price
SI
NASDAQ · SION
Sionna Therapeutics, Inc.
Healthcare · Biotechnology
$6.88
Up+$0.13 (+1.82%)
Updated Sep 16, 2026, 2:14 PM
SID Score
3.7/10
Composite research score
Smart Money
—
Institutional and insider signal
- Market cap
- 1.86B
- P/E ratio
- -31.26
- Dividend yield
- 0.00%
- 52-week range
- $4.01 – $54.97
- Volume
- 2.46M
- Avg. volume
- 293.9K
Price performance
SION price history
1M range · 20 trading sessions · Daily adjusted prices
SION closed at $6.88 after 20 trading sessions, up 15.82% for the selected period.
- Last close
- $6.88
- Period change
- +15.82%
- Period low
- $5.29
- Period high
- $8.26
Daily close
View OHLC price history
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Sep 15, 2026 | $7.87 | $8.00 | $6.85 | $6.88 | 2.46M |
| Sep 14, 2026 | $7.84 | $8.535 | $7.84 | $8.26 | 1.22M |
| Sep 11, 2026 | $7.79 | $8.03 | $7.47 | $7.85 | 1.21M |
| Sep 10, 2026 | $7.40 | $7.75 | $7.12 | $7.62 | 1.22M |
| Sep 9, 2026 | $7.27 | $7.55 | $7.1691 | $7.48 | 767.46K |
| Sep 8, 2026 | $7.13 | $7.555 | $6.89 | $7.30 | 884.75K |
| Sep 4, 2026 | $6.68 | $7.22 | $6.62 | $7.18 | 926.07K |
| Sep 3, 2026 | $7.31 | $7.56 | $6.70 | $6.75 | 1.24M |
| Sep 2, 2026 | $6.63 | $7.35 | $6.27 | $7.31 | 1.59M |
| Sep 1, 2026 | $5.95 | $6.48 | $5.93 | $6.46 | 1.41M |
| Aug 31, 2026 | $5.87 | $6.08 | $5.75 | $6.03 | 1.38M |
| Aug 28, 2026 | $5.97 | $6.06 | $5.8224 | $5.87 | 784.79K |
| Aug 27, 2026 | $6.14 | $6.2499 | $5.97 | $6.06 | 775.76K |
| Aug 26, 2026 | $6.20 | $6.29 | $6.02 | $6.17 | 926.26K |
| Aug 25, 2026 | $5.60 | $6.30 | $5.58 | $6.25 | 1.97M |
| Aug 24, 2026 | $5.29 | $5.61 | $5.21 | $5.59 | 1.78M |
| Aug 21, 2026 | $5.54 | $5.72 | $5.27 | $5.29 | 1.94M |
| Aug 20, 2026 | $6.27 | $6.2726 | $5.51 | $5.52 | 1.75M |
| Aug 19, 2026 | $6.09 | $6.28 | $5.8801 | $6.25 | 1.87M |
| Aug 18, 2026 | $5.75 | $5.98 | $5.60 | $5.94 | 2.06M |
Latest SION news
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