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OSI Systems (OSIS) Stock Chart & Stock Price History

OSI Systems logo
$204.29 +3.04 (+1.51%)
Closing price 09/11/2026 04:00 PM Eastern
Extended Trading
$204.38 +0.09 (+0.04%)
As of 09/11/2026 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.

OSI Systems Stock Price Performance

The OSI Systems (OSIS) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 12.99%, with a year-to-date return of -19.91%. In the past month, the stock has decreased 11.78%, reflecting recent market activity.

As of the latest close, OSI Systems traded at $204.29 with a market cap of $3.26 billion and volume of 236,130 shares. Five years ago, the stock traded at $95.01, representing a 115.02% increase over that period. At the time, it had a market cap of $1.70 billion and a volume of 87,190 shares.

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5 Day
Performance
+0.07%
1 Month
Performance
-11.78%
3 Month
Performance
-9.42%
Year-To-Date
Performance
-19.91%
1 Year
Performance
-12.99%
5 Year
Performance
+115.02%

OSIS Stock Chart for Saturday, September, 12, 2026

OSI Systems Stock Price History

DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
09/11/2026$201.25$204.29
+1.51%
$205.44$200.83236,130 shs$3.26 billion
09/10/2026$197.49$201.25
+1.90%
$202.21$195.69267,761 shs$3.21 billion
09/09/2026$204.25$197.49
-3.31%
$205.77$195.76360,731 shs$3.15 billion
09/08/2026$204.15$204.25
+0.05%
$207.26$201.00332,970 shs$3.26 billion
09/07/2026$204.15$204.15$207.49$201.43204,888 shs$3.25 billion
09/04/2026$206.62$204.15
-1.20%
$207.49$201.43204,888 shs$3.25 billion
09/03/2026$206.75$206.62
-0.06%
$207.93$201.10284,326 shs$3.29 billion
09/02/2026$208.52$206.75
-0.85%
$210.80$206.11199,215 shs$3.30 billion
09/01/2026$207.91$208.52
+0.29%
$210.47$204.83192,270 shs$3.32 billion
08/31/2026$206.64$207.91
+0.61%
$210.62$205.22248,236 shs$3.31 billion
08/28/2026$210.89$206.64
-2.02%
$212.21$205.70215,091 shs$3.29 billion
08/27/2026$211.04$210.89
-0.07%
$213.00$207.79313,366 shs$3.36 billion
08/26/2026$204.07$211.04
+3.42%
$211.43$203.67347,866 shs$3.36 billion
08/25/2026$204.05$204.07
+0.01%
$208.99$202.85485,364 shs$3.36 billion
08/24/2026$206.73$204.05
-1.30%
$209.99$202.00857,522 shs$3.36 billion
08/21/2026$218.09$206.73
-5.21%
$207.82$186.501.29 million shs$3.41 billion
08/20/2026$220.92$218.09
-1.28%
$221.40$214.17369,158 shs$3.59 billion
08/19/2026$218.73$220.92
+1.00%
$223.73$217.97163,471 shs$3.64 billion
08/18/2026$229.87$218.73
-4.85%
$226.65$218.52162,630 shs$3.60 billion
08/17/2026$228.27$229.87
+0.70%
$234.73$226.59125,487 shs$3.79 billion
08/14/2026$228.56$228.27
-0.13%
$232.91$226.98132,277 shs$3.76 billion
08/13/2026$231.57$228.56
-1.30%
$236.83$226.95149,342 shs$3.77 billion
08/12/2026$233.20$231.57
-0.70%
$236.80$228.55196,514 shs$3.82 billion
08/11/2026$232.61$233.20
+0.25%
$236.92$231.50170,455 shs$3.84 billion

This page (NASDAQ:OSIS) was last updated on 9/11/2026 by MarketBeat.com Staff.
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