Sionna Therapeutics Inc. (SION)
Showing Closing Date Range from Sep 28 to Oct 26, 2026 compared to Aug 30 to Sep 27, 2026.
Compare Last 28 Days with Previous Period
Investor Relations:sionnatx.com
Current Period Close
$3.60
Sep 28, 2026 - Oct 26, 2026
Previous Period Close
$5.51
Aug 30, 2026 - Sep 27, 2026
Net Comparison Delta
$-1.91 (-34.66%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(20 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 23, 2026 | $3.60 | - | - | - |
| Oct 22, 2026 | $3.80 | - | - | - |
| Oct 21, 2026 | $3.87 | - | - | - |
| Oct 20, 2026 | $4.15 | Sep 23, 2026 | $5.51 | -24.68% |
| Oct 19, 2026 | $4.01 | Sep 22, 2026 | $6.02 | -33.39% |
| Oct 16, 2026 | $3.89 | Sep 21, 2026 | $6.00 | -35.17% |
| Oct 15, 2026 | $4.08 | Sep 18, 2026 | $5.96 | -31.54% |
| Oct 14, 2026 | $4.09 | Sep 17, 2026 | $7.18 | -43.04% |
| Oct 13, 2026 | $4.38 | Sep 16, 2026 | $7.04 | -37.78% |
| Oct 12, 2026 | $4.69 | Sep 15, 2026 | $6.88 | -31.83% |
| Oct 09, 2026 | $4.90 | Sep 14, 2026 | $8.26 | -40.68% |
| Oct 08, 2026 | $4.90 | Sep 11, 2026 | $7.85 | -37.58% |
| Oct 07, 2026 | $4.82 | Sep 10, 2026 | $7.62 | -36.75% |
| Oct 06, 2026 | $4.75 | Sep 09, 2026 | $7.48 | -36.50% |
| Oct 05, 2026 | $4.85 | Sep 08, 2026 | $7.30 | -33.56% |
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