UPB
Upstream Bio, Inc. Common Stock
stockNASDAQ
Market OpenOct 5, 2026 12:36:22 PM EDT
4.76USD-5.644%(-0.29)409,719
4.7600Bid4.7700Ask0.0100SpreadUPB Off Exchange & Dark Pool Summary
Today’s Off Exchange & Dark Pool volume is 171,552, which is 44.36% of today’s total volume. Today’s Lit volume is 215,211 (55.64%). Over the past 30 days, the average Off Exchange & Dark Pool volume has been 40.89%, and the average Lit volume 59.11%.
| Exchange | Day % | Volume | 30D % |
|---|---|---|---|
| Off Exchange1 | 44.36% | 171,552 | 40.89% |
| Nasdaq GSM | 16.38% | 63,337 | 34.87% |
| IEX | 9.97% | 38,576 | 6.40% |
| NYSE Arca | 9.10% | 35,195 | 5.35% |
| Cboe BZX | 7.71% | 29,825 | 4.23% |
| Cboe EDGX | 4.39% | 16,972 | 2.79% |
| MEMX | 2.83% | 10,943 | 0.80% |
| NYSE | 1.71% | 6,604 | 1.64% |
| TXSE | 1.04% | 4,020 | 0.19% |
| Cboe EDGA | 0.58% | 2,234 | 0.48% |
| MIAX Pearl | 0.47% | 1,809 | 0.21% |
| NYSE American | 0.37% | 1,430 | 0.13% |
| Cboe BYX | 0.36% | 1,379 | 1.19% |
| Nasdaq BX | 0.25% | 965 | 0.29% |
| Nasdaq PHLX | 0.16% | 627 | 0.16% |
| CHX | 0.15% | 576 | 0.15% |
| NYSE National | 0.11% | 419 | 0.21% |
| 24X National | 0.08% | 300 | 0.04% |
UPB Volume by Exchange
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UPB Volume by Exchange
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UPB Volume by Exchange · History
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| Date | Time | Price | Size | Premium ▼ | Side | Exchange | Conditions | |
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