SION
Sionna Therapeutics, Inc. Common Stock
stockNASDAQ
At CloseOct 2, 2026 3:59:59 PM EDT
4.93USD-3.048%(-0.16)1,159,021
Pre-marketOct 2, 2026 9:28:30 AM EDT
5.17USD+1.672%(+0.09)
After-hoursOct 2, 2026 4:13:30 PM EDT
4.98USD+1.014%(+0.05)
SION Off Exchange & Dark Pool Summary
Today’s Off Exchange & Dark Pool volume is 487,799, which is 42.05% of today’s total volume. Today’s Lit volume is 672,355 (57.95%). Over the past 30 days, the average Off Exchange & Dark Pool volume has been 42.80%, and the average Lit volume 57.20%.
| Exchange | Day % | Volume | 30D % |
|---|---|---|---|
| Off Exchange1 | 42.05% | 487,799 | 42.80% |
| Nasdaq GSM | 32.63% | 378,538 | 33.44% |
| NYSE Arca | 9.32% | 108,116 | 7.79% |
| Cboe EDGX | 3.85% | 44,705 | 2.94% |
| Cboe BZX | 3.70% | 42,948 | 3.36% |
| IEX | 3.03% | 35,197 | 4.30% |
| NYSE | 1.75% | 20,284 | 1.59% |
| MEMX | 0.93% | 10,735 | 1.15% |
| Cboe EDGA | 0.68% | 7,847 | 0.47% |
| MIAX Pearl | 0.66% | 7,627 | 0.34% |
| NYSE American | 0.36% | 4,129 | 0.19% |
| Cboe BYX | 0.30% | 3,469 | 0.78% |
| Nasdaq PHLX | 0.25% | 2,916 | 0.15% |
| NYSE National | 0.21% | 2,453 | 0.24% |
| CHX | 0.15% | 1,738 | 0.13% |
| Nasdaq BX | 0.13% | 1,553 | 0.30% |
| TXSE | 0.01% | 100 | 0.02% |
SION Volume by Exchange
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SION Volume by Exchange
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SION Volume by Exchange · History
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| Date | Time | Price | Size | Premium ▼ | Side | Exchange | Conditions | |
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