GRAIL Inc
GRAIL Inc (GRAL) Options Open Interest
GRAL options open interest is 56,643 contracts. The 2-week average daily volume is 2,316 contracts across the chain.
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Monitoring GRAL open interest helps you see where real money is positioned on GRAIL Inc's options and which strikes are attracting the most commitment from traders. GRAIL Inc'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 GRAL 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 GRAL 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 GRAIL Inc to settle.
GRAIL, Inc., a biotechnology company, focuses on developing technologies for early cancer detection. The company develops Galleri, a screening test for asymptomatic individuals over 50 years of age; and DAC, a diagnostic aid for cancer tests to accelerate diagnostic resolution for patients for whom there is a clinical suspicion of cancer. It is also developing minimal residual disease and other post-diagnostic tests. The company was incorporated in 2015 and is based in Menlo Park, California. GRAIL, Inc. operates as a former subsidiary of Illumina, Inc.
Pin risk into expiration, dealer positioning, liquidity checks for large orders — all of it starts with knowing where GRAL open interest is concentrated. Our scanner maps GRAIL Inc'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 GRAIL Inc's options open interest as the signal it is, not as an afterthought.
| 100.00 | 14.00 | 15.90 | 14.95 | 96% | +0.6710 | 2,439 |
| 80.00 | 29.60 | 31.60 | 30.60 | 118% | +0.8728 | 2,205 |
| 90.00 | 21.20 | 23.80 | 22.50 | 109% | +0.7864 | 2,174 |
| 85.00 | 25.40 | 28.30 | 26.85 | 119% | +0.8254 | 1,478 |
| 75.00 | 33.20 | 37.70 | 35.45 | 133% | +0.8915 | 599 |
| 60.00 | 0.75 | 1.25 | 1.00 | 154% | -0.0474 | 12,581 |
| 35.00 | — | 0.35 | 0.35 | 224% | -0.0130 | 10,046 |
| 55.00 | 0.10 | 2.20 | 1.15 | 179% | -0.0460 | 2,624 |
| 75.00 | 1.45 | 2.85 | 2.15 | 130% | -0.1054 | 1,166 |
| 50.00 | 0.25 | 0.95 | 0.60 | 175% | -0.0270 | 676 |
As of September 22, 2026
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