ATLASATLAS fair value
ATLAS has no fair value for this stock today.
Upstream Bio (UPB)
Upstream Bio stock price today, ATLAS forecast and fair value
Healthcare · Biotechnology · NASDAQ
$2.79▲ +1.45%
Prices as of Oct 27, 2026 · USD
Chance of rising in 1 month
44%
that it ends higher than today in 21 sessions
0%coin flip 50%100%
This is just the summary. See everything on Upstream Bio in ATLAS
ATLAS's own quantitative analysis, all in one place.
- Simulation and expected rangeThousands of simulated scenarios: how far the price could rise or fall.
- Officers and shareholdersWho runs the company and which funds hold its shares.
- Customer and supplier mapWho it does business with, from its own filings.
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- Valuation and financialsFair value step by step, quarterly accounts and upcoming events.
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On Upstream Bio
- Simulation and expected rangeThousands of simulated scenarios: how far the price could rise or fall.
- Officers and shareholdersWho runs the company and which funds hold its shares.
- Customer and supplier mapWho it does business with, from its own filings.
- Valuation and financialsFair value step by step, quarterly accounts and upcoming events.
- NewsThe latest on the company, in one place.
And for you
- ATLAS builds your portfolioAnswer a short test and get portfolios that fit you.
- AlertsWe let you know when something changes in your stocks.
- Crisis simulatorHow your portfolio would do in a crash like 2008.
- Practice risk-free$10,000 in virtual money to invest at real prices.
- Global screenerSearch US stocks and stocks from 47 countries with filters.
Plans from €3.99 a month.
ATLAS's model gives Upstream Bio a 44% chance of finishing higher a month from now (21 trading sessions) than today: somewhat worse than a coin flip.
In half of the simulated outcomes the price ends between $2.27 and $3.19; in 9 out of 10, between $1.68 and $4.31. Estimated annual volatility is 104%.
Price, last 12 months (weekly close)
Key numbers
- 52-week high
- $33.68
- 52-week low
- $2.68
- Revenue (12 months)
- $3.2M
- Revenue growth (YoY)
- +20.4%
- Gross margin
- 0.0%
- Return on equity
- -46.1%
- Free cash flow (12 months)
- $-86.6M
- Beta
- 0.00
What this means
ATLAS does not publish a fair value for UPB right now, but it does show its odds of rising: somewhat worse than a coin flip.
Over the last 52 weeks UPB has traded between $2.68 and $33.68. Today it is 91.7% below that high and 4% above its low.
Its beta is 0.00: it tends to move less than the market.
About the company
Upstream Bio, Inc. Common Stock represents an equity interest in Upstream Bio, a clinical-stage biotechnology company focused on developing treatments for inflammatory diseases, with an initial emphasis on severe respiratory disorders.
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Frequently asked questions
What does Upstream Bio do?
Upstream Bio, Inc. Common Stock represents an equity interest in Upstream Bio, a clinical-stage biotechnology company focused on developing treatments for inflammatory diseases, with an initial emphasis on severe respiratory disorders.
What is the chance UPB goes up next month?
44%: somewhat worse than a coin flip. In half of the simulated outcomes, UPB ends the month between $2.27 and $3.19.
How volatile is UPB?
ATLAS estimates annual volatility at 104%. In a typical month, half of the outcomes end between $2.27 and $3.19.
Not investment advice. ATLAS estimates are produced by statistical models from public data; they can be wrong and past performance does not predict future results. Consider your own situation before investing. Disclaimer