BMY vs CPNG: Correlation
How closely do Bristol Myers Squibb (BMY) and Coupang, Inc. (CPNG) trade together? Their weekly returns over three years give a correlation of -0.16, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BMY and CPNG?
On 3 years of weekly data the BMY/CPNG correlation comes out at -0.16, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.12) sits close to the 3-year figure. The 5-year figure is -0.05, and annualized covariance runs at -169.6 %².
Among the 31 assets we track against BMY, CPNG ranks #22 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months BMY outperformed by 89.8 percentage points (+47.3% for BMY against -42.5% for CPNG).
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.
BMY vs CPNG: side by side
| BMY (Bristol Myers Squibb) | CPNG (Coupang, Inc.) | |
|---|---|---|
| 1-year return | +47.3% | -42.5% |
| 5-year return | +22.3% | -46.1% |
| Volatility (ann.) | 27.8% | 37.4% |
| Beta vs S&P 500 | 0.20 | 0.95 |
| Max drawdown (3Y) | -34.1% | -54.9% |
| Market cap | $136.8B | $29.2B |
| P/E (trailing) | 14.9 | – |
| Dividend yield | 3.71% | 0.00% |
| Sector / category | Health Care | US Listed |
Year-by-year returns
| Year | BMY | CPNG |
|---|---|---|
| 2022 | +19.0% | -49.9% |
| 2023 | -26.1% | +10.1% |
| 2024 | +15.8% | +35.8% |
| 2025 | +0.1% | +7.3% |
| 2026 | +28.3% | -31.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BMY and CPNG good diversifiers for each other?
Yes: at -0.16, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between BMY and CPNG?
As of 2026-08-27, the correlation of weekly returns between BMY and CPNG is -0.16 over 3 years, -0.12 over 1 year and -0.05 over 5 years.
Is CPNG a good diversifier for BMY?
Yes: at -0.16, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.16 mean?
On the −1 to +1 scale, -0.16 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/bmy-vs-cpng.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/bmy-vs-cpng/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BMY correlations · CPNG correlations
