CME vs POST: Correlation
How closely do CME Group (CME) and Post Holdings, Inc. (POST) trade together? Their weekly returns over three years give a correlation of 0.27, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CME and POST?
On 3 years of weekly data the CME/POST correlation comes out at 0.27, weak. The past 12 months show a tighter link (0.46) than the 3-year average (0.27). The 5-year figure is 0.19, and annualized covariance runs at 122.8 %².
Among the 47 assets we track against CME, POST ranks #12 by 3-year correlation. Correlation aside, the last 12 months split them widely, with CME ahead by 36.2 points (+8.1% versus -28.1%).
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.
CME vs POST: side by side
| CME (CME Group) | POST (Post Holdings, Inc.) | |
|---|---|---|
| 1-year return | +8.1% | -28.1% |
| 5-year return | +73.9% | +11.2% |
| Volatility (ann.) | 20.0% | 23.0% |
| Beta vs S&P 500 | 0.12 | 0.11 |
| Max drawdown (3Y) | -31.1% | -36.9% |
| Market cap | $101.0B | $3.7B |
| P/E (trailing) | 23.8 | 14.9 |
| Dividend yield | 1.82% | 0.00% |
| Sector / category | Financials | US Listed |
Year-by-year returns
| Year | CME | POST |
|---|---|---|
| 2022 | -22.9% | +22.3% |
| 2023 | +31.3% | -2.4% |
| 2024 | +15.4% | +30.0% |
| 2025 | +19.8% | -13.5% |
| 2026 | +5.9% | -17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CME and POST good diversifiers for each other?
A fair diversifier. At 0.27, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between CME and POST?
The CME/POST correlation stands at 0.27 on a 3-year window (1 year: 0.46, 5 years: 0.19), computed from weekly returns as of 2026-08-27.
Is POST a good diversifier for CME?
A fair diversifier. At 0.27, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.27 mean?
On the −1 to +1 scale, 0.27 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
$ curl https://www.pairbook.io/api/v1/pairs/cme-vs-post.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/cme-vs-post/)
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Related comparisons
Hubs: CME correlations · POST correlations
