AP vs BRBR: Correlation
How closely do Ampco-Pittsburgh Corporation (AP) and BellRing Brands, Inc. (BRBR) trade together? Their weekly returns over three years give a correlation of -0.24, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AP and BRBR?
Over the past 3 years, AP and BRBR moved with a correlation of -0.24, which is negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.30 lands near the 3-year figure. Over 5 years the correlation is -0.16, and the annualized covariance of weekly returns is -1160.4 %².
BRBR is close to the least connected end of AP's tracked universe, ranking #13 of 14. Their recent paths diverged sharply: over the last 12 months AP outperformed by 307.4 percentage points (+232.6% for AP against -74.8% for BRBR). Risk is not evenly split, since AP carries 1.8 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.
AP vs BRBR: side by side
| AP (Ampco-Pittsburgh Corporation) | BRBR (BellRing Brands, Inc.) | |
|---|---|---|
| 1-year return | +232.6% | -74.8% |
| 5-year return | +90.5% | -68.8% |
| Volatility (ann.) | 94.5% | 51.5% |
| Beta vs S&P 500 | 1.63 | 0.49 |
| Max drawdown (3Y) | -77.6% | -90.0% |
| Market cap | $0.2B | $1.2B |
| P/E (trailing) | – | 7.6 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AP | BRBR |
|---|---|---|
| 2022 | -49.8% | -10.1% |
| 2023 | +8.8% | +116.2% |
| 2024 | -23.4% | +35.9% |
| 2025 | +155.0% | -64.5% |
| 2026 | +72.2% | -61.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AP and BRBR good diversifiers for each other?
By historical standards, yes. A correlation of -0.24 means the two rarely move for the same reasons.
FAQ
What is the correlation between AP and BRBR?
As of 2026-08-27, the correlation of weekly returns between AP and BRBR is -0.24 over 3 years, -0.30 over 1 year and -0.16 over 5 years.
Is BRBR a good diversifier for AP?
By historical standards, yes. A correlation of -0.24 means the two rarely move for the same reasons.
What does a correlation of -0.24 mean?
A reading of -0.24 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/ap-vs-brbr.json
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The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: AP correlations · BRBR correlations
