stockNASDAQ: SION • Today's Updates
Sionna Therapeutics Inc. (SION) Today Close
Showing Closing Date Range from Sep, 13 to Sep, 14, 2026.
NASDAQ MarketTrading In Progress Wall Street: 11:51 AM ET
Market Is Open • Trading In Progress
US markets (NASDAQ / NYSE) are in active trading (9:30 AM – 4:00 PM ET). Official closing rates settle after 4:15 PM ET. Showing active session data (Sep 14, 2026) as of 11:51 AM ET.
Multi-Day Trends:View 28-Day Chart
Started At
Market Open Opening price at session start (9:30 AM ET)
$7.84
Opening Gap$-0.01(-0.13%)
Last Recorded Trade Price
LAST RECORDEDLast recorded trade as of 11:51 AM ET
$8.43
Session DateSep 14, 2026
Gained Today
GAIN Net movement vs previous close
+$0.58 (+7.39%)
Intraday (from open)+$0.59 (+7.53%)
Day's High & Low Range
Session Low
$7.84
Session High
$8.54
Low ($7.84)Last Recorded Trade Price ($8.43)High ($8.54)
Trading Activity & Liquidity
Shares Traded
364.3K
364,328 shares
Dollar Volume
$3.07M
Close × Volume traded
Session Turnover$3.07M USD
Session Statistics Breakdown
Key opening, settlement, and trading metrics for Sionna Therapeutics Inc. (SION).
Sep 14, 2026
Started At (Open)
$7.84
Previous Close
$7.85
Session High
$8.54
Session Low
$7.84
Last Recorded Trade Price
$8.43
Gained / Lost ($)
+$0.58
Gained / Lost (%)
+7.39%
Day's Spread
$0.70