price
SI
NASDAQ · SION
Sionna Therapeutics, Inc.
Healthcare · Biotechnology
$3.73
Down-$0.09 (-2.28%)
Updated Nov 3, 2026, 8:24 PM
SID Score
3.0/10
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
- $3.55 – $54.97
- Volume
- 656.79K
- Avg. volume
- 293.9K
Price performance · SION
SION price history
1M range · 21 trading sessions · Daily adjusted prices
Prices through Nov 2, 2026
SION closed at $3.73 after 21 trading sessions, down 23.09% for the selected period.
- Last close
- $3.73
- Period change
- -23.09%
- Period low
- $3.60
- Period high
- $4.90
Daily close
View OHLC price history
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Nov 2, 2026 | $3.91 | $3.935 | $3.65 | $3.73 | 656.79K |
| Oct 30, 2026 | $3.96 | $4.0499 | $3.76 | $3.87 | 534.38K |
| Oct 29, 2026 | $4.05 | $4.16 | $3.97 | $4.00 | 578.36K |
| Oct 28, 2026 | $3.85 | $4.155 | $3.78 | $4.04 | 953K |
| Oct 27, 2026 | $3.68 | $3.905 | $3.63 | $3.87 | 1M |
| Oct 26, 2026 | $3.58 | $3.74 | $3.57 | $3.69 | 614.22K |
| Oct 23, 2026 | $3.75 | $3.816 | $3.55 | $3.60 | 918.2K |
| Oct 22, 2026 | $3.87 | $3.97 | $3.6414 | $3.80 | 1.59M |
| Oct 21, 2026 | $4.20 | $4.31 | $3.86 | $3.87 | 1.56M |
| Oct 20, 2026 | $4.06 | $4.30 | $4.02 | $4.15 | 1.07M |
| Oct 19, 2026 | $3.93 | $4.11 | $3.84 | $4.01 | 1.17M |
| Oct 16, 2026 | $4.06 | $4.06 | $3.775 | $3.89 | 1.49M |
| Oct 15, 2026 | $4.15 | $4.30 | $4.0201 | $4.08 | 944.61K |
| Oct 14, 2026 | $4.30 | $4.40 | $3.9301 | $4.09 | 1.5M |
| Oct 13, 2026 | $4.69 | $4.795 | $4.365 | $4.38 | 790.63K |
| Oct 12, 2026 | $4.89 | $4.93 | $4.675 | $4.69 | 692.61K |
| Oct 9, 2026 | $4.93 | $5.12 | $4.83 | $4.90 | 633.56K |
| Oct 8, 2026 | $4.78 | $4.97 | $4.65 | $4.90 | 915.6K |
| Oct 7, 2026 | $4.68 | $4.87 | $4.61 | $4.82 | 880.22K |
| Oct 6, 2026 | $4.88 | $4.88 | $4.52 | $4.75 | 1.26M |
| Oct 5, 2026 | $4.95 | $4.96 | $4.63 | $4.85 | 1.1M |
Latest SION news
The latest Smart Investors Daily articles mentioning SION.
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