ABBV vs MRK: Correlation
Measured on weekly returns over the past three years, AbbVie (ABBV) and Merck & Co. (MRK) carry a correlation of 0.48, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ABBV and MRK?
Over the past 3 years, ABBV and MRK moved with a correlation of 0.48, which is moderate. Lately the two have moved closer together, with the 1-year correlation at 0.59 versus 0.48 over 3 years. Over 5 years the correlation is 0.45, and the annualized covariance of weekly returns is 351.2 %².
Within ABBV's tracked universe of 34 assets, MRK comes in at #7 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months MRK outperformed by 55.9 percentage points (+27.9% for ABBV against +83.8% for MRK). The rolling one-year correlation moved between 0.15 and 0.56 over the past three years, a moderate range.
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.
ABBV vs MRK: side by side
| ABBV (AbbVie) | MRK (Merck & Co.) | |
|---|---|---|
| 1-year return | +27.9% | +83.8% |
| 5-year return | +157.2% | +128.5% |
| Volatility (ann.) | 26.4% | 27.9% |
| Beta vs S&P 500 | 0.08 | 0.28 |
| Max drawdown (3Y) | -20.7% | -43.4% |
| Market cap | $456.2B | $368.9B |
| P/E (trailing) | 74.0 | 121.6 |
| Dividend yield | 2.60% | 2.17% |
| Sector / category | Health Care | Health Care |
Year-by-year returns
| Year | ABBV | MRK |
|---|---|---|
| 2022 | +24.0% | +49.4% |
| 2023 | -0.2% | +1.0% |
| 2024 | +18.9% | -6.3% |
| 2025 | +33.1% | +9.8% |
| 2026 | +15.7% | +44.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ABBV and MRK good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.48 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between ABBV and MRK?
The ABBV/MRK correlation stands at 0.48 on a 3-year window (1 year: 0.59, 5 years: 0.45), computed from weekly returns as of 2026-08-27.
Is MRK a good diversifier for ABBV?
Yes, to a useful degree: a correlation of 0.48 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.48 mean?
On the −1 to +1 scale, 0.48 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/abbv-vs-mrk.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/abbv-vs-mrk/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ABBV correlations · MRK correlations
