AIIO vs CTKB: Correlation
How closely do Robo.ai Inc. - Class B (AIIO) and Cytek Biosciences, Inc. (CTKB) trade together? Their weekly returns over three years give a correlation of -0.28, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AIIO and CTKB?
Across a 3-year window, the weekly returns of AIIO and CTKB correlate at -0.28, negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.39 versus -0.28 over 3 years. Stretching to 5 years gives -0.23, with an annualized covariance of -5104.5 %².
Within AIIO's tracked universe of 35 assets, CTKB comes in at #27 by 3-year correlation. Correlation aside, the last 12 months split them widely, with CTKB ahead by 104.3 points (-91.3% versus +13.0%). Note the risk asymmetry: AIIO runs 4.3 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
AIIO vs CTKB: side by side
| AIIO (Robo.ai Inc. - Class B) | CTKB (Cytek Biosciences, Inc.) | |
|---|---|---|
| 1-year return | -91.3% | +13.0% |
| 5-year return | -98.8% | -77.1% |
| Volatility (ann.) | 280.6% | 66.0% |
| Beta vs S&P 500 | 0.74 | 1.34 |
| Max drawdown (3Y) | -99.7% | -74.6% |
| Market cap | $0.4B | $0.6B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AIIO | CTKB |
|---|---|---|
| 2022 | -9.2% | -37.4% |
| 2023 | -27.5% | -10.7% |
| 2024 | -91.0% | -28.8% |
| 2025 | -56.6% | -22.2% |
| 2026 | -61.3% | -8.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AIIO and CTKB good diversifiers for each other?
Yes: at -0.28, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between AIIO and CTKB?
Using weekly returns as of 2026-08-27: -0.28 over 3 years, with -0.39 over the last year and -0.23 over 5 years.
Is CTKB a good diversifier for AIIO?
Yes: at -0.28, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.28 mean?
A reading of -0.28 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/aiio-vs-ctkb.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/aiio-vs-ctkb/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: AIIO correlations · CTKB correlations
