UPB
Upstream Bio, Inc. Common Stock
stockNASDAQ
Market OpenOct 5, 2026 10:47:20 AM EDT
4.75USD-5.941%(-0.30)148,238
4.7300Bid4.7500Ask0.0200SpreadUPB Off Exchange & Dark Pool Summary
Today’s Off Exchange & Dark Pool volume is 56,713, which is 47.79% of today’s total volume. Today’s Lit volume is 61,948 (52.21%). Over the past 30 days, the average Off Exchange & Dark Pool volume has been 40.86%, and the average Lit volume 59.14%.
| Exchange | Day % | Volume | 30D % |
|---|---|---|---|
| Off Exchange1 | 47.79% | 56,713 | 40.86% |
| Nasdaq GSM | 17.62% | 20,913 | 35.15% |
| IEX | 9.36% | 11,105 | 6.34% |
| Cboe BZX | 7.57% | 8,987 | 4.18% |
| NYSE Arca | 7.13% | 8,461 | 5.28% |
| Cboe EDGX | 4.65% | 5,522 | 2.77% |
| MEMX | 2.68% | 3,182 | 0.76% |
| NYSE | 1.36% | 1,614 | 1.64% |
| Cboe EDGA | 0.56% | 663 | 0.48% |
| Cboe BYX | 0.30% | 361 | 1.20% |
| Nasdaq BX | 0.22% | 265 | 0.29% |
| NYSE National | 0.17% | 200 | 0.21% |
| 24X National | 0.17% | 200 | 0.04% |
| Nasdaq PHLX | 0.13% | 153 | 0.16% |
| TXSE | 0.10% | 120 | 0.17% |
| NYSE American | 0.09% | 102 | 0.12% |
| MIAX Pearl | 0.08% | 100 | 0.20% |
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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