6.64 USD
↘ 0.23 (3.35%)PRE MARKET (AS OF 05:29 AM EDT)
UPB Stock Premarket
Upstream Bio, Inc. Common Stock
UPBNASDAQ • USD
Market: OPEN
Premarket trading runs 4:00 AM – 9:30 AM ET.
UPB last traded at $6.64 in premarket, down $0.23 (3.35%) from its previous close of $6.87.
UPB Premarket Chart
UPB Premarket News
Gap Analytics — 5-year history, 5% minimum gap
No qualifying gap events found for UPB.
Frequently Asked Questions
What is UPB's premarket price?
Upstream Bio (UPB) is trading at $6.64 in premarket, down $0.23 (3.35%) from the previous close of $6.87.
Why is UPB moving in premarket?
Upstream Bio (UPB) is down 3.35% from its previous close in premarket trading. Premarket moves are usually driven by company-specific news, earnings results, analyst rating or price-target changes, or broad market and sector sentiment. Check the latest UPB premarket headlines and gap history below for the likely catalyst.
When does UPB premarket trading start?
Premarket trading for UPB on the NASDAQ runs from 4:00 AM to 9:30 AM Eastern Time, ahead of the regular session (9:30 AM – 4:00 PM ET). After-hours runs from 4:00 PM to 8:00 PM ET.