OSI Systems (OSIS) Stock Chart & Stock Price History $226.95 -3.18 (-1.38%) Closing price 04:00 PM EasternExtended Trading$226.90 -0.05 (-0.02%) As of 07:04 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 Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock 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 increased 57.04%, with a year-to-date return of 35.55%. In the past month, the stock has increased 20.69%, reflecting recent market activity. As of the latest close, OSI Systems traded at $230.13 with a market cap of $3.86 billion and volume of 80,544 shares. Five years ago, the stock traded at $73.07, representing a 210.59% increase over that period. At the time, it had a market cap of $1.30 billion and a volume of 57,300 shares. Receive OSIS Stock News and Ratings via EmailSign-up to receive the latest news and ratings for OSI Systems and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance-2.18%1 Month Performance+20.69%3 Month Performance+12.20%Year-To-Date Performance+35.55%1 Year Performance+57.04%5 Year Performance+210.59% OSIS Stock Chart for Wednesday, May, 21, 2025 OSIS Chart by TradingView OSI Systems Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame * Start Date * End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization05/21/2025$230.13$226.95-1.38%$229.88$224.33144,816 shs$3.81 billion05/20/2025$229.65$230.13+0.21%$231.00$228.8180,544 shs$3.86 billion05/19/2025$232.00$229.65-1.01%$230.18$227.7989,731 shs$3.86 billion05/16/2025$227.98$232.00+1.76%$232.17$226.58185,495 shs$3.90 billion05/15/2025$226.22$227.98+0.78%$228.20$223.17160,237 shs$3.83 billion05/14/2025$230.25$226.22-1.75%$233.58$226.21203,992 shs$3.80 billion05/13/2025$226.99$230.25+1.44%$232.00$227.24223,167 shs$3.87 billion05/12/2025$223.56$226.99+1.53%$233.80$226.00177,859 shs$3.81 billion05/09/2025$222.17$223.56+0.63%$224.17$219.03134,062 shs$3.76 billion05/08/2025$221.39$222.17+0.35%$226.01$220.89221,639 shs$3.73 billion Get the Latest News and Ratings for OSIS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for OSI Systems and its competitors with MarketBeat's FREE daily newsletter. 05/07/2025$220.61$221.39+0.35%$224.16$218.18203,972 shs$3.72 billion05/06/2025$220.56$220.61+0.02%$222.45$215.34365,773 shs$3.71 billion05/05/2025$224.86$220.56-1.91%$225.09$220.08208,037 shs$3.71 billion05/02/2025$224.33$224.86+0.24%$227.34$219.79443,039 shs$3.78 billion05/01/2025$204.74$224.33+9.57%$226.49$210.30683,282 shs$3.77 billion04/30/2025$203.12$204.74+0.80%$205.77$197.95182,261 shs$3.44 billion04/29/2025$201.50$203.12+0.80%$204.26$199.4198,720 shs$3.41 billion04/28/2025$201.68$201.50-0.09%$204.56$198.49154,881 shs$3.38 billion04/25/2025$202.31$201.68-0.31%$203.04$198.01102,437 shs$3.39 billion04/24/2025$193.58$202.31+4.51%$202.71$192.87125,865 shs$3.40 billion04/23/2025$189.42$193.58+2.20%$201.69$192.79174,583 shs$3.25 billion04/22/2025$188.04$189.42+0.73%$192.75$188.48109,030 shs$3.18 billion04/21/2025$194.19$188.04-3.17%$193.82$186.16119,443 shs$3.16 billion Related Companies Coherent Stock Chart Badger Meter Stock Chart Cognex Stock Chart Itron Stock Chart FARO Technologies Stock Chart Daktronics Stock Chart Mesa Laboratories Stock Chart Vishay Precision Group Stock Chart Astera Labs Stock Chart Skyworks Solutions Stock Chart Receive OSIS Stock News and Ratings via EmailSign-up to receive the latest news and ratings for OSI Systems and its competitors with MarketBeat's FREE daily newsletter. 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