MDAI vs UMAC: Correlation
Spectral AI, Inc. (MDAI) and Unusual Machines, Inc. (UMAC) show a moderate relationship: their 3-year correlation of weekly returns is 0.38.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MDAI and UMAC?
Across a 3-year window, the weekly returns of MDAI and UMAC correlate at 0.38, moderate. The link has loosened recently: the 1-year correlation (-0.06) runs below the 3-year figure (0.38). Stretching to 5 years gives n/a, with an annualized covariance of 8492.6 %².
By 3-year correlation, UMAC places #5 of the 10 assets tracked against MDAI. Correlation aside, the last 12 months split them widely, with UMAC ahead by 179.5 points (-22.4% versus +157.1%). Risk is not evenly split, since UMAC carries 2.4 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.
MDAI vs UMAC: side by side
| MDAI (Spectral AI, Inc.) | UMAC (Unusual Machines, Inc.) | |
|---|---|---|
| 1-year return | -22.4% | +157.1% |
| 5-year return | -83.2% | n/a |
| Volatility (ann.) | 105.0% | 248.9% |
| Beta vs S&P 500 | 1.03 | 3.43 |
| Max drawdown (3Y) | -93.5% | -75.6% |
| Market cap | $0.1B | $1.3B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | MDAI | UMAC |
|---|---|---|
| 2022 | +3.0% | – |
| 2023 | -75.6% | – |
| 2024 | +15.0% | – |
| 2025 | -49.8% | -24.3% |
| 2026 | +14.8% | +106.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MDAI and UMAC good diversifiers for each other?
A fair diversifier. At 0.38, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between MDAI and UMAC?
The MDAI/UMAC correlation stands at 0.38 on a 3-year window (1 year: -0.06, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is UMAC a good diversifier for MDAI?
A fair diversifier. At 0.38, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.38 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/mdai-vs-umac.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/mdai-vs-umac/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: MDAI correlations · UMAC correlations
