Upstream Bio Inc

UPBNASDAQ · USD
5.36USD0.00 (+3.68%)
522

Upstream Bio Inc (UPB) Options Open Interest

UPB options open interest is 438 contracts. The 2-week average daily volume is 20 contracts across the chain.

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Monitoring UPB open interest helps you see where real money is positioned on Upstream Bio Inc's options and which strikes are attracting the most commitment from traders. Upstream Bio 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 UPB 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 UPB 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 Upstream Bio Inc to settle.

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.

Pin risk into expiration, dealer positioning, liquidity checks for large orders — all of it starts with knowing where UPB open interest is concentrated. Our scanner maps Upstream Bio 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 Upstream Bio Inc's options open interest as the signal it is, not as an afterthought.

2026-10-16
Calls
2.500.505.202.8530%+1.00000
5.00—4.904.901,000%+0.88890
7.50—0.300.30172%+0.27090
10.00—4.904.901,000%+0.82380
12.50—0.150.15244%+0.12240
Puts
5.00—0.800.80200%-0.34863
2.50—0.050.05211%-0.03810
7.500.204.902.55201%-0.67680
10.002.507.004.75192%-0.87000
12.505.009.507.25240%-0.88400

As of September 25, 2026

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Track UPB open interest across every strike and expiration, identify where conviction is building, and trade with the positioning data on your side.

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