Why is $SION stock down today?
Sionna Therapeutics, Inc. Common Stock · PHARMACEUTICAL PREPARATIONS
Why is $SION down today?
The likely driver
Sionna Therapeutics Announces Plans to Advance SION-451 +
Sionna Therapeutics Announces Plans to Advance SION-451 +
SEC filing · Sep 14
Price
$5.97
Move today
-1.2%
Volume vs avg
0.0x
Scanner alerts today
1
Flagged in 30 days
138
Market cap
$269M
Prev close
$6.04
Avg volume
2.1M
Today’s scanner timeline
- 4:08 AMUnusual volume (RVOL) alert
Unusual-volume alerts often fire before the news is widely reported. This is when our scanner first flagged SION today.
Earlier scanner activity on SION
- Sep 18Big % mover alert
- Sep 18Unusual volume (RVOL) alert
- Sep 18Unusual volume (RVOL) alert
- Sep 18Big % mover alert
- Sep 18Unusual volume (RVOL) alert
- Sep 18Big % mover alert
- Sep 17Big % mover alert
- Sep 16Big % mover alert
- Sep 16Unusual volume (RVOL) alert
- Sep 15Unusual volume (RVOL) alert
- Sep 15Big % mover alert
- Sep 15Unusual volume (RVOL) alert
Prior sessions in the last 30 days. A name our scanner keeps flagging is behaving differently from the rest of the market, even on a quiet day.
Other stocks moving today
Each opens that stock’s own why-is-it-moving page.
Move and volume are based on the latest market data and refresh live on this page. Scanner alerts are our own real-time unusual-volume signals. This is research, not investment advice.