MTEX vs OTTR: Correlation
Mannatech, Incorporated (MTEX) and Otter Tail Corporation (OTTR) show a negative relationship: their 3-year correlation of weekly returns is -0.19.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MTEX and OTTR?
Across a 3-year window, the weekly returns of MTEX and OTTR correlate at -0.19, negative, meaning they tend to move in opposite directions. The link has loosened recently: the 1-year correlation (-0.30) runs below the 3-year figure (-0.19). Stretching to 5 years gives -0.09, with an annualized covariance of -330.6 %².
Among the 34 assets we track against MTEX, OTTR ranks #12 by 3-year correlation. Correlation aside, the last 12 months split them widely, with OTTR ahead by 39.2 points (-28.5% versus +10.7%). Risk is not evenly split, since MTEX carries 2.5 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.
MTEX vs OTTR: side by side
| MTEX (Mannatech, Incorporated) | OTTR (Otter Tail Corporation) | |
|---|---|---|
| 1-year return | -28.5% | +10.7% |
| 5-year return | -79.1% | +88.2% |
| Volatility (ann.) | 65.8% | 26.7% |
| Beta vs S&P 500 | 0.48 | 0.57 |
| Max drawdown (3Y) | -74.9% | -27.1% |
| Market cap | – | $3.8B |
| P/E (trailing) | – | 19.9 |
| Dividend yield | 0.00% | 2.39% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | MTEX | OTTR |
|---|---|---|
| 2022 | -51.7% | -15.6% |
| 2023 | -53.5% | +48.1% |
| 2024 | +65.8% | -11.2% |
| 2025 | -38.6% | +12.3% |
| 2026 | -23.3% | +15.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MTEX and OTTR good diversifiers for each other?
Yes. With a correlation of -0.19, MTEX and OTTR have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between MTEX and OTTR?
As of 2026-08-27, the correlation of weekly returns between MTEX and OTTR is -0.19 over 3 years, -0.30 over 1 year and -0.09 over 5 years.
Is OTTR a good diversifier for MTEX?
Yes. With a correlation of -0.19, MTEX and OTTR have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.19 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/mtex-vs-ottr.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/mtex-vs-ottr/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: MTEX correlations · OTTR correlations
