Atossa Therapeutics Inc

ATOSNASDAQ · USD
1.99USD0.00 (+1.54%)
122

Atossa Therapeutics Inc (ATOS) Unusual Options Activity Today

ATOS options volume power reached 0.39x on the previous trading day. The highest reading was on the $3 CALL expiring 2027-04-16.

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

Atossa Therapeutics, Inc. operates as a clinical-stage biopharmaceutical company that develops medicines in the areas of unmet medical need in oncology for women breast cancer and other conditions in the United States. The company's lead drug candidate is oral (Z)-endoxifen, an active metabolite of tamoxifen, which is in Phase II clinical trials to treat and prevent breast cancer. It also develops immunotherapy/chimeric antigen receptor therapy programs. The company was formerly known as Atossa Genetics Inc. and changed its name to Atossa Therapeutics, Inc. in January 2020. Atossa Therapeutics, Inc.

was founded in 2008 and is based in Seattle, Washington.

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

2026-10-16
Calls
8.00—0.750.75845%1244.17%
7.00—0.800.80846%1313.23%
2.000.100.300.20126%1581.72%
9.00—1.001.001,000%11500.67%
1.000.451.400.9340%00—
Puts
2.00—0.300.30163%1911.11%
1.00—0.200.20461%0120.00%
3.000.551.551.05122%00—
4.001.602.602.10249%040.00%
5.002.603.603.10299%010.00%

As of September 28, 2026

Spot unusual options activity before it moves

Track ATOS options flow across every expiration, filter by volume power, and find the setups with abnormal activity before the trade is gone.

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