CNCK vs POST: Correlation
How closely do Coincheck Group N.V. (CNCK) and Post Holdings, Inc. (POST) trade together? Their weekly returns over three years give a correlation of -0.25, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CNCK and POST?
On 3 years of weekly data the CNCK/POST correlation comes out at -0.25, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.31) sits close to the 3-year figure. The 5-year figure is -0.19, and annualized covariance runs at -519.8 %².
Among the 14 assets we track against CNCK, POST sits near the bottom by co-movement, at rank #14. Correlation aside, the last 12 months split them widely, with POST ahead by 31.6 points (-59.7% versus -28.1%). One caveat on sizing: CNCK is 4.0 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.
CNCK vs POST: side by side
| CNCK (Coincheck Group N.V.) | POST (Post Holdings, Inc.) | |
|---|---|---|
| 1-year return | -59.7% | -28.1% |
| 5-year return | -78.6% | +11.2% |
| Volatility (ann.) | 91.0% | 23.0% |
| Beta vs S&P 500 | 0.99 | 0.11 |
| Max drawdown (3Y) | -89.9% | -36.9% |
| Market cap | $0.4B | $3.7B |
| P/E (trailing) | – | 14.9 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CNCK | POST |
|---|---|---|
| 2022 | +1.8% | +22.3% |
| 2023 | +2.9% | -2.4% |
| 2024 | -13.0% | +30.0% |
| 2025 | -71.7% | -13.5% |
| 2026 | -17.5% | -17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CNCK and POST good diversifiers for each other?
Yes. With a correlation of -0.25, CNCK and POST have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between CNCK and POST?
Using weekly returns as of 2026-08-27: -0.25 over 3 years, with -0.31 over the last year and -0.19 over 5 years.
Is POST a good diversifier for CNCK?
Yes. With a correlation of -0.25, CNCK and POST have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.25 mean?
On the −1 to +1 scale, -0.25 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.
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Related comparisons
Hubs: CNCK correlations · POST correlations
