price
SI
NASDAQ · SION
Sionna Therapeutics, Inc.
Healthcare · Biotechnology
$6.06
Down-$0.11 (-1.82%)
Updated Aug 28, 2026, 2:10 PM
SID Score
2.7/10
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
- 775.76K
- Avg. volume
- 293.9K
Price performance
SION price history
1M range · 21 trading sessions · Daily adjusted prices
SION closed at $6.06 after 21 trading sessions, down 87.05% for the selected period.
- Last close
- $6.06
- Period change
- -87.05%
- Period low
- $4.50
- Period high
- $51.04
Daily close
View OHLC price history
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| 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 |
| Aug 17, 2026 | $6.47 | $6.7999 | $5.82 | $5.91 | 2.99M |
| Aug 14, 2026 | $6.24 | $6.66 | $6.15 | $6.46 | 2.88M |
| Aug 13, 2026 | $6.29 | $6.75 | $6.05 | $6.54 | 5.49M |
| Aug 12, 2026 | $4.99 | $6.40 | $4.975 | $6.25 | 9.44M |
| Aug 11, 2026 | $4.51 | $5.49 | $4.4901 | $5.10 | 14.93M |
| Aug 10, 2026 | $4.85 | $4.9998 | $4.01 | $4.50 | 38.64M |
| Aug 7, 2026 | $50.86 | $54.97 | $49.30 | $51.04 | 747.53K |
| Aug 6, 2026 | $47.11 | $50.80 | $47.08 | $49.61 | 778.47K |
| Aug 5, 2026 | $50.20 | $51.91 | $46.915 | $47.34 | 757.88K |
| Aug 4, 2026 | $50.16 | $51.73 | $48.52 | $49.94 | 913.12K |
| Aug 3, 2026 | $46.86 | $49.49 | $45.57 | $49.26 | 509.03K |
| Jul 31, 2026 | $46.68 | $47.62 | $44.27 | $47.13 | 392.31K |
| Jul 30, 2026 | $44.69 | $47.28 | $44.64 | $46.78 | 353.25K |
Latest SION news
The latest Smart Investors Daily articles mentioning SION.
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