Why is $AMBA stock up today?
Ambarella, Inc. Ordinary Shares · SEMICONDUCTORS & RELATED DEVICES
Why is $AMBA up today?
The likely driver
AMBARELLA INC: Q2 FY2027 results, three months to Jul 31, 2026
AMBARELLA INC: Q2 FY2027 results, three months to Jul 31, 2026
SEC filing · Sep 4
The numbers behind the move
Short interest
9.9% of float
Days to cover
4.6d
Float
44.1M · Medium
Float rotation
0.0x
Price
$64.80
Move today
+1.1%
Volume vs avg
0.0x
Scanner alerts today
7
Flagged in 30 days
271
Market cap
$2.8B
Prev close
$64.12
Avg volume
1.9M
Today’s scanner timeline
- 3:01 PMUnusual volume (RVOL) alert
- 2:19 PMUnusual volume (RVOL) alert
- 1:14 PMUnusual volume (RVOL) alert
- 12:41 PMBig % mover alert
- 12:28 PMUnusual volume (RVOL) alert
- 10:00 AMBig % mover alert
- 7:01 AMBig % mover alert
Unusual-volume alerts often fire before the news is widely reported. This is when our scanner first flagged AMBA today.
Earlier scanner activity on AMBA
- Sep 14Unusual volume (RVOL) alert
- Sep 14Unusual volume (RVOL) alert
- Sep 14Unusual volume (RVOL) alert
- Sep 14Unusual volume (RVOL) alert
- Sep 14Unusual volume (RVOL) alert
- Sep 14Unusual volume (RVOL) alert
- Sep 14Unusual volume (RVOL) alert
- Sep 14Big % mover alert
- Sep 14Big % mover alert
- Sep 14Big % mover alert
- Sep 14Unusual volume (RVOL) alert
- Sep 14Unusual 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.