Skip to main content
Smart Investors Daily
SI

NASDAQ · SION

Sionna Therapeutics, Inc.

Healthcare · Biotechnology

$3.73

Down-$0.08 (-2.18%)

Updated Nov 3, 2026, 8:29 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
SION OHLC price history, latest 40 sessions
DateOpenHighLowCloseVolume
Nov 2, 2026$3.91$3.935$3.65$3.73656.79K
Oct 30, 2026$3.96$4.0499$3.76$3.87534.38K
Oct 29, 2026$4.05$4.16$3.97$4.00578.36K
Oct 28, 2026$3.85$4.155$3.78$4.04953K
Oct 27, 2026$3.68$3.905$3.63$3.871M
Oct 26, 2026$3.58$3.74$3.57$3.69614.22K
Oct 23, 2026$3.75$3.816$3.55$3.60918.2K
Oct 22, 2026$3.87$3.97$3.6414$3.801.59M
Oct 21, 2026$4.20$4.31$3.86$3.871.56M
Oct 20, 2026$4.06$4.30$4.02$4.151.07M
Oct 19, 2026$3.93$4.11$3.84$4.011.17M
Oct 16, 2026$4.06$4.06$3.775$3.891.49M
Oct 15, 2026$4.15$4.30$4.0201$4.08944.61K
Oct 14, 2026$4.30$4.40$3.9301$4.091.5M
Oct 13, 2026$4.69$4.795$4.365$4.38790.63K
Oct 12, 2026$4.89$4.93$4.675$4.69692.61K
Oct 9, 2026$4.93$5.12$4.83$4.90633.56K
Oct 8, 2026$4.78$4.97$4.65$4.90915.6K
Oct 7, 2026$4.68$4.87$4.61$4.82880.22K
Oct 6, 2026$4.88$4.88$4.52$4.751.26M
Oct 5, 2026$4.95$4.96$4.63$4.851.1M

Latest SION news

The latest Smart Investors Daily articles mentioning SION.

Loading stock research…