CTKB vs QQQ: Correlation
Measured on weekly returns over the past three years, Cytek Biosciences, Inc. (CTKB) and Invesco QQQ Trust (QQQ) carry a correlation of 0.24, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CTKB and QQQ?
Over the past 3 years, CTKB and QQQ moved with a correlation of 0.24, which is weak. The past 12 months show a weaker link (-0.04) than the 3-year average (0.24). Over 5 years the correlation is 0.26, and the annualized covariance of weekly returns is 307.4 %².
Among the 11 assets we track against CTKB, QQQ sits near the bottom by co-movement, at rank #8. Over the last 12 months QQQ came out ahead by 13.3 percentage points (+13.0% against +26.3%). One caveat on sizing: CTKB is 3.4 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 QQQ: side by side
| CTKB (Cytek Biosciences, Inc.) | QQQ (Invesco QQQ Trust) | |
|---|---|---|
| 1-year return | +13.0% | +26.3% |
| 5-year return | -77.1% | +95.4% |
| Volatility (ann.) | 66.0% | 19.6% |
| Beta vs S&P 500 | 1.34 | 1.28 |
| Max drawdown (3Y) | -74.6% | -22.8% |
| Market cap | $0.6B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.44% |
| Expense ratio | – | 0.18% |
| Assets under management | – | $452.8B |
| Sector / category | US Listed | ETF · US Growth & Tech |
QQQ is a Large Growth fund from Invesco: $452.8B under management, 104 holdings, a 0.18% expense ratio, a 0.44% trailing dividend yield.
Year-by-year returns
| Year | CTKB | QQQ |
|---|---|---|
| 2022 | -37.4% | -32.6% |
| 2023 | -10.7% | +54.9% |
| 2024 | -28.8% | +25.6% |
| 2025 | -22.2% | +20.8% |
| 2026 | -8.5% | +17.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CTKB and QQQ good diversifiers for each other?
A fair diversifier. At 0.24, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between CTKB and QQQ?
Using weekly returns as of 2026-08-27: 0.24 over 3 years, with -0.04 over the last year and 0.26 over 5 years.
Is QQQ a good diversifier for CTKB?
A fair diversifier. At 0.24, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.24 mean?
A reading of 0.24 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/ctkb-vs-qqq.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/ctkb-vs-qqq/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CTKB correlations · QQQ correlations
