BMY vs TKC: Correlation
How closely do Bristol Myers Squibb (BMY) and Turkcell Iletisim Hizmetleri AS (TKC) trade together? Their weekly returns over three years give a correlation of -0.17, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BMY and TKC?
Across a 3-year window, the weekly returns of BMY and TKC correlate at -0.17, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.19) sits close to the 3-year figure. Stretching to 5 years gives -0.07, with an annualized covariance of -152.8 %².
TKC is close to the least connected end of BMY's tracked universe, ranking #27 of 31. Correlation aside, the last 12 months split them widely, with BMY ahead by 59.9 points (+47.3% versus -12.6%).
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 TKC: side by side
| BMY (Bristol Myers Squibb) | TKC (Turkcell Iletisim Hizmetleri AS) | |
|---|---|---|
| 1-year return | +47.3% | -12.6% |
| 5-year return | +22.3% | +30.6% |
| Volatility (ann.) | 27.8% | 32.9% |
| Beta vs S&P 500 | 0.20 | 0.45 |
| Max drawdown (3Y) | -34.1% | -28.5% |
| Market cap | $136.8B | $4.7B |
| P/E (trailing) | 14.9 | 12.6 |
| Dividend yield | 3.71% | 0.00% |
| Sector / category | Health Care | US Listed |
Year-by-year returns
| Year | BMY | TKC |
|---|---|---|
| 2022 | +19.0% | +38.2% |
| 2023 | -26.1% | +2.5% |
| 2024 | +15.8% | +44.5% |
| 2025 | +0.1% | -14.3% |
| 2026 | +28.3% | -1.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BMY and TKC good diversifiers for each other?
Yes: at -0.17, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between BMY and TKC?
As of 2026-08-27, the correlation of weekly returns between BMY and TKC is -0.17 over 3 years, -0.19 over 1 year and -0.07 over 5 years.
Is TKC a good diversifier for BMY?
Yes: at -0.17, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.17 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/bmy-vs-tkc.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/bmy-vs-tkc/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BMY correlations · TKC correlations
