Why is OSIS stock up today?

OSI Systems Inc (OSIS) is up 0.0% today. A recent SEC filing (OSI SYSTEMS INC: FY2026 results, year to Jun 30, 2026) may be a factor. Volume is running about 0.0x its recent daily average.

Why is $OSIS stock moving today?

OSI Systems Inc · SEMICONDUCTORS & RELATED DEVICES

Why is $OSIS moving today?

The likely driver

OSI SYSTEMS INC: FY2026 results, year to Jun 30, 2026

SEC filing · Aug 21

The numbers behind the move

Short interest

12.9% of float

Days to cover

5.0d

Float

15.9M · Low

Float rotation

0.0x

OSIS: 12.9% of the float is sold short (5.0 days to cover), a low 15.9M-share float.

Price

$198.73

Move today

+0.0%

Volume vs avg

0.0x

Scanner alerts today

Flagged in 30 days

Market cap

$3.2B

Prev close

$198.73

Avg volume

252K

Nothing has triggered on OSIS yet in this session. Our scanner has flagged it 74 times in the last 30 days , most recently on September 17 for big percentage moves, unusual volume, which is why this page is here. See the full OSIS page for the chart and the alert history.

Earlier scanner activity on OSIS

Sep 17Unusual volume (RVOL) alert
Sep 17Unusual volume (RVOL) alert
Sep 17Unusual volume (RVOL) alert
Sep 15Unusual volume (RVOL) alert
Sep 15Unusual volume (RVOL) alert
Sep 15Unusual volume (RVOL) alert
Sep 15Unusual volume (RVOL) alert
Sep 15Unusual volume (RVOL) alert
Sep 14Unusual volume (RVOL) alert
Sep 9Unusual volume (RVOL) alert
Sep 9Big % mover alert
Sep 9Unusual 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.

Full $OSIS page →Live chart Trending stocks

Other stocks moving today

$DFDV +21.2%$HSDT +20.5%$CD +20.3%$QMLS +20.3%$MSTW +19.5%$MEDS -19.0%$KAZR +18.6%$DSP +18.6%

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.