Cytosorbents Corp
Cytosorbents Corp (CTSO) Options Open Interest
CTSO options open interest is — contracts. The 2-week average daily volume is 6 contracts across the chain.
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Monitoring CTSO open interest helps you see where real money is positioned on Cytosorbents Corp's options and which strikes are attracting the most commitment from traders. Cytosorbents Corp's open interest reflects the total number of outstanding contracts that have not been closed or exercised, making it a powerful gauge of liquidity, conviction, and potential support and resistance zones. Use our scanner to monitor CTSO options open interest in real time and find the strikes that matter.
Open interest is distinct from volume: volume counts how many contracts are traded in a session, while open interest counts how many remain open at the end of the day. Rising CTSO options open interest alongside rising volume suggests new positions are being built, while falling open interest signals positions are being closed. Heavy open interest at specific strikes often acts as a magnet near expiration and can hint at where dealers and large traders expect Cytosorbents Corp to settle.
Cytosorbents Corporation engages in the research, development, and commercialization of medical devices with its blood purification technology platform incorporating a proprietary adsorbent and porous polymer technology. Its flagship product is CytoSorb, an extracorporeal cytokine filter for adjunctive therapy in the treatment of sepsis, adjunctive therapy in other critical care applications, prevention and treatment of perioperative complications of cardiopulmonary bypass surgery, and maintaining or enhancing the quality of solid organs harvested from donors for organ transplant. The company also develops VetResQ, a device for adjunctive therapy in the treatment of sepsis, pancreatitis, and other critical illnesses in animals; CytoSorb-XL, a device for adjunctive therapy in the treatment of sepsis and other critical illnesses; HemoDefend blood purification technology platform to reduce contaminants in the blood supply that can cause transfusion reactions or disease when administering blood and blood products to patients, as well as removal of anti-A and anti-B blood group antibodies from fresh whole blood and plasma; K+ontrol for treatment of severe hyperkalemia in patients with life-threatening conditions; and ContrastSorb for the removal of IV contrast in blood administered during CT imaging, an angiogram, or during a vascular interventional radiology procedure to reduce the risk of contrast-induced nephropathy.
In addition, it is involved in the development of BetaSorb, a device for the prevention and treatment of health complications caused by the accumulation of metabolic toxins in patients with chronic renal failure; DrugSorb, a device to remove toxic chemicals from the blood; and DrugSorb-ATR, an antithrombotic removal system. The company was formerly known as MedaSorb Technologies Corporation and changed its name to Cytosorbents Corporation in May 2010. Cytosorbents Corporation was founded in 1997 and is headquartered in Princeton, New Jersey.
Pin risk into expiration, dealer positioning, liquidity checks for large orders — all of it starts with knowing where CTSO open interest is concentrated. Our scanner maps Cytosorbents Corp's open interest across every strike and expiry, flags unusual buildups, and lets you drill into the contracts that institutional money is actually holding. Trade Cytosorbents Corp's options open interest as the signal it is, not as an afterthought.
| 2.50 | — | 3.80 | 3.80 | 1,000% | +0.4806 | 1 |
| 5.00 | — | 3.80 | 3.80 | 1,000% | +0.3419 | 1 |
| 7.50 | — | 0.05 | 0.05 | 983% | +0.2542 | 0 |
| 2.50 | — | 4.70 | 4.70 | 1,000% | -0.5195 | 10 |
| 5.00 | 2.15 | 7.20 | 4.68 | 819% | -0.8122 | 10 |
| 7.50 | 4.60 | 9.70 | 7.15 | 735% | -0.9254 | 4 |
As of September 4, 2026
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