Upstream Bio, Inc. (UPB) last trade on NASDAQ is $6.55 (-1.06% on the session). This is the quote page — last, open, previous close, day range, and volume — not the UPB analysis write-up.
Session tape: open $7.18, previous close $7.18, day range $6.90–$7.31, session volume 432.8K shares. UPB currently screens at market cap $407.3M. Volume and range describe liquidity and the day’s auction — they are not a thesis on Upstream Bio, Inc..
Regular US cash hours are 9:30 a.m. to 4:00 p.m. Eastern. Pre-market and after-hours prints can gap UPB versus the official close. For what Upstream Bio, Inc. said in the latest filing, open the UPB SEC page. For revenue, margins, and the research write-up, open the UPB stock page. This quote URL stays a distinct money page so it does not dilute that analysis.
Upstream Bio, Inc., a clinical-stage biotechnology company, develops treatments for inflammatory diseases focusing on severe respiratory disorders. Its product candidate includes verekitug, which is in Phase 2 clinical development for the treatment of severe asthma and chronic rhinosinusitis with nasal polyps, as well as in Phase I clinical trial for treating chronic obstructive pulmonary disease. The company was incorporated in 2021 and is headquartered in Waltham, Massachusetts....
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UPB (Upstream Bio, Inc.) stock is currently quoted at $6.55. Stock quotes represent the current market price at which shares are available for trading during market hours.
UPB is trading at $6.55 (-0.07, -1.06%) as of the latest market data. Prices update in real-time during trading hours.
Get live UPB quotes on this page during market hours: current price, daily change, volume, market cap, and the session range.
UPB stock quote includes current price, daily price change ($ and %), opening price, previous close, day's high/low, 52-week high/low, trading volume, market capitalization, and bid/ask spreads. This gives you a complete snapshot of current market activity.
Yes, UPB stock quotes are updated in real-time during market hours (9:30 AM - 4:00 PM ET, Monday-Friday). Pre-market (4:00-9:30 AM) and after-hours (4:00-8:00 PM) quotes are also available for extended trading sessions.
UPB current trading volume is 0.43 million shares. Trading volume indicates market activity and liquidity - higher volume typically means easier buying and selling.
View UPB historical stock quotes on our platform with daily, weekly, and monthly data going back multiple years. Historical quotes help analyze price trends, volatility patterns, and long-term performance.
The bid price is what buyers are willing to pay for UPB, while the ask price is what sellers want. The difference (spread) indicates liquidity - narrower spreads typically mean more liquid stocks with lower trading costs.