KO vs POST: Correlation
Measured on weekly returns over the past three years, Coca-Cola Company (The) (KO) and Post Holdings, Inc. (POST) carry a correlation of 0.43, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are KO and POST?
Over the past 3 years, KO and POST moved with a correlation of 0.43, which is moderate. Little has changed lately, as the 1-year reading of 0.40 lands near the 3-year figure. Over 5 years the correlation is 0.43, and the annualized covariance of weekly returns is 151.3 %².
Among the 43 assets we track against KO, POST ranks #18 by 3-year correlation. The last year tells two different stories: KO led by 61.2 percentage points, +33.1% for KO against -28.1% for POST.
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.
KO vs POST: side by side
| KO (Coca-Cola Company (The)) | POST (Post Holdings, Inc.) | |
|---|---|---|
| 1-year return | +33.1% | -28.1% |
| 5-year return | +83.8% | +11.2% |
| Volatility (ann.) | 15.4% | 23.0% |
| Beta vs S&P 500 | 0.11 | 0.11 |
| Max drawdown (3Y) | -15.5% | -36.9% |
| Market cap | $383.2B | $3.7B |
| P/E (trailing) | 27.0 | 14.9 |
| Dividend yield | 2.31% | 0.00% |
| Sector / category | Consumer Staples | US Listed |
Year-by-year returns
| Year | KO | POST |
|---|---|---|
| 2022 | +10.6% | +22.3% |
| 2023 | -4.4% | -2.4% |
| 2024 | +8.9% | +30.0% |
| 2025 | +15.6% | -13.5% |
| 2026 | +29.1% | -17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are KO and POST good diversifiers for each other?
Reasonably. At 0.43, KO and POST keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between KO and POST?
As of 2026-08-27, the correlation of weekly returns between KO and POST is 0.43 over 3 years, 0.40 over 1 year and 0.43 over 5 years.
Is POST a good diversifier for KO?
Reasonably. At 0.43, KO and POST keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.43 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/ko-vs-post.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/ko-vs-post/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: KO correlations · POST correlations
