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Why is $SION stock moving today?

Sionna Therapeutics, Inc. Common Stock · PHARMACEUTICAL PREPARATIONS

Why is $SION moving 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
$6.00
Move today
+0.0%
Volume vs avg
1.2x
Scanner alerts today
10
Flagged in 30 days
150
Market cap
$271M
Prev close
$6.00
Avg volume
2.1M

Today’s scanner timeline

  • 3:44 PMBig % mover alert
  • 3:27 PMUnusual volume (RVOL) alert
  • 2:52 PMBig % mover alert
  • 1:44 PMBig % mover alert
  • 1:39 PMUnusual volume (RVOL) alert
  • 12:39 PMBig % mover alert
  • 12:39 PMUnusual volume (RVOL) alert
  • 11:51 AMUnusual volume (RVOL) alert
  • 11:13 AMBig % mover alert
  • 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.