK vs UMAC: Correlation
Measured on weekly returns over the past three years, SmartKem, Inc. (SMTK) and Unusual Machines, Inc. (UMAC) carry a correlation of 0.43, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SMTK and UMAC?
Across a 3-year window, the weekly returns of SMTK and UMAC correlate at 0.43, moderate. The link has loosened recently: the 1-year correlation (0.13) runs below the 3-year figure (0.43). Stretching to 5 years gives n/a, with an annualized covariance of 17384.1 %².
Few assets follow SMTK as closely as UMAC, which ranks #2 of 15 tracked partners. Their recent paths diverged sharply: over the last 12 months UMAC outperformed by 246.2 percentage points (-89.1% for SMTK against +157.1% for UMAC). Risk is not evenly split, since UMAC carries 1.6 times the volatility of the other side.
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.
SMTK vs UMAC: side by side
| SMTK (SmartKem, Inc.) | UMAC (Unusual Machines, Inc.) | |
|---|---|---|
| 1-year return | -89.1% | +157.1% |
| 5-year return | n/a | n/a |
| Volatility (ann.) | 155.8% | 248.9% |
| Beta vs S&P 500 | -0.16 | 3.43 |
| Max drawdown (3Y) | -99.2% | -75.6% |
| Market cap | – | $1.3B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Are SMTK and UMAC good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.43 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between SMTK and UMAC?
The SMTK/UMAC correlation stands at 0.43 on a 3-year window (1 year: 0.13, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is UMAC a good diversifier for SMTK?
Yes, to a useful degree: a correlation of 0.43 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.43 mean?
On the −1 to +1 scale, 0.43 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/smtk-vs-umac.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/smtk-vs-umac/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: SMTK correlations · UMAC correlations
