SION
Sionna Therapeutics, Inc. Common Stock
stockNASDAQ
Market OpenOct 5, 2026 10:22:56 AM EDT
4.73USD-4.057%(-0.20)120,525
4.6000Bid4.7500Ask0.1500SpreadPre-marketOct 5, 2026 9:02:30 AM EDT
5.03USD+2.028%(+0.10)
SION Off Exchange & Dark Pool Summary
Today’s Off Exchange & Dark Pool volume is 39,552, which is 54.12% of today’s total volume. Today’s Lit volume is 33,532 (45.88%). Over the past 30 days, the average Off Exchange & Dark Pool volume has been 42.60%, and the average Lit volume 57.40%.
| Exchange | Day % | Volume | 30D % |
|---|---|---|---|
| Off Exchange1 | 54.12% | 39,552 | 42.60% |
| Nasdaq GSM | 22.55% | 16,480 | 33.70% |
| NYSE Arca | 5.37% | 3,928 | 7.64% |
| Cboe BZX | 3.54% | 2,586 | 3.41% |
| MIAX Pearl | 3.47% | 2,535 | 0.33% |
| IEX | 3.47% | 2,533 | 4.37% |
| Cboe EDGX | 3.29% | 2,403 | 2.98% |
| MEMX | 2.53% | 1,852 | 1.18% |
| NYSE | 0.78% | 569 | 1.60% |
| Cboe BYX | 0.54% | 395 | 0.71% |
| Cboe EDGA | 0.21% | 151 | 0.48% |
| NYSE National | 0.14% | 100 | 0.22% |
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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