AMIX vs POST: Correlation
Autonomix Medical, Inc. (AMIX) and Post Holdings, Inc. (POST) show a negative relationship: their 3-year correlation of weekly returns is -0.34.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AMIX and POST?
Over the past 3 years, AMIX and POST moved with a correlation of -0.34, which is negative, meaning they tend to move in opposite directions. The link has loosened recently: the 1-year correlation (-0.51) runs below the 3-year figure (-0.34). Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is -1464.4 %².
POST is close to the least connected end of AMIX's tracked universe, ranking #23 of 23. Correlation aside, the last 12 months split them widely, with POST ahead by 49.2 points (-77.3% versus -28.1%). One caveat on sizing: AMIX is 8.0 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
AMIX vs POST: side by side
| AMIX (Autonomix Medical, Inc.) | POST (Post Holdings, Inc.) | |
|---|---|---|
| 1-year return | -77.3% | -28.1% |
| 5-year return | n/a | +11.2% |
| Volatility (ann.) | 183.2% | 23.0% |
| Beta vs S&P 500 | 1.55 | 0.11 |
| Max drawdown (3Y) | -99.9% | -36.9% |
| Market cap | – | $3.7B |
| P/E (trailing) | – | 14.9 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AMIX | POST |
|---|---|---|
| 2022 | – | +22.3% |
| 2023 | – | -2.4% |
| 2024 | – | +30.0% |
| 2025 | -85.4% | -13.5% |
| 2026 | -51.3% | -17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AMIX and POST good diversifiers for each other?
Yes: at -0.34, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between AMIX and POST?
Using weekly returns as of 2026-08-27: -0.34 over 3 years, with -0.51 over the last year and n/a over 5 years.
Is POST a good diversifier for AMIX?
Yes: at -0.34, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.34 mean?
A reading of -0.34 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/amix-vs-post.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/amix-vs-post/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: AMIX correlations · POST correlations
