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OSI Systems, Inc. (OSIS)
NASDAQ: OSIS · Real-Time Price · USD
282.16
+14.88 (5.57%)
At close: Mar 9, 2026, 4:00 PM EDT
285.00
+2.84 (1.01%)
After-hours: Mar 9, 2026, 6:04 PM EDT

OSI Systems Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Mar 9, 2026260.62282.81256.55282.16282.165.57%444,377
Mar 6, 2026267.60272.69264.00267.28267.28-2.46%186,330
Mar 5, 2026283.80287.77269.72274.03274.03-5.04%313,864
Mar 4, 2026287.33292.25281.40288.58288.580.59%274,301
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%150,478
Feb 25, 2026301.66302.99290.38295.26295.26-0.88%210,554
Feb 24, 2026294.41306.12294.41297.87297.871.44%299,920
Feb 23, 2026292.15295.89288.23293.65293.650.26%325,916
Feb 20, 2026286.29294.84281.03292.89292.892.38%318,348
Feb 19, 2026273.55286.08271.78286.07286.074.42%373,983
Feb 18, 2026265.76276.05264.47273.97273.973.55%187,378
Feb 17, 2026268.60271.90262.76264.58264.58-1.50%219,284
Feb 13, 2026267.99273.12264.77268.61268.611.37%139,471
Feb 12, 2026268.75275.55261.15264.98264.98-0.83%184,820
Feb 11, 2026278.26279.93264.00267.20267.20-2.52%204,382
Feb 10, 2026276.62277.74268.12274.10274.10-0.24%191,776
Feb 9, 2026271.79278.75270.55274.76274.761.29%177,142
Feb 6, 2026263.97273.63263.77271.26271.265.07%295,387
Feb 5, 2026253.28262.14249.92258.16258.162.00%388,419
Feb 4, 2026259.60267.07252.29253.10253.10-1.13%332,427
Feb 3, 2026253.94257.62248.94255.99255.991.29%238,780
Feb 2, 2026247.15256.65243.42252.72252.721.03%455,061
Jan 30, 2026264.34278.13248.17250.14250.14-7.27%653,265
Jan 29, 2026271.95281.00266.31269.74269.74-0.61%350,057
Jan 28, 2026279.14282.02269.51271.39271.39-2.01%315,880
Jan 27, 2026276.32277.90273.09276.97276.970.72%138,908
Jan 26, 2026276.85283.57271.57274.99274.99-314,512
Jan 23, 2026287.03293.24272.49274.99274.99-4.34%250,919
Jan 22, 2026289.70293.93281.97287.46287.46-0.77%256,320
Jan 21, 2026291.17294.93284.46289.68289.680.58%232,920
Jan 20, 2026285.55291.96278.61288.00288.00-1.37%127,967
Jan 16, 2026290.89293.43287.97291.99291.990.41%159,532
Jan 15, 2026288.08293.22284.96290.80290.801.45%139,719
Jan 14, 2026274.07289.46272.74286.65286.654.36%247,133
Jan 13, 2026270.27278.13270.27274.68274.682.07%170,655
Jan 12, 2026278.72278.72268.24269.12269.12-3.51%179,711
Jan 9, 2026279.29283.71278.45278.92278.92-0.25%202,417
Jan 8, 2026273.49279.62271.35279.61279.611.79%218,942
Jan 7, 2026284.52286.63273.21274.69274.69-3.47%408,952
Jan 6, 2026269.07285.79264.85284.57284.574.86%508,663
Jan 5, 2026257.47273.70256.82271.38271.386.18%299,045
Jan 2, 2026258.02260.84252.73255.58255.580.20%291,014
Dec 31, 2025262.72264.13254.63255.06255.06-3.00%247,827
Dec 30, 2025268.64272.83261.32262.95262.95-2.67%358,296
Dec 29, 2025270.49277.03263.55270.16270.160.13%251,043
Dec 26, 2025268.46270.74267.68269.82269.820.05%61,011
Dec 24, 2025269.10270.51266.47269.68269.681.04%73,167
Dec 23, 2025274.55276.88266.02266.91266.91-3.01%222,887
Dec 22, 2025266.85277.47266.85275.19275.194.03%247,591
Dec 19, 2025265.54273.25262.19264.53264.53-0.92%422,679
Dec 18, 2025265.47270.88264.21266.98266.981.77%247,007
Dec 17, 2025262.84266.37259.18262.34262.34-0.12%252,552
Dec 16, 2025264.10264.38260.77262.65262.650.10%207,513
Dec 15, 2025262.30262.93258.26262.38262.381.13%144,480
Dec 12, 2025264.81264.81257.62259.44259.44-2.41%161,768
Dec 11, 2025264.56266.73259.62265.85265.851.31%161,545
Dec 10, 2025259.57264.54257.41262.40262.400.80%183,782
Dec 9, 2025263.37266.33260.07260.32260.32-0.87%253,387
Dec 8, 2025269.05269.05261.56262.61262.61-1.27%191,436
Dec 5, 2025270.63272.05263.39266.00266.00-1.85%188,990
Dec 4, 2025272.83275.34270.06271.01271.01-0.80%204,075
Dec 3, 2025266.15275.65264.78273.19273.192.64%260,540
Dec 2, 2025270.00271.38266.03266.17266.17-0.83%158,612
Dec 1, 2025268.94274.70266.19268.39268.39-0.91%278,734
Nov 28, 2025273.46274.68268.05270.85270.85-0.26%181,795
Nov 26, 2025266.91275.50266.91271.56271.561.59%311,053
Nov 25, 2025258.12269.15253.31267.32267.324.28%379,922
Nov 24, 2025251.29258.25250.00256.34256.342.09%240,716
Nov 21, 2025233.74254.37233.74251.10251.107.32%361,789
Nov 20, 2025243.43248.32231.66233.97233.97-1.62%602,001
Nov 19, 2025250.79259.95236.41237.82237.82-5.35%405,421
Nov 18, 2025267.47269.00250.08251.26251.26-5.91%1,511,523
Nov 17, 2025257.56268.55257.56267.03267.03-2.38%423,673
Nov 14, 2025270.14276.38262.45273.55273.550.25%183,544
Nov 13, 2025280.66283.28268.29272.87272.87-3.74%205,851
Nov 12, 2025287.33292.34282.20283.48283.48-1.21%232,313
Nov 11, 2025283.37288.33282.90286.96286.960.50%226,700
Nov 10, 2025286.10288.10283.15285.53285.530.24%175,357
Nov 7, 2025279.60288.64276.75284.86284.860.92%245,190
Nov 6, 2025278.92285.00274.61282.27282.270.23%213,203
Nov 5, 2025280.36283.23274.06281.63281.631.47%109,022
Nov 4, 2025274.92282.96271.47277.54277.54-1.27%173,873
Nov 3, 2025278.28282.59273.30281.10281.100.95%384,030
Oct 31, 2025251.50282.54246.46278.46278.4614.21%644,213
Oct 30, 2025247.02249.70243.25243.82243.82-2.23%137,501
Oct 29, 2025252.93256.78244.79249.37249.37-0.63%140,520
Oct 28, 2025252.92254.77249.75250.94250.94-1.20%129,458
Oct 27, 2025253.03255.98251.95254.00254.001.15%126,116
Oct 24, 2025250.14255.34249.44251.11251.111.45%80,578
Oct 23, 2025244.36248.49241.46247.53247.531.78%65,814
Oct 22, 2025251.66251.66242.60243.19243.19-3.44%110,307
Oct 21, 2025253.12256.98241.24251.86251.86-0.88%134,837
Oct 20, 2025248.48257.19248.48254.10254.103.93%137,426
Oct 17, 2025244.89247.49242.17244.48244.48-0.92%95,157
Oct 16, 2025257.41257.41246.59246.74246.74-3.87%170,552
Oct 15, 2025253.33257.12250.46256.66256.662.56%119,263
Oct 14, 2025243.96252.73243.39250.25250.251.26%75,602