AnaptysBio Inc
AnaptysBio Inc (ANAB) Options Open Interest
ANAB options open interest is 9,935 contracts. The 2-week average daily volume is 185 contracts across the chain.
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Monitoring ANAB open interest helps you see where real money is positioned on AnaptysBio Inc's options and which strikes are attracting the most commitment from traders. AnaptysBio 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 ANAB 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 ANAB 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 AnaptysBio Inc to settle.
AnaptysBio, Inc., a clinical stage biotechnology company, engages in developing therapeutic product candidates for inflammation and immuno-oncology indications. Its products include Imsidolimab, an antibody that inhibits the interleukin-36 receptor (IL-36R) for the treatment of various dermatological inflammatory diseases; Rosnilimab, an anti-PD-1 agonist antibody program designed to augment PD-1 signaling through rosnilimab treatment to suppress T-cell driven human inflammatory diseases; and ANB032, an anti-BTLA modulator antibody applicable to human inflammatory diseases associated with lymphoid and myeloid immune cell dysregulation.
The company also focuses on developing various antibody programs that are advanced to preclinical and clinical milestones under its collaborations. It has a collaboration and license agreement with GlaxoSmithKline, Inc. and Bristol-Myers Squibb; and license agreements with United Kingdom Research and Innovation, as well as Millipore Corporation. The company was formerly known as Anaptys Biosciences, Inc. and changed its name to AnaptysBio, Inc. in July 2006. AnaptysBio, Inc. was incorporated in 2005 and is based in San Diego, California.
Pin risk into expiration, dealer positioning, liquidity checks for large orders — all of it starts with knowing where ANAB open interest is concentrated. Our scanner maps AnaptysBio 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 AnaptysBio Inc's options open interest as the signal it is, not as an afterthought.
| 55.00 | 2.65 | 5.50 | 4.08 | 65% | +0.5501 | 74 |
| 60.00 | 0.85 | 2.35 | 1.60 | 55% | +0.3217 | 26 |
| 50.00 | 4.50 | 8.50 | 6.50 | 55% | +0.7754 | 10 |
| 65.00 | — | 4.20 | 4.20 | 125% | +0.3823 | 2 |
| 80.00 | — | 4.90 | 4.90 | 193% | +0.3314 | 2 |
| 55.00 | 2.80 | 5.50 | 4.15 | 72% | -0.4475 | 30 |
| 60.00 | 5.00 | 8.80 | 6.90 | 67% | -0.6362 | 20 |
| 65.00 | 9.00 | 13.00 | 11.00 | 72% | -0.7617 | 10 |
| 45.00 | — | 4.90 | 4.90 | 170% | -0.2487 | 4 |
| 40.00 | — | 4.90 | 4.90 | 215% | -0.1985 | 1 |
As of September 18, 2026
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