Upstream Bio Inc

UPBNASDAQ · USD
5.27USD0.00 (+1.55%)
522

Upstream Bio Inc (UPB) Unusual Options Activity Today

UPB options volume power reached 0x on the previous trading day. The highest reading was on the $7.5 CALL expiring 2026-11-20.

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

Upstream Bio, Inc., a clinical-stage biotechnology company, develops treatments for inflammatory diseases that focuses on severe respiratory disorders. It develops verekitug, a monoclonal antibody that targets and inhibits the thymic stromal lymphopoietin receptor. The company also develops therapies to treat severe asthma, chronic rhinosinusitis with nasal polyps, and chronic obstructive pulmonary disease. Upstream Bio, Inc. was incorporated in 2021 and is based in Waltham, Massachusetts.

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

2026-10-16
Calls
2.500.504.902.70154%00—
5.00—4.904.901,000%00—
7.50—0.300.30204%00—
10.00—2.452.45798%00—
12.50—4.904.901,000%00—
Puts
2.50—4.904.901,000%00—
5.00—0.800.80208%030.00%
7.500.104.902.50176%00—
10.002.507.004.7529%00—
12.505.009.507.2551%00—

As of September 29, 2026

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