AnaptysBio Inc

ANABNASDAQ · USD
50.37USD0.00 (-0.85%)
6510

AnaptysBio Inc (ANAB) Unusual Options Activity Today

ANAB options volume power reached 8x on the previous trading day. The highest reading was on the $55 PUT expiring 2027-02-19.

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Checking ANAB unusual options activity helps you spot when traders are making outsized bets on AnaptysBio Inc before the broader market catches on. AnaptysBio 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 ANAB 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 ANAB unusual options flow today can reveal large block trades, sweeps across exchanges, and aggressive directional bets. Tracking ANAB unusual options volume across calls and puts helps you separate hedging activity from genuinely speculative positioning, and ANAB unusual options flow data becomes especially valuable around earnings, product launches, and macro events.

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.

Catalysts rarely arrive without a footprint, and ANAB unusual options activity is often where that footprint shows up first. Our scanner tracks AnaptysBio 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 ANAB unusual options volume on the call side or chasing put sweeps, AnaptysBio Inc's unusual options flow today is one click away, so put it on your radar before the headlines hit.

2026-10-16
Calls
30.0018.8023.5021.15149%00—
35.0014.0018.5016.25119%00—
40.009.0013.5011.2584%00—
45.004.509.006.7569%00—
50.001.405.503.4567%0100.00%
Puts
30.00—4.604.60365%00—
35.00—4.604.60293%00—
40.00—4.904.90239%010.00%
45.00—4.904.90179%060.00%
50.000.504.902.7071%020.00%

As of September 29, 2026

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