stockNASDAQ: UPB • 3 Months Updates

Upstream Bio Inc. (UPB) 3 Months

Showing Closing Date Range from Jul 15 to Oct 13, 2026.

Price & Performance Trajectory

Upstream Bio Inc.NASDAQ: UPB

Latest Close
$4.17
-42.64%
3 Months Updates Trajectory
Showing Closing Date Range from Jul 15 to Oct 13, 2026.
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Click metric scorecards below to toggle price, return %, range & volume curvesUPB session performance
✓ Latest Close USD
$4.17
Latest session close
$-3.1vs period start
Period Return % % GAIN
-42.64%
Net period trajectory
Cumulative ReturnNormalized
High / Low Range SPREAD
$7.7 / $4.12
Period range envelope
$3.58channel spread
Total Volume SHARES
39.66M
Period turnover
Avg: 661.0K/dLiquidity

Historical Session Ledger

Daily open, high, low, and close prices with volume and period returns.

Historical Quotes & Breakdown(60 dates)
DateClose (USD)Return %HighLowVolume
Oct 12, 2026$4.17-11.28% $4.72$4.12848.4K
Oct 09, 2026$4.70+3.30% $4.76$4.521.19M
Oct 08, 2026$4.55-1.30% $4.65$4.372.86M
Oct 07, 2026$4.61+0.44% $4.72$4.50908.4K
Oct 06, 2026$4.59-5.36% $4.87$4.531.06M
Oct 05, 2026$4.85-3.77% $5.10$4.671.01M
Oct 02, 2026$5.04+0.00% $5.21$4.87956.5K
Sep 28, 2026$5.34-0.37% $5.39$5.12227.0K
Sep 25, 2026$5.36+3.68% $5.39$5.07429.2K
Sep 24, 2026$5.17-0.39% $5.20$5.05566.6K
Sep 23, 2026$5.19-5.46% $5.49$4.99553.0K
Sep 22, 2026$5.49+2.33% $5.56$5.38360.4K
Sep 21, 2026$5.37+0.47% $5.44$5.27364.0K
Sep 18, 2026$5.34+0.57% $5.41$5.211.00M
Sep 17, 2026$5.31-0.38% $5.48$5.24533.9K
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