OSI Systems, Inc. (OSIS)
NASDAQ: OSIS · Real-Time Price · USD
280.36
-6.94 (-2.42%)
Apr 29, 2026, 12:34 PM EDT - Market open
OSI Systems Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 29, 2026 | 287.71 | 293.52 | 283.40 | 284.69 | - | -0.91% | 53,388 |
| Apr 28, 2026 | 290.94 | 292.21 | 281.89 | 287.30 | 287.30 | -1.39% | 242,053 |
| Apr 27, 2026 | 292.61 | 295.50 | 284.15 | 291.34 | 291.34 | -0.43% | 221,782 |
| Apr 24, 2026 | 285.87 | 295.36 | 284.69 | 292.61 | 292.61 | 2.19% | 259,128 |
| Apr 23, 2026 | 295.62 | 308.56 | 285.97 | 286.35 | 286.35 | -2.11% | 389,989 |
| Apr 22, 2026 | 300.39 | 304.22 | 290.28 | 292.52 | 292.52 | -1.46% | 226,170 |
| Apr 21, 2026 | 309.08 | 311.72 | 293.56 | 296.84 | 296.84 | -3.99% | 246,957 |
| Apr 20, 2026 | 307.28 | 310.43 | 302.28 | 309.19 | 309.19 | -0.16% | 269,707 |
| Apr 17, 2026 | 306.47 | 311.27 | 304.27 | 309.68 | 309.68 | 2.86% | 190,875 |
| Apr 16, 2026 | 305.88 | 307.16 | 299.85 | 301.08 | 301.08 | -1.58% | 172,294 |
| Apr 15, 2026 | 301.87 | 309.73 | 301.00 | 305.90 | 305.90 | 3.05% | 247,338 |
| Apr 14, 2026 | 298.11 | 300.72 | 296.70 | 296.86 | 296.86 | -0.20% | 131,446 |
| Apr 13, 2026 | 293.66 | 300.31 | 290.87 | 297.45 | 297.45 | 1.38% | 190,922 |
| Apr 10, 2026 | 296.19 | 297.22 | 292.48 | 293.39 | 293.39 | -0.37% | 130,985 |
| Apr 9, 2026 | 288.80 | 295.98 | 288.80 | 294.48 | 294.48 | 2.08% | 182,515 |
| Apr 8, 2026 | 283.60 | 293.23 | 283.60 | 288.47 | 288.47 | 4.69% | 236,790 |
| Apr 7, 2026 | 272.99 | 275.71 | 266.84 | 275.55 | 275.55 | 0.44% | 201,537 |
| Apr 6, 2026 | 268.69 | 275.59 | 268.69 | 274.33 | 274.33 | 2.32% | 206,312 |
| Apr 2, 2026 | 258.65 | 272.59 | 255.12 | 268.11 | 268.11 | 1.72% | 260,361 |
| Apr 1, 2026 | 269.02 | 271.88 | 262.15 | 263.58 | 263.58 | -0.73% | 369,871 |
| Mar 31, 2026 | 265.95 | 270.55 | 261.50 | 265.51 | 265.51 | 0.30% | 389,105 |
| Mar 30, 2026 | 278.33 | 278.33 | 263.96 | 264.71 | 264.71 | -2.80% | 394,483 |
| Mar 27, 2026 | 271.88 | 278.65 | 269.95 | 272.33 | 272.33 | -0.86% | 286,861 |
| Mar 26, 2026 | 280.86 | 284.00 | 272.77 | 274.70 | 274.70 | -3.47% | 227,046 |
| Mar 25, 2026 | 288.14 | 288.30 | 279.68 | 284.57 | 284.57 | -0.25% | 166,172 |
| Mar 24, 2026 | 285.79 | 289.49 | 279.74 | 285.27 | 285.27 | -1.34% | 308,291 |
| Mar 23, 2026 | 279.34 | 295.70 | 279.34 | 289.13 | 289.13 | 5.35% | 591,368 |
| Mar 20, 2026 | 282.99 | 285.07 | 270.20 | 274.45 | 274.45 | -3.54% | 692,800 |
| Mar 19, 2026 | 265.67 | 289.85 | 265.67 | 284.53 | 284.53 | 5.40% | 392,328 |
| Mar 18, 2026 | 269.44 | 275.29 | 264.70 | 269.95 | 269.95 | 0.32% | 271,220 |
| Mar 17, 2026 | 279.65 | 280.17 | 262.59 | 269.08 | 269.08 | -3.33% | 323,211 |
| Mar 16, 2026 | 274.00 | 282.20 | 272.89 | 278.35 | 278.35 | 2.74% | 231,956 |
| Mar 13, 2026 | 277.02 | 278.00 | 265.85 | 270.92 | 270.92 | -1.66% | 172,526 |
| Mar 12, 2026 | 278.35 | 279.93 | 272.08 | 275.50 | 275.50 | -1.42% | 366,161 |
| Mar 11, 2026 | 276.30 | 279.97 | 267.29 | 279.47 | 279.47 | 0.16% | 188,081 |
| Mar 10, 2026 | 283.90 | 287.00 | 276.26 | 279.01 | 279.01 | -1.12% | 284,388 |
| Mar 9, 2026 | 260.62 | 282.81 | 256.55 | 282.16 | 282.16 | 5.57% | 444,380 |
| Mar 6, 2026 | 267.60 | 272.69 | 264.00 | 267.28 | 267.28 | -2.46% | 186,332 |
| Mar 5, 2026 | 283.80 | 287.77 | 269.72 | 274.03 | 274.03 | -5.04% | 325,084 |
| Mar 4, 2026 | 287.33 | 292.25 | 281.40 | 288.58 | 288.58 | 0.59% | 275,440 |
| Mar 3, 2026 | 279.78 | 291.48 | 276.00 | 286.90 | 286.90 | 0.08% | 210,855 |
| Mar 2, 2026 | 282.01 | 290.75 | 281.43 | 286.67 | 286.67 | 0.52% | 280,282 |
| Feb 27, 2026 | 287.10 | 288.93 | 280.40 | 285.20 | 285.20 | -1.63% | 144,395 |
| Feb 26, 2026 | 296.80 | 304.07 | 285.45 | 289.92 | 289.92 | -1.81% | 150,498 |
| Feb 25, 2026 | 301.66 | 302.99 | 290.38 | 295.26 | 295.26 | -0.88% | 210,562 |
| Feb 24, 2026 | 294.41 | 306.12 | 294.41 | 297.87 | 297.87 | 1.44% | 299,920 |
| Feb 23, 2026 | 292.15 | 295.89 | 288.23 | 293.65 | 293.65 | 0.26% | 325,916 |
| Feb 20, 2026 | 286.29 | 294.84 | 281.03 | 292.89 | 292.89 | 2.38% | 318,348 |
| Feb 19, 2026 | 273.55 | 286.08 | 271.78 | 286.07 | 286.07 | 4.42% | 373,983 |
| Feb 18, 2026 | 265.76 | 276.05 | 264.47 | 273.97 | 273.97 | 3.55% | 187,378 |
| Feb 17, 2026 | 268.60 | 271.90 | 262.76 | 264.58 | 264.58 | -1.50% | 219,284 |
| Feb 13, 2026 | 267.99 | 273.12 | 264.77 | 268.61 | 268.61 | 1.37% | 139,471 |
| Feb 12, 2026 | 268.75 | 275.55 | 261.15 | 264.98 | 264.98 | -0.83% | 184,820 |
| Feb 11, 2026 | 278.26 | 279.93 | 264.00 | 267.20 | 267.20 | -2.52% | 204,382 |
| Feb 10, 2026 | 276.62 | 277.74 | 268.12 | 274.10 | 274.10 | -0.24% | 191,776 |
| Feb 9, 2026 | 271.79 | 278.75 | 270.55 | 274.76 | 274.76 | 1.29% | 177,388 |
| Feb 6, 2026 | 263.97 | 273.63 | 263.77 | 271.26 | 271.26 | 5.07% | 295,387 |
| Feb 5, 2026 | 253.28 | 262.14 | 249.92 | 258.16 | 258.16 | 2.00% | 388,436 |
| Feb 4, 2026 | 259.60 | 267.07 | 252.29 | 253.10 | 253.10 | -1.13% | 332,433 |
| Feb 3, 2026 | 253.94 | 257.62 | 248.94 | 255.99 | 255.99 | 1.29% | 238,797 |
| Feb 2, 2026 | 247.15 | 256.65 | 243.42 | 252.72 | 252.72 | 1.03% | 455,096 |
| Jan 30, 2026 | 264.34 | 278.13 | 248.17 | 250.14 | 250.14 | -7.27% | 653,380 |
| Jan 29, 2026 | 271.95 | 281.00 | 266.31 | 269.74 | 269.74 | -0.61% | 350,077 |
| Jan 28, 2026 | 279.14 | 282.02 | 269.51 | 271.39 | 271.39 | -2.01% | 315,881 |
| Jan 27, 2026 | 276.32 | 277.90 | 273.09 | 276.97 | 276.97 | 0.72% | 143,409 |
| Jan 26, 2026 | 276.85 | 283.57 | 271.57 | 274.99 | 274.99 | - | 314,703 |
| Jan 23, 2026 | 287.03 | 293.24 | 272.49 | 274.99 | 274.99 | -4.34% | 251,423 |
| Jan 22, 2026 | 289.70 | 293.93 | 281.97 | 287.46 | 287.46 | -0.77% | 256,827 |
| Jan 21, 2026 | 291.17 | 294.93 | 284.46 | 289.68 | 289.68 | 0.58% | 235,961 |
| Jan 20, 2026 | 285.55 | 291.96 | 278.61 | 288.00 | 288.00 | -1.37% | 127,982 |
| Jan 16, 2026 | 290.89 | 293.43 | 287.97 | 291.99 | 291.99 | 0.41% | 161,070 |
| Jan 15, 2026 | 288.08 | 293.22 | 284.96 | 290.80 | 290.80 | 1.45% | 139,719 |
| Jan 14, 2026 | 274.07 | 289.46 | 272.74 | 286.65 | 286.65 | 4.36% | 247,133 |
| Jan 13, 2026 | 270.27 | 278.13 | 270.27 | 274.68 | 274.68 | 2.07% | 170,655 |
| Jan 12, 2026 | 278.72 | 278.72 | 268.24 | 269.12 | 269.12 | -3.51% | 179,712 |
| Jan 9, 2026 | 279.29 | 283.71 | 278.45 | 278.92 | 278.92 | -0.25% | 202,417 |
| Jan 8, 2026 | 273.49 | 279.62 | 271.35 | 279.61 | 279.61 | 1.79% | 226,650 |
| Jan 7, 2026 | 284.52 | 286.63 | 273.21 | 274.69 | 274.69 | -3.47% | 408,952 |
| Jan 6, 2026 | 269.07 | 285.79 | 264.85 | 284.57 | 284.57 | 4.86% | 521,764 |
| Jan 5, 2026 | 257.47 | 273.70 | 256.82 | 271.38 | 271.38 | 6.18% | 299,067 |
| Jan 2, 2026 | 258.02 | 260.84 | 252.73 | 255.58 | 255.58 | 0.20% | 291,087 |
| Dec 31, 2025 | 262.72 | 264.13 | 254.63 | 255.06 | 255.06 | -3.00% | 253,620 |
| Dec 30, 2025 | 268.64 | 272.83 | 261.32 | 262.95 | 262.95 | -2.67% | 358,296 |
| Dec 29, 2025 | 270.49 | 277.03 | 263.55 | 270.16 | 270.16 | 0.13% | 253,050 |
| Dec 26, 2025 | 268.46 | 270.74 | 267.68 | 269.82 | 269.82 | 0.05% | 63,084 |
| Dec 24, 2025 | 269.10 | 270.51 | 266.47 | 269.68 | 269.68 | 1.04% | 73,167 |
| Dec 23, 2025 | 274.55 | 276.88 | 266.02 | 266.91 | 266.91 | -3.01% | 226,958 |
| Dec 22, 2025 | 266.85 | 277.47 | 266.85 | 275.19 | 275.19 | 4.03% | 247,596 |
| Dec 19, 2025 | 265.54 | 273.25 | 262.19 | 264.53 | 264.53 | -0.92% | 422,873 |
| Dec 18, 2025 | 265.47 | 270.88 | 264.21 | 266.98 | 266.98 | 1.77% | 304,411 |
| Dec 17, 2025 | 262.84 | 266.37 | 259.18 | 262.34 | 262.34 | -0.12% | 252,552 |
| Dec 16, 2025 | 264.10 | 264.38 | 260.77 | 262.65 | 262.65 | 0.10% | 207,513 |
| Dec 15, 2025 | 262.30 | 262.93 | 258.26 | 262.38 | 262.38 | 1.13% | 144,480 |
| Dec 12, 2025 | 264.81 | 264.81 | 257.62 | 259.44 | 259.44 | -2.41% | 161,768 |
| Dec 11, 2025 | 264.56 | 266.73 | 259.62 | 265.85 | 265.85 | 1.31% | 161,545 |
| Dec 10, 2025 | 259.57 | 264.54 | 257.41 | 262.40 | 262.40 | 0.80% | 183,782 |
| Dec 9, 2025 | 263.37 | 266.33 | 260.07 | 260.32 | 260.32 | -0.87% | 253,387 |
| Dec 8, 2025 | 269.05 | 269.05 | 261.56 | 262.61 | 262.61 | -1.27% | 191,436 |
| Dec 5, 2025 | 270.63 | 272.05 | 263.39 | 266.00 | 266.00 | -1.85% | 188,990 |
| Dec 4, 2025 | 272.83 | 275.34 | 270.06 | 271.01 | 271.01 | -0.80% | 204,075 |