SPRO
Spero Therapeutics, Inc. Common Stock
stockNASDAQ
At CloseOct 2, 2026 3:59:56 PM EDT
1.19USD-5.556%(-0.07)906,916
Pre-marketOct 2, 2026 8:37:30 AM EDT
1.25USD-0.794%(-0.01)
After-hoursOct 2, 2026 4:01:30 PM EDT
1.20USD+0.840%(+0.01)
SPRO Off Exchange & Dark Pool Summary
Today’s Off Exchange & Dark Pool volume is 294,967, which is 32.52% of today’s total volume. Today’s Lit volume is 611,940 (67.48%). Over the past 30 days, the average Off Exchange & Dark Pool volume has been 50.29%, and the average Lit volume 49.71%.
| Exchange | Day % | Volume | 30D % |
|---|---|---|---|
| Nasdaq GSM | 34.46% | 312,489 | 25.66% |
| Off Exchange1 | 32.52% | 294,967 | 50.29% |
| IEX | 9.51% | 86,256 | 5.40% |
| NYSE Arca | 8.66% | 78,579 | 6.85% |
| Cboe EDGX | 4.57% | 41,421 | 4.06% |
| NYSE | 2.60% | 23,574 | 2.03% |
| Cboe BZX | 2.05% | 18,617 | 1.91% |
| NYSE National | 1.19% | 10,763 | 0.17% |
| TXSE | 1.00% | 9,037 | 0.49% |
| Nasdaq BX | 0.95% | 8,579 | 0.28% |
| MEMX | 0.57% | 5,212 | 0.89% |
| MIAX Pearl | 0.57% | 5,140 | 0.60% |
| Cboe BYX | 0.50% | 4,496 | 0.83% |
| NYSE American | 0.32% | 2,902 | 0.20% |
| Cboe EDGA | 0.28% | 2,548 | 0.16% |
| 24X National | 0.20% | 1,816 | 0.14% |
| CHX | 0.06% | 502 | 0.03% |
| Nasdaq PHLX | 0.00% | 9 | 0.03% |
SPRO Volume by Exchange
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SPRO Volume by Exchange
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SPRO Volume by Exchange · History
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| Level | Trades | Volume | Premium ▼ |
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| Date | Time | Price | Size | Premium ▼ | Side | Exchange | Conditions | |
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