MAMA vs SOTK: Correlation
How closely do Mama's Creations, Inc. (MAMA) and Sono-Tek Corporation (SOTK) trade together? Their weekly returns over three years give a correlation of 0.29, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MAMA and SOTK?
On 3 years of weekly data the MAMA/SOTK correlation comes out at 0.29, weak. The relationship has been stable: the 1-year correlation (0.21) sits close to the 3-year figure. The 5-year figure is 0.14, and annualized covariance runs at 487.9 %².
Among the 11 assets we track against MAMA, SOTK ranks #6 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months MAMA outperformed by 37.3 percentage points (+87.4% for MAMA against +50.1% for SOTK).
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.
MAMA vs SOTK: side by side
| MAMA (Mama's Creations, Inc.) | SOTK (Sono-Tek Corporation) | |
|---|---|---|
| 1-year return | +87.4% | +50.1% |
| 5-year return | +535.7% | +46.2% |
| Volatility (ann.) | 49.3% | 33.8% |
| Beta vs S&P 500 | 0.49 | 0.46 |
| Max drawdown (3Y) | -42.5% | -46.5% |
| Market cap | $0.7B | $0.1B |
| P/E (trailing) | 106.8 | 38.7 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | MAMA | SOTK |
|---|---|---|
| 2022 | -10.7% | -13.6% |
| 2023 | +173.5% | -15.7% |
| 2024 | +62.1% | -25.9% |
| 2025 | +69.5% | +3.0% |
| 2026 | +18.8% | +21.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MAMA and SOTK good diversifiers for each other?
A fair diversifier. At 0.29, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between MAMA and SOTK?
Using weekly returns as of 2026-08-27: 0.29 over 3 years, with 0.21 over the last year and 0.14 over 5 years.
Is SOTK a good diversifier for MAMA?
A fair diversifier. At 0.29, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.29 mean?
On the −1 to +1 scale, 0.29 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
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[](https://www.pairbook.io/pair/mama-vs-sotk/)
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Related comparisons
Hubs: MAMA correlations · SOTK correlations
