CTKB vs TBPH: Correlation
Measured on weekly returns over the past three years, Cytek Biosciences, Inc. (CTKB) and Theravance Biopharma, Inc. (TBPH) carry a correlation of 0.45, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CTKB and TBPH?
On 3 years of weekly data the CTKB/TBPH correlation comes out at 0.45, moderate. Recent behaviour matches the longer record: 0.39 over 1 year against 0.45 over 3. The 5-year figure is 0.28, and annualized covariance runs at 1250.4 %².
By 3-year correlation, TBPH places #6 of the 11 assets tracked against CTKB. Over the last 12 months TBPH came out ahead by 10.5 percentage points (+13.0% against +23.5%). Risk is not evenly split, since CTKB carries 1.6 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.
CTKB vs TBPH: side by side
| CTKB (Cytek Biosciences, Inc.) | TBPH (Theravance Biopharma, Inc.) | |
|---|---|---|
| 1-year return | +13.0% | +23.5% |
| 5-year return | -77.1% | +102.9% |
| Volatility (ann.) | 66.0% | 42.5% |
| Beta vs S&P 500 | 1.34 | 0.92 |
| Max drawdown (3Y) | -74.6% | -34.6% |
| Market cap | $0.6B | $0.9B |
| P/E (trailing) | – | 16.4 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CTKB | TBPH |
|---|---|---|
| 2022 | -37.4% | +1.5% |
| 2023 | -10.7% | +0.2% |
| 2024 | -28.8% | -16.3% |
| 2025 | -22.2% | +98.8% |
| 2026 | -8.5% | -8.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CTKB and TBPH good diversifiers for each other?
A fair diversifier. At 0.45, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between CTKB and TBPH?
The CTKB/TBPH correlation stands at 0.45 on a 3-year window (1 year: 0.39, 5 years: 0.28), computed from weekly returns as of 2026-08-27.
Is TBPH a good diversifier for CTKB?
A fair diversifier. At 0.45, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.45 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/ctkb-vs-tbph.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ctkb-vs-tbph/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CTKB correlations · TBPH correlations
