Why is $ALAB stock up today?

Astera Labs, Inc. Common Stock · SEMICONDUCTORS & RELATED DEVICES

Why is $ALAB up today?

The likely driver

Astera Labs, Inc.: Q2 FY2026 results, three months to Jun 30, 2026

SEC filing · Aug 4

The numbers behind the move

Short interest

29.4% of float

Days to cover

2.8d

Float

30.8M · High

Float rotation

0.2x

ALAB: 29.4% of the float is sold short (2.8 days to cover).

Price

$364.31

Move today

+0.2%

Volume vs avg

0.0x

Scanner alerts today

Flagged in 30 days

483

Market cap

$59.1B

Prev close

$363.46

Avg volume

4.5M

Nothing has triggered on ALAB yet in this session. Our scanner has flagged it 483 times in the last 30 days , most recently on September 22 for big percentage moves, unusual volume, which is why this page is here. See the full ALAB page for the chart and the alert history.

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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.