Cytek BioSciences Inc
Cytek BioSciences Inc (CTKB) Unusual Options Activity Today
CTKB options volume power reached 0x on the previous trading day. The highest reading was on the $2.5 CALL expiring 2026-10-16.
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Checking CTKB unusual options activity helps you spot when traders are making outsized bets on Cytek BioSciences Inc before the broader market catches on. Cytek BioSciences Inc's unusual options activity flags contracts trading at multiples of their average daily volume, often signaling that informed money is positioning ahead of a catalyst. Use our scanner to monitor CTKB unusual options activity today and surface the prints that deserve a second look.
Unusual options flow typically refers to trades where volume vastly exceeds open interest at a given strike, or where total contract volume on a name spikes well above its norm. Watching CTKB unusual options flow today can reveal large block trades, sweeps across exchanges, and aggressive directional bets. Tracking CTKB unusual options volume across calls and puts helps you separate hedging activity from genuinely speculative positioning, and CTKB unusual options flow data becomes especially valuable around earnings, product launches, and macro events.
Cytek Biosciences, Inc., a cell analysis solutions company, provides cell analysis tools that facilitates scientific advances in biomedical research and clinical applications. It offers aurora and northern lights systems, which are spectrum flow cytometers that delivers cell analysis by utilizing the fluorescence signatures from multiple lasers to distinguish fluorescent tags on single cells; and aurora cell sorter system, which leverages full spectrum profiling technology to further broaden potential applications across cell analysis. The company also provides reagents and kits, including cFluor reagents, which are fluorochrome conjugated antibodies used to identify cells of interest for analysis on its instruments, as well as 25-color immunoprofiling assay that provides turnkey solutions for identifying major human immune subpopulations for TBNK cells, monocytes, dendritic cells, and basophils.
In addition, it offers automated micro-sampling system and automated sample loader system, which are automated plate loaders to integrate seamlessly into the aurora and northern lights systems; SpectroFlo software that provides intuitive workflow from quality control to data analysis for aurora and northern lights systems; and customer support tools. The company serves pharmaceutical and biopharma companies, academic research centers, and clinical research organizations. It distributes its products through direct sales force and support organizations in North America, Europe, China, and the Asia-Pacific region; and through distributors or sales agents in European, Latin American, the Middle Eastern, and the Asia-Pacific countries. The company was formerly known as Cytoville, Inc. and changed its name to Cytek Biosciences, Inc. in August 2015. Cytek Biosciences, Inc. was founded in 1992 and is headquartered in Fremont, California.
Catalysts rarely arrive without a footprint, and CTKB unusual options activity is often where that footprint shows up first. Our scanner tracks Cytek BioSciences Inc's unusual options flow in real time, ranks prints by volume-to-open-interest, premium spent, and aggressor side, and separates real conviction from noise. Whether you're looking at CTKB unusual options volume on the call side or chasing put sweeps, Cytek BioSciences Inc's unusual options flow today is one click away, so put it on your radar before the headlines hit.
| 2.50 | 0.70 | 5.50 | 3.10 | 41% | 0 | 6 | 0.00% |
| 5.00 | — | 3.50 | 3.50 | 733% | 0 | 13 | 0.00% |
| 7.50 | — | 0.20 | 0.20 | 136% | 0 | 20 | 0.00% |
| 2.50 | — | 0.05 | 0.05 | 242% | 0 | 2 | 0.00% |
| 5.00 | 0.05 | 4.10 | 2.08 | 548% | 0 | 7 | 0.00% |
| 7.50 | — | 4.90 | 4.90 | 770% | 0 | 0 | — |
As of September 28, 2026
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