Grifols SA ADR
Grifols SA ADR (GRFS) Options Open Interest
GRFS options open interest is 5,884 contracts. The 2-week average daily volume is 76 contracts across the chain.
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Monitoring GRFS open interest helps you see where real money is positioned on Grifols SA ADR's options and which strikes are attracting the most commitment from traders. Grifols SA ADR'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 GRFS 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 GRFS 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 Grifols SA ADR to settle.
Grifols, S.A. engages in the procurement, manufacture, preparation, and sale of therapeutic products, primarily hemoderivatives. The company operates through Bioscience, Hospital, Diagnostic, Bio Supplies, and Others divisions. The Bioscience division researches, develops, produces, and markets plasma-derived medicines and other innovative solutions to treat patients with chronic, rare, prevalent, and life-threatening diseases. It offers immunoglobulins, alpha-1 antitrypsin, albumin, clotting factors, and hyperimmune globulins. The Hospital division offers non-biological pharmaceutical products and medical supplies clinical nutrition, intravenous therapy, and medical devices.
The Diagnostic division researches, develops, produces, and commercializes diagnostic products that span the healthcare continuumfrom prevention, screening, diagnosis, and prognosis to disease and treatment monitoringto serve professionals. The Bio Supplies division provides biological materials for life-science research, clinical trials, and for manufacturing pharmaceutical and diagnostic products. Its products and services are used by healthcare providers to diagnose and treat patients with hemophilia, immune deficiencies, infectious diseases, and other medical conditions. The company serves public and private customers; and wholesalers, distributors, group purchasing organizations, blood banks, hospitals and care institutions, and national health systems. Grifols, S.A. has a technology collaboration agreement with Mondragon. The company was founded in 1940 and is headquartered in Barcelona, Spain.
Pin risk into expiration, dealer positioning, liquidity checks for large orders — all of it starts with knowing where GRFS open interest is concentrated. Our scanner maps Grifols SA ADR'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 Grifols SA ADR's options open interest as the signal it is, not as an afterthought.
| 7.00 | — | 1.70 | 1.70 | 224% | +0.6416 | 13 |
| 1.00 | 5.20 | 7.50 | 6.35 | 86% | +1.0000 | 0 |
| 2.00 | 4.20 | 6.50 | 5.35 | 52% | +1.0000 | 0 |
| 3.00 | 3.20 | 5.50 | 4.35 | 19% | +1.0000 | 0 |
| 4.00 | 2.20 | 4.50 | 3.35 | 25% | +1.0000 | 0 |
| 7.00 | — | 0.25 | 0.25 | 60% | -0.3337 | 7 |
| 8.00 | 0.35 | 0.90 | 0.63 | 4% | -1.0000 | 4 |
| 9.00 | 0.50 | 3.00 | 1.75 | 81% | -0.8270 | 1 |
| 1.00 | — | 0.05 | 0.05 | 491% | -0.0109 | 0 |
| 2.00 | — | 1.15 | 1.15 | 984% | -0.0420 | 0 |
As of September 25, 2026
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