CTKB vs TECH: Correlation
Measured on weekly returns over the past three years, Cytek Biosciences, Inc. (CTKB) and Bio-Techne (TECH) carry a correlation of 0.51, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CTKB and TECH?
Across a 3-year window, the weekly returns of CTKB and TECH correlate at 0.51, moderate. Recent behaviour matches the longer record: 0.56 over 1 year against 0.51 over 3. Stretching to 5 years gives 0.42, with an annualized covariance of 1407.4 %².
TECH is one of the assets that tracks CTKB most closely: it ranks #3 out of the 11 assets we track against CTKB. The last year tells two different stories: TECH led by 16.6 percentage points, +13.0% for CTKB against +29.6% for TECH. One caveat on sizing: CTKB is 1.6 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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 TECH: side by side
| CTKB (Cytek Biosciences, Inc.) | TECH (Bio-Techne) | |
|---|---|---|
| 1-year return | +13.0% | +29.6% |
| 5-year return | -77.1% | -41.4% |
| Volatility (ann.) | 66.0% | 41.9% |
| Beta vs S&P 500 | 1.34 | 0.90 |
| Max drawdown (3Y) | -74.6% | -48.1% |
| Market cap | $0.6B | $11.4B |
| P/E (trailing) | – | 62.5 |
| Dividend yield | 0.00% | 0.44% |
| Sector / category | US Listed | Health Care |
Year-by-year returns
| Year | CTKB | TECH |
|---|---|---|
| 2022 | -37.4% | -35.7% |
| 2023 | -10.7% | -6.5% |
| 2024 | -28.8% | -6.2% |
| 2025 | -22.2% | -17.9% |
| 2026 | -8.5% | +23.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CTKB and TECH good diversifiers for each other?
To a limited degree. At 0.51 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between CTKB and TECH?
Using weekly returns as of 2026-08-27: 0.51 over 3 years, with 0.56 over the last year and 0.42 over 5 years.
Is TECH a good diversifier for CTKB?
To a limited degree. At 0.51 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.51 mean?
On the −1 to +1 scale, 0.51 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/ctkb-vs-tech.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/ctkb-vs-tech/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CTKB correlations · TECH correlations
