OSI Systems, Inc. (OSIS)
NASDAQ: OSIS · Real-Time Price · USD
266.00
-5.01 (-1.85%)
At close: Dec 5, 2025, 4:00 PM EST
260.00
-6.00 (-2.26%)
After-hours: Dec 5, 2025, 7:58 PM EST
OSI Systems Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Dec 5, 2025 | 270.63 | 272.05 | 263.39 | 266.00 | 266.00 | -1.85% | 182,387 |
| Dec 4, 2025 | 272.83 | 275.34 | 270.06 | 271.01 | 271.01 | -0.80% | 204,071 |
| Dec 3, 2025 | 266.15 | 275.65 | 264.78 | 273.19 | 273.19 | 2.64% | 260,540 |
| Dec 2, 2025 | 270.00 | 271.38 | 266.03 | 266.17 | 266.17 | -0.83% | 158,611 |
| Dec 1, 2025 | 268.94 | 274.70 | 266.19 | 268.39 | 268.39 | -0.91% | 278,731 |
| Nov 28, 2025 | 273.46 | 274.68 | 268.05 | 270.85 | 270.85 | -0.26% | 181,793 |
| Nov 26, 2025 | 266.91 | 275.50 | 266.91 | 271.56 | 271.56 | 1.59% | 311,053 |
| Nov 25, 2025 | 258.12 | 269.15 | 253.31 | 267.32 | 267.32 | 4.28% | 379,920 |
| Nov 24, 2025 | 251.29 | 258.25 | 250.00 | 256.34 | 256.34 | 2.09% | 237,373 |
| Nov 21, 2025 | 233.74 | 254.37 | 233.74 | 251.10 | 251.10 | 7.32% | 361,696 |
| Nov 20, 2025 | 243.43 | 248.32 | 231.66 | 233.97 | 233.97 | -1.62% | 602,000 |
| Nov 19, 2025 | 250.79 | 259.95 | 236.41 | 237.82 | 237.82 | -5.35% | 405,421 |
| Nov 18, 2025 | 267.47 | 269.00 | 250.08 | 251.26 | 251.26 | -5.91% | 1,511,523 |
| Nov 17, 2025 | 257.56 | 268.55 | 257.56 | 267.03 | 267.03 | -2.38% | 423,673 |
| Nov 14, 2025 | 270.14 | 276.38 | 262.45 | 273.55 | 273.55 | 0.25% | 183,544 |
| Nov 13, 2025 | 280.66 | 283.28 | 268.29 | 272.87 | 272.87 | -3.74% | 205,851 |
| Nov 12, 2025 | 287.33 | 292.34 | 282.20 | 283.48 | 283.48 | -1.21% | 232,313 |
| Nov 11, 2025 | 283.37 | 288.33 | 282.90 | 286.96 | 286.96 | 0.50% | 226,700 |
| Nov 10, 2025 | 286.10 | 288.10 | 283.15 | 285.53 | 285.53 | 0.24% | 175,357 |
| Nov 7, 2025 | 279.60 | 288.64 | 276.75 | 284.86 | 284.86 | 0.92% | 245,190 |
| Nov 6, 2025 | 278.92 | 285.00 | 274.61 | 282.27 | 282.27 | 0.23% | 213,203 |
| Nov 5, 2025 | 280.36 | 283.23 | 274.06 | 281.63 | 281.63 | 1.47% | 109,022 |
| Nov 4, 2025 | 274.92 | 282.96 | 271.47 | 277.54 | 277.54 | -1.27% | 173,873 |
| Nov 3, 2025 | 278.28 | 282.59 | 273.30 | 281.10 | 281.10 | 0.95% | 384,030 |
| Oct 31, 2025 | 251.50 | 282.54 | 246.46 | 278.46 | 278.46 | 14.21% | 644,213 |
| Oct 30, 2025 | 247.02 | 249.70 | 243.25 | 243.82 | 243.82 | -2.23% | 137,501 |
| Oct 29, 2025 | 252.93 | 256.78 | 244.79 | 249.37 | 249.37 | -0.63% | 140,520 |
| Oct 28, 2025 | 252.92 | 254.77 | 249.75 | 250.94 | 250.94 | -1.20% | 129,458 |
| Oct 27, 2025 | 253.03 | 255.98 | 251.95 | 254.00 | 254.00 | 1.15% | 126,116 |
| Oct 24, 2025 | 250.14 | 255.34 | 249.44 | 251.11 | 251.11 | 1.45% | 80,578 |
| Oct 23, 2025 | 244.36 | 248.49 | 241.46 | 247.53 | 247.53 | 1.78% | 65,814 |
| Oct 22, 2025 | 251.66 | 251.66 | 242.60 | 243.19 | 243.19 | -3.44% | 110,307 |
| Oct 21, 2025 | 253.12 | 256.98 | 241.24 | 251.86 | 251.86 | -0.88% | 134,837 |
| Oct 20, 2025 | 248.48 | 257.19 | 248.48 | 254.10 | 254.10 | 3.93% | 137,426 |
| Oct 17, 2025 | 244.89 | 247.49 | 242.17 | 244.48 | 244.48 | -0.92% | 95,157 |
| Oct 16, 2025 | 257.41 | 257.41 | 246.59 | 246.74 | 246.74 | -3.87% | 170,552 |
| Oct 15, 2025 | 253.33 | 257.12 | 250.46 | 256.66 | 256.66 | 2.56% | 119,263 |
| Oct 14, 2025 | 243.96 | 252.73 | 243.39 | 250.25 | 250.25 | 1.26% | 75,602 |
| Oct 13, 2025 | 244.76 | 249.31 | 243.80 | 247.13 | 247.13 | 2.33% | 78,600 |
| Oct 10, 2025 | 249.23 | 249.69 | 241.19 | 241.50 | 241.50 | -3.23% | 173,285 |
| Oct 9, 2025 | 250.56 | 250.83 | 246.06 | 249.57 | 249.57 | 0.39% | 127,992 |
| Oct 8, 2025 | 251.22 | 253.87 | 244.82 | 248.61 | 248.61 | -0.31% | 144,137 |
| Oct 7, 2025 | 252.00 | 254.89 | 248.00 | 249.38 | 249.38 | -0.71% | 140,971 |
| Oct 6, 2025 | 252.58 | 257.33 | 250.99 | 251.17 | 251.17 | -0.04% | 114,166 |
| Oct 3, 2025 | 249.83 | 255.49 | 249.70 | 251.27 | 251.27 | 1.29% | 118,990 |
| Oct 2, 2025 | 246.58 | 249.11 | 244.18 | 248.08 | 248.08 | 0.99% | 131,219 |
| Oct 1, 2025 | 246.77 | 248.61 | 243.59 | 245.66 | 245.66 | -1.44% | 185,438 |
| Sep 30, 2025 | 238.26 | 249.79 | 235.92 | 249.24 | 249.24 | 4.73% | 228,762 |
| Sep 29, 2025 | 239.05 | 242.62 | 236.94 | 237.99 | 237.99 | 0.66% | 152,546 |
| Sep 26, 2025 | 234.59 | 237.72 | 231.90 | 236.42 | 236.42 | 2.07% | 109,265 |
| Sep 25, 2025 | 226.90 | 232.37 | 224.34 | 231.63 | 231.63 | 1.77% | 160,734 |
| Sep 24, 2025 | 237.28 | 237.28 | 226.50 | 227.60 | 227.60 | -3.88% | 157,094 |
| Sep 23, 2025 | 238.04 | 241.30 | 235.02 | 236.79 | 236.79 | -0.31% | 164,762 |
| Sep 22, 2025 | 234.26 | 238.38 | 227.51 | 237.52 | 237.52 | 0.88% | 135,298 |
| Sep 19, 2025 | 243.20 | 244.38 | 233.96 | 235.44 | 235.44 | -2.89% | 453,980 |
| Sep 18, 2025 | 237.70 | 244.49 | 236.97 | 242.45 | 242.45 | 2.09% | 138,619 |
| Sep 17, 2025 | 239.11 | 242.22 | 235.64 | 237.49 | 237.49 | -0.26% | 103,900 |
| Sep 16, 2025 | 236.07 | 238.51 | 234.67 | 238.10 | 238.10 | 0.79% | 144,932 |
| Sep 15, 2025 | 234.67 | 237.32 | 232.39 | 236.24 | 236.24 | 0.61% | 81,421 |
| Sep 12, 2025 | 238.29 | 238.29 | 233.39 | 234.80 | 234.80 | -1.98% | 76,780 |
| Sep 11, 2025 | 236.34 | 240.71 | 236.34 | 239.55 | 239.55 | 1.63% | 107,694 |
| Sep 10, 2025 | 229.65 | 239.06 | 229.28 | 235.70 | 235.70 | 2.63% | 162,118 |
| Sep 9, 2025 | 229.42 | 231.32 | 227.20 | 229.65 | 229.65 | 0.24% | 114,095 |
| Sep 8, 2025 | 233.75 | 235.49 | 226.00 | 229.11 | 229.11 | -1.90% | 155,106 |
| Sep 5, 2025 | 235.71 | 238.16 | 231.40 | 233.55 | 233.55 | -0.92% | 106,835 |
| Sep 4, 2025 | 233.58 | 236.93 | 232.08 | 235.71 | 235.71 | 1.22% | 113,747 |
| Sep 3, 2025 | 231.51 | 235.00 | 228.91 | 232.88 | 232.88 | 0.09% | 176,266 |
| Sep 2, 2025 | 226.14 | 233.24 | 226.08 | 232.66 | 232.66 | 1.13% | 118,974 |
| Aug 29, 2025 | 228.80 | 231.44 | 226.93 | 230.05 | 230.05 | 0.41% | 122,191 |
| Aug 28, 2025 | 230.98 | 232.38 | 225.54 | 229.12 | 229.12 | -0.55% | 187,717 |
| Aug 27, 2025 | 230.81 | 234.28 | 230.00 | 230.38 | 230.38 | -0.17% | 198,875 |
| Aug 26, 2025 | 225.27 | 232.15 | 225.27 | 230.78 | 230.78 | 2.48% | 219,882 |
| Aug 25, 2025 | 228.99 | 228.99 | 224.16 | 225.19 | 225.19 | -1.53% | 170,076 |
| Aug 22, 2025 | 221.26 | 230.37 | 218.77 | 228.70 | 228.70 | 4.96% | 324,970 |
| Aug 21, 2025 | 220.18 | 228.65 | 204.00 | 217.89 | 217.89 | -2.46% | 770,919 |
| Aug 20, 2025 | 226.79 | 229.00 | 219.83 | 223.39 | 223.39 | -1.55% | 530,315 |
| Aug 19, 2025 | 231.61 | 232.94 | 226.21 | 226.91 | 226.91 | -1.86% | 134,992 |
| Aug 18, 2025 | 234.07 | 236.58 | 230.99 | 231.22 | 231.22 | -1.30% | 220,048 |
| Aug 15, 2025 | 234.32 | 234.69 | 232.61 | 234.27 | 234.27 | 0.33% | 135,965 |
| Aug 14, 2025 | 232.61 | 236.27 | 231.11 | 233.49 | 233.49 | -1.08% | 133,701 |
| Aug 13, 2025 | 235.30 | 239.13 | 232.68 | 236.05 | 236.05 | 1.23% | 141,007 |
| Aug 12, 2025 | 225.73 | 233.65 | 224.60 | 233.18 | 233.18 | 4.00% | 133,122 |
| Aug 11, 2025 | 226.09 | 227.69 | 223.75 | 224.22 | 224.22 | -0.76% | 283,443 |
| Aug 8, 2025 | 225.79 | 228.95 | 222.33 | 225.94 | 225.94 | 0.90% | 141,174 |
| Aug 7, 2025 | 222.79 | 223.93 | 219.79 | 223.93 | 223.93 | 1.30% | 113,418 |
| Aug 6, 2025 | 220.56 | 222.72 | 218.79 | 221.05 | 221.05 | 0.64% | 99,429 |
| Aug 5, 2025 | 221.15 | 221.70 | 217.99 | 219.64 | 219.64 | -0.92% | 162,685 |
| Aug 4, 2025 | 221.12 | 224.12 | 217.56 | 221.69 | 221.69 | 0.97% | 155,993 |
| Aug 1, 2025 | 216.64 | 220.46 | 215.03 | 219.57 | 219.57 | -0.65% | 158,793 |
| Jul 31, 2025 | 222.15 | 224.13 | 220.05 | 221.01 | 221.01 | -1.13% | 118,271 |
| Jul 30, 2025 | 226.09 | 230.48 | 222.00 | 223.54 | 223.54 | -0.75% | 139,567 |
| Jul 29, 2025 | 226.12 | 227.87 | 223.74 | 225.22 | 225.22 | 0.51% | 78,029 |
| Jul 28, 2025 | 225.17 | 226.26 | 220.37 | 224.07 | 224.07 | -0.89% | 126,325 |
| Jul 25, 2025 | 225.30 | 229.70 | 224.91 | 226.08 | 226.08 | 0.92% | 101,423 |
| Jul 24, 2025 | 224.44 | 226.91 | 223.62 | 224.03 | 224.03 | -1.16% | 110,532 |
| Jul 23, 2025 | 218.90 | 227.53 | 217.50 | 226.66 | 226.66 | 4.42% | 147,055 |
| Jul 22, 2025 | 215.10 | 217.71 | 210.02 | 217.07 | 217.07 | 0.55% | 145,620 |
| Jul 21, 2025 | 212.66 | 221.01 | 211.54 | 215.89 | 215.89 | 2.14% | 143,570 |
| Jul 18, 2025 | 216.25 | 216.25 | 209.30 | 211.38 | 211.38 | -1.14% | 129,566 |
| Jul 17, 2025 | 212.00 | 216.02 | 205.87 | 213.82 | 213.82 | 0.81% | 148,656 |