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OSI Systems, Inc. (OSIS)
NASDAQ: OSIS · Real-Time Price · USD
282.87
+0.37 (0.13%)
At close: May 4, 2026, 4:00 PM EDT
287.00
+4.13 (1.46%)
After-hours: May 4, 2026, 6:15 PM EDT

OSI Systems Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
May 4, 2026280.42286.49274.32282.87282.870.13%237,246
May 1, 2026287.80289.40279.43282.50282.50-1.54%204,213
Apr 30, 2026284.71287.62279.61286.92286.921.80%297,828
Apr 29, 2026287.71293.52279.98281.84281.84-1.90%194,308
Apr 28, 2026290.94292.21281.89287.30287.30-1.39%242,172
Apr 27, 2026292.61295.50284.15291.34291.34-0.43%221,782
Apr 24, 2026285.87295.36284.69292.61292.612.19%259,553
Apr 23, 2026295.62308.56285.97286.35286.35-2.11%389,999
Apr 22, 2026300.39304.22290.28292.52292.52-1.46%226,172
Apr 21, 2026309.08311.72293.56296.84296.84-3.99%247,012
Apr 20, 2026307.28310.43302.28309.19309.19-0.16%269,707
Apr 17, 2026306.47311.27304.27309.68309.682.86%190,918
Apr 16, 2026305.88307.16299.85301.08301.08-1.58%175,099
Apr 15, 2026301.87309.73301.00305.90305.903.05%248,025
Apr 14, 2026298.11300.72296.70296.86296.86-0.20%131,480
Apr 13, 2026293.66300.31290.87297.45297.451.38%190,923
Apr 10, 2026296.19297.22292.48293.39293.39-0.37%131,026
Apr 9, 2026288.80295.98288.80294.48294.482.08%182,515
Apr 8, 2026283.60293.23283.60288.47288.474.69%236,804
Apr 7, 2026272.99275.71266.84275.55275.550.44%201,843
Apr 6, 2026268.69275.59268.69274.33274.332.32%206,334
Apr 2, 2026258.65272.59255.12268.11268.111.72%260,363
Apr 1, 2026269.02271.88262.15263.58263.58-0.73%369,877
Mar 31, 2026265.95270.55261.50265.51265.510.30%389,105
Mar 30, 2026278.33278.33263.96264.71264.71-2.80%394,506
Mar 27, 2026271.88278.65269.95272.33272.33-0.86%288,072
Mar 26, 2026280.86284.00272.77274.70274.70-3.47%227,084
Mar 25, 2026288.14288.30279.68284.57284.57-0.25%166,172
Mar 24, 2026285.79289.49279.74285.27285.27-1.34%308,291
Mar 23, 2026279.34295.70279.34289.13289.135.35%591,368
Mar 20, 2026282.99285.07270.20274.45274.45-3.54%692,800
Mar 19, 2026265.67289.85265.67284.53284.535.40%392,328
Mar 18, 2026269.44275.29264.70269.95269.950.32%271,220
Mar 17, 2026279.65280.17262.59269.08269.08-3.33%323,211
Mar 16, 2026274.00282.20272.89278.35278.352.74%231,956
Mar 13, 2026277.02278.00265.85270.92270.92-1.66%172,526
Mar 12, 2026278.35279.93272.08275.50275.50-1.42%366,161
Mar 11, 2026276.30279.97267.29279.47279.470.16%188,081
Mar 10, 2026283.90287.00276.26279.01279.01-1.12%284,388
Mar 9, 2026260.62282.81256.55282.16282.165.57%444,380
Mar 6, 2026267.60272.69264.00267.28267.28-2.46%186,332
Mar 5, 2026283.80287.77269.72274.03274.03-5.04%325,084
Mar 4, 2026287.33292.25281.40288.58288.580.59%275,440
Mar 3, 2026279.78291.48276.00286.90286.900.08%210,855
Mar 2, 2026282.01290.75281.43286.67286.670.52%280,282
Feb 27, 2026287.10288.93280.40285.20285.20-1.63%144,395
Feb 26, 2026296.80304.07285.45289.92289.92-1.81%150,498
Feb 25, 2026301.66302.99290.38295.26295.26-0.88%210,562
Feb 24, 2026294.41306.12294.41297.87297.871.44%299,920
Feb 23, 2026292.15295.89288.23293.65293.650.26%325,916