OSI Systems Stock Price History
NASDAQ: OSISTechnologySemiconductorsUSD
194.91+1.55 (+0.80%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
OSIS price history at a glance
The price history for OSI Systems (OSIS) on this page begins on September 29, 1997, when the stock closed at $15.50; it most recently closed at $194.91 on October 5, 2026. The highest price in this record is $311.72, reached on April 20, 2026; the latest close is 37.5% below that peak. Across the 28 complete calendar years in the table, OSIS finished higher in 17 and lower in 11. Its best year was 2001 (+195.8%) and its worst was 2008 (-42.9%).
Over roughly 29 years the share price changed +1157.5%, a 9.1% compound annual price return (excluding dividends). In the last 12 months alone, OSIS has lost 19.3%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 1997
- $311.72
- Date of high
- Apr 20, 2026
- Low since 1997
- $2.65
- Date of low
- Apr 9, 2001
- 52-week high
- $311.72
- 52-week low
- $186.50
- IPO year
- 1997
- Last close
- $194.91
OSIS returns
1 week
-0.95%
1 month
-1.31%
3 months
-9.98%
6 months
-33.57%
Year to date
-23.58%
1 year
-19.29%
3 years
+66.09%
5 years
+105.38%
OSIS price return, excluding dividends.
OSIS annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 194.91 | -23.74% |
| 2025 | 255.58 | +53.24% |
| 2024 | 166.78 | +29.24% |
| 2023 | 129.05 | +62.29% |
| 2022 | 79.52 | -14.68% |
| 2021 | 93.20 | -0.02% |
| 2020 | 93.22 | -7.99% |
| 2019 | 101.31 | +39.66% |
| 2018 | 72.54 | +12.67% |
| 2017 | 64.38 | -15.42% |
| 2016 | 76.12 | -14.14% |
| 2015 | 88.66 | +25.79% |
| 2014 | 70.48 | +32.08% |
| 2013 | 53.36 | -22.68% |
| 2012 | 69.01 | +41.47% |
| 2011 | 48.78 | +34.16% |
| 2010 | 36.36 | +33.28% |
| 2009 | 27.28 | +89.97% |
| 2008 | 14.36 | -42.95% |
| 2007 | 25.17 | +20.26% |
| 2006 | 20.93 | +13.81% |
| 2005 | 18.39 | -19.02% |
| 2004 | 22.71 | +17.55% |
| 2003 | 19.32 | +12.20% |
| 2002 | 17.22 | -4.97% |
| 2001 | 18.12 | +195.84% |
| 2000 | 6.13 | +11.36% |
| 1999 | 5.50 | -36.23% |
| 1998 | 8.63 | -31.00% |
| 1997* | 12.50 | -19.35% |
* Partial year: the record begins after the start of 1997; return measured from the first available close.
2026 return is year to date.
OSIS daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 194.00 | 195.52 | 190.07 | 194.91 | +0.80% | |
| 192.75 | 196.25 | 191.09 | 193.36 | -0.36% | |
| 195.53 | 197.41 | 191.09 | 194.05 | -2.27% | |
| 199.55 | 199.55 | 196.43 | 198.56 | +0.35% | |
| 197.73 | 199.53 | 194.24 | 197.87 | +0.55% | |
| 199.40 | 199.40 | 195.90 | 196.78 | +0.08% | |
| 195.00 | 199.39 | 190.24 | 196.62 | +1.16% | |
| 193.40 | 196.02 | 190.77 | 194.37 | +1.08% | |
| 192.86 | 193.02 | 190.44 | 192.30 | -0.38% | |
| 197.62 | 197.62 | 192.29 | 193.04 | -2.13% | |
| 202.48 | 202.93 | 195.37 | 197.24 | -2.02% | |
| 202.00 | 205.15 | 200.15 | 201.30 | -0.84% | |
| 200.83 | 203.78 | 198.93 | 203.00 | +1.08% | |
| 203.18 | 203.45 | 199.23 | 200.84 | +0.22% | |
| 199.20 | 202.06 | 196.43 | 200.40 | +1.36% | |
| 200.46 | 202.67 | 197.06 | 197.71 | -1.32% | |
| 206.06 | 206.06 | 198.14 | 200.35 | -0.69% | |
| 205.63 | 206.38 | 200.20 | 201.75 | -0.41% | |
| 198.26 | 202.80 | 195.32 | 202.59 | +1.32% | |
| 202.06 | 203.84 | 199.37 | 199.95 | -2.12% | |
| 203.11 | 205.44 | 200.83 | 204.29 | +1.51% | |
| 196.05 | 202.21 | 195.69 | 201.25 | +1.90% | |
| 202.75 | 205.77 | 195.76 | 197.49 | -3.31% | |
| 203.64 | 207.26 | 201.00 | 204.25 | +0.05% | |
| 206.23 | 207.49 | 201.43 | 204.15 | -1.20% | |
| 207.93 | 207.93 | 201.10 | 206.62 | -0.06% | |
| 208.52 | 210.80 | 206.11 | 206.75 | -0.85% | |
| 207.93 | 210.47 | 204.83 | 208.52 | +0.29% | |
| 207.16 | 210.62 | 205.22 | 207.91 | +0.61% | |
| 210.27 | 212.21 | 205.70 | 206.64 | -2.02% | |
| 211.31 | 213.00 | 207.79 | 210.89 | -0.07% | |
| 203.92 | 211.43 | 203.67 | 211.04 | +3.42% | |
| 207.11 | 208.99 | 202.85 | 204.07 | +0.01% | |
| 206.44 | 209.99 | 202.00 | 204.05 | -1.30% | |
| 196.00 | 207.82 | 186.50 | 206.73 | -5.21% | |
| 219.32 | 221.40 | 214.17 | 218.09 | -1.28% | |
| 221.00 | 223.73 | 217.97 | 220.92 | +1.00% | |
| 226.47 | 226.65 | 218.52 | 218.73 | -4.85% | |
| 232.21 | 234.73 | 226.59 | 229.87 | +0.70% | |
| 228.56 | 232.91 | 226.98 | 228.27 | -0.13% | |
| 234.35 | 236.83 | 226.95 | 228.56 | -1.30% | |
| 236.80 | 236.80 | 228.55 | 231.57 | -0.70% | |
| 235.09 | 236.92 | 231.50 | 233.20 | +0.25% | |
| 236.06 | 239.07 | 231.62 | 232.61 | -1.53% | |
| 238.77 | 239.00 | 234.26 | 236.23 | -0.37% | |
| 236.26 | 240.90 | 233.70 | 237.10 | +0.85% | |
| 236.24 | 237.25 | 233.52 | 235.09 | -0.64% | |
| 228.82 | 237.46 | 225.30 | 236.60 | +4.89% | |
| 222.37 | 227.13 | 221.04 | 225.57 | +1.89% | |
| 222.07 | 223.90 | 218.62 | 221.39 | +0.67% | |
| 215.96 | 220.38 | 212.08 | 219.92 | +2.76% | |
| 219.27 | 224.03 | 213.55 | 214.02 | -3.00% | |
| 217.30 | 222.57 | 217.30 | 220.64 | +1.54% | |
| 217.95 | 220.34 | 213.08 | 217.30 | +0.28% | |
| 214.55 | 218.23 | 210.40 | 216.70 | +1.08% | |
| 208.00 | 214.68 | 205.87 | 214.39 | +2.19% | |
| 210.14 | 212.23 | 208.29 | 209.79 | -0.22% | |
| 211.92 | 213.00 | 208.02 | 210.25 | -0.11% | |
| 212.66 | 215.93 | 209.90 | 210.48 | -1.03% | |
| 213.35 | 218.01 | 210.00 | 212.66 | -1.65% | |
| 217.30 | 223.33 | 213.06 | 216.22 | -0.95% | |
| 211.69 | 218.76 | 211.01 | 218.29 | +3.42% | |
| 214.94 | 220.20 | 211.05 | 211.07 | -1.00% | |
| 214.95 | 216.25 | 211.30 | 213.20 | -1.53% | |
| 218.54 | 223.69 | 215.99 | 216.51 | -0.06% | |
| 217.35 | 217.98 | 213.10 | 216.65 | -0.35% | |
| 218.22 | 220.04 | 213.27 | 217.42 | -0.59% | |
| 219.89 | 221.00 | 213.85 | 218.72 | -0.96% | |
| 222.13 | 224.90 | 216.20 | 220.83 | -0.42% | |
| 217.00 | 221.93 | 213.87 | 221.76 | +3.19% | |
| 218.39 | 223.07 | 214.41 | 214.90 | -1.74% | |
| 214.74 | 221.00 | 214.04 | 218.70 | +2.56% | |
| 217.59 | 219.34 | 210.79 | 213.24 | -2.31% | |
| 216.28 | 219.70 | 212.88 | 218.29 | -0.29% | |
| 217.09 | 220.18 | 213.03 | 218.93 | +2.44% | |
| 213.95 | 219.11 | 212.30 | 213.72 | -0.90% | |
| 217.31 | 220.59 | 213.32 | 215.66 | -1.64% | |
| 221.30 | 228.00 | 219.06 | 219.26 | -1.58% | |
| 222.51 | 227.29 | 216.28 | 222.78 | +2.42% | |
| 222.69 | 231.39 | 216.60 | 217.51 | -1.45% | |
| 222.05 | 224.67 | 219.09 | 220.70 | -0.44% | |
| 229.48 | 232.04 | 220.12 | 221.68 | -1.71% | |
| 231.02 | 233.44 | 224.19 | 225.53 | -2.38% | |
| 220.27 | 232.54 | 220.20 | 231.02 | +5.99% | |
| 214.96 | 223.35 | 212.36 | 217.96 | +1.19% | |
| 213.73 | 218.86 | 207.89 | 215.39 | +2.33% | |
| 199.75 | 211.46 | 198.00 | 210.49 | +6.45% | |
| 211.10 | 213.55 | 197.27 | 197.73 | -7.00% | |
| 216.00 | 216.00 | 210.13 | 212.61 | -0.41% | |
| 213.14 | 215.25 | 211.44 | 213.48 | +0.69% | |
| 214.61 | 216.16 | 211.00 | 212.01 | -0.64% | |
| 214.61 | 217.39 | 212.03 | 213.37 | -1.56% | |
| 221.95 | 222.51 | 216.52 | 216.75 | -1.99% | |
| 217.30 | 222.63 | 215.03 | 221.16 | +1.69% | |
| 221.16 | 222.65 | 216.03 | 217.48 | -1.58% | |
| 222.62 | 223.10 | 216.33 | 220.97 | -0.51% | |
| 208.98 | 224.82 | 208.98 | 222.10 | +6.85% | |
| 214.37 | 214.37 | 203.45 | 207.86 | -1.66% | |
| 210.50 | 212.47 | 208.06 | 211.37 | +1.13% | |
| 206.28 | 211.95 | 206.08 | 209.01 | +0.60% | |
| 205.41 | 209.13 | 204.33 | 207.77 | +1.15% | |
| 211.18 | 214.05 | 204.94 | 205.40 | -4.85% | |
| 222.23 | 224.09 | 215.06 | 215.86 | -1.20% | |
| 229.24 | 229.24 | 213.88 | 218.49 | -3.92% | |
| 230.64 | 232.76 | 221.44 | 227.41 | -1.94% | |
| 230.00 | 237.32 | 226.50 | 231.92 | +0.47% | |
| 241.11 | 242.47 | 230.31 | 230.83 | -4.26% | |
| 239.90 | 244.77 | 233.05 | 241.11 | +0.35% | |
| 235.01 | 240.60 | 225.00 | 240.27 | +2.36% | |
| 276.89 | 276.89 | 232.50 | 234.74 | -17.01% | |
| 280.42 | 286.49 | 274.32 | 282.87 | +0.13% | |
| 287.80 | 289.40 | 279.43 | 282.50 | -1.54% | |
| 284.71 | 287.62 | 279.61 | 286.92 | +1.80% | |
| 287.71 | 293.52 | 279.98 | 281.84 | -1.90% | |
| 290.94 | 292.21 | 281.89 | 287.30 | -1.39% | |
| 292.61 | 295.50 | 284.15 | 291.34 | -0.43% | |
| 285.87 | 295.36 | 284.69 | 292.61 | +2.19% | |
| 295.62 | 308.56 | 285.97 | 286.35 | -2.11% | |
| 300.39 | 304.22 | 290.28 | 292.52 | -1.46% | |
| 309.08 | 311.72 | 293.56 | 296.84 | -3.99% | |
| 307.28 | 310.43 | 302.28 | 309.19 | -0.16% | |
| 306.47 | 311.27 | 304.27 | 309.68 | +2.86% | |
| 305.88 | 307.16 | 299.85 | 301.08 | -1.58% | |
| 301.87 | 309.73 | 301.00 | 305.90 | +3.05% | |
| 298.11 | 300.72 | 296.70 | 296.86 | -0.20% | |
| 293.66 | 300.31 | 290.87 | 297.45 | +1.38% | |
| 296.19 | 297.22 | 292.48 | 293.39 | -0.37% | |
| 288.80 | 295.98 | 288.80 | 294.48 | +2.08% | |
| 283.60 | 293.23 | 283.60 | 288.47 | +4.69% | |
| 272.99 | 275.71 | 266.84 | 275.55 | +0.44% | |
| 268.69 | 275.59 | 268.69 | 274.33 | +2.32% | |
| 258.65 | 272.59 | 255.12 | 268.11 | +1.72% | |
| 269.02 | 271.88 | 262.15 | 263.58 | -0.73% | |
| 265.95 | 270.55 | 261.50 | 265.51 | +0.30% | |
| 278.33 | 278.33 | 263.96 | 264.71 | -2.80% | |
| 271.88 | 278.65 | 269.95 | 272.33 | -0.86% | |
| 280.86 | 284.00 | 272.77 | 274.70 | -3.47% | |
| 288.14 | 288.30 | 279.68 | 284.57 | -0.25% | |
| 285.79 | 289.49 | 279.74 | 285.27 | -1.34% | |
| 279.34 | 295.70 | 279.34 | 289.13 | +5.35% | |
| 282.99 | 285.07 | 270.20 | 274.45 | -3.54% | |
| 265.67 | 289.85 | 265.67 | 284.53 | +5.40% | |
| 269.44 | 275.29 | 264.70 | 269.95 | +0.32% | |
| 279.65 | 280.17 | 262.59 | 269.08 | -3.33% | |
| 274.00 | 282.20 | 272.89 | 278.35 | +2.74% | |
| 277.02 | 278.00 | 265.85 | 270.92 | -1.66% | |
| 278.35 | 279.93 | 272.08 | 275.50 | -1.42% | |
| 276.30 | 279.97 | 267.29 | 279.47 | +0.16% | |
| 283.90 | 287.00 | 276.26 | 279.01 | -1.12% | |
| 260.62 | 282.81 | 256.55 | 282.16 | +5.57% | |
| 267.60 | 272.69 | 264.00 | 267.28 | -2.46% | |
| 283.80 | 287.77 | 269.72 | 274.03 | -5.04% | |
| 287.33 | 292.25 | 281.40 | 288.58 | +0.59% | |
| 279.78 | 291.48 | 276.00 | 286.90 | +0.08% | |
| 282.01 | 290.75 | 281.43 | 286.67 | +0.52% | |
| 287.10 | 288.93 | 280.40 | 285.20 | -1.63% | |
| 296.80 | 304.07 | 285.45 | 289.92 | -1.81% | |
| 301.66 | 302.99 | 290.38 | 295.26 | -0.88% | |
| 294.41 | 306.12 | 294.41 | 297.87 | +1.44% | |
| 292.15 | 295.89 | 288.23 | 293.65 | +0.26% | |
| 286.29 | 294.84 | 281.03 | 292.89 | +2.38% | |
| 273.55 | 286.08 | 271.78 | 286.07 | +4.42% | |
| 265.76 | 276.05 | 264.47 | 273.97 | +3.55% | |
| 268.60 | 271.90 | 262.76 | 264.58 | -1.50% | |
| 267.99 | 273.12 | 264.77 | 268.61 | +1.37% | |
| 268.75 | 275.55 | 261.15 | 264.98 | -0.83% | |
| 278.26 | 279.93 | 264.00 | 267.20 | -2.52% | |
| 276.62 | 277.74 | 268.12 | 274.10 | -0.24% | |
| 271.79 | 278.75 | 270.55 | 274.76 | +1.29% | |
| 263.97 | 273.63 | 263.77 | 271.26 | +5.07% | |
| 253.28 | 262.14 | 249.92 | 258.16 | +2.00% | |
| 259.60 | 267.07 | 252.29 | 253.10 | -1.13% | |
| 253.94 | 257.62 | 248.94 | 255.99 | +1.29% | |
| 247.15 | 256.65 | 243.42 | 252.72 | +1.03% | |
| 264.34 | 278.13 | 248.17 | 250.14 | -7.27% | |
| 271.95 | 281.00 | 266.31 | 269.74 | -0.61% | |
| 279.14 | 282.02 | 269.51 | 271.39 | -2.01% | |
| 276.32 | 277.90 | 273.09 | 276.97 | +0.72% | |
| 276.85 | 283.57 | 271.57 | 274.99 | 0.00% | |
| 287.03 | 293.24 | 272.49 | 274.99 | -4.34% | |
| 289.70 | 293.93 | 281.97 | 287.46 | -0.77% | |
| 291.17 | 294.93 | 284.46 | 289.68 | +0.58% | |
| 285.55 | 291.96 | 278.61 | 288.00 | -1.37% | |
| 290.89 | 293.43 | 287.97 | 291.99 | +0.41% | |
| 288.08 | 293.22 | 284.96 | 290.80 | +1.45% | |
| 274.07 | 289.46 | 272.74 | 286.65 | +4.36% | |
| 270.27 | 278.12 | 270.27 | 274.68 | +2.07% | |
| 278.72 | 278.72 | 268.24 | 269.12 | -3.51% | |
| 279.29 | 283.71 | 278.45 | 278.92 | -0.25% | |
| 273.49 | 279.62 | 271.35 | 279.61 | +1.79% | |
| 284.52 | 286.63 | 273.21 | 274.69 | -3.47% | |
| 269.07 | 285.79 | 264.85 | 284.57 | +4.86% | |
| 257.47 | 273.70 | 256.82 | 271.38 | +6.18% | |
| 258.02 | 260.84 | 252.73 | 255.58 | +0.20% | |
| 262.72 | 264.13 | 254.63 | 255.06 | -3.00% | |
| 268.64 | 272.83 | 261.32 | 262.95 | -2.67% | |
| 270.49 | 277.03 | 263.55 | 270.16 | +0.13% | |
| 268.46 | 270.74 | 267.68 | 269.82 | +0.05% | |
| 269.10 | 270.51 | 266.47 | 269.68 | +1.04% | |
| 274.55 | 276.88 | 266.02 | 266.91 | -3.01% | |
| 266.85 | 277.47 | 266.85 | 275.19 | +4.03% | |
| 265.54 | 273.25 | 262.19 | 264.53 | -0.92% | |
| 265.47 | 270.88 | 264.21 | 266.98 | +1.77% | |
| 262.84 | 266.37 | 259.18 | 262.34 | -0.12% | |
| 264.10 | 264.38 | 260.77 | 262.65 | +0.10% | |
| 262.30 | 262.93 | 258.26 | 262.38 | +1.13% | |
| 264.81 | 264.81 | 257.62 | 259.44 | -2.41% | |
| 264.56 | 266.73 | 259.62 | 265.85 | +1.31% | |
| 259.57 | 264.54 | 257.41 | 262.40 | +0.80% | |
| 263.37 | 266.33 | 260.07 | 260.32 | -0.87% | |
| 269.05 | 269.05 | 261.56 | 262.61 | -1.27% | |
| 270.63 | 272.05 | 263.39 | 266.00 | -1.85% | |
| 272.83 | 275.34 | 270.06 | 271.01 | -0.80% | |
| 266.15 | 275.65 | 264.78 | 273.19 | +2.64% | |
| 270.00 | 271.38 | 266.03 | 266.17 | -0.83% | |
| 268.94 | 274.70 | 266.19 | 268.39 | -0.91% | |
| 273.46 | 274.68 | 268.05 | 270.85 | -0.26% | |
| 266.91 | 275.50 | 266.91 | 271.56 | +1.59% | |
| 258.12 | 269.15 | 253.31 | 267.32 | +4.28% | |
| 251.29 | 258.25 | 250.00 | 256.34 | +2.09% | |
| 233.74 | 254.37 | 233.74 | 251.10 | +7.32% | |
| 243.43 | 248.32 | 231.66 | 233.97 | -1.62% | |
| 250.79 | 259.95 | 236.41 | 237.82 | -5.35% | |
| 267.47 | 269.00 | 250.08 | 251.26 | -5.91% | |
| 257.56 | 268.55 | 257.56 | 267.03 | -2.38% | |
| 270.14 | 276.38 | 262.45 | 273.55 | +0.25% | |
| 280.66 | 283.28 | 268.29 | 272.87 | -3.74% | |
| 287.33 | 292.34 | 282.20 | 283.48 | -1.21% | |
| 283.37 | 288.33 | 282.90 | 286.96 | +0.50% | |
| 286.10 | 288.10 | 283.15 | 285.53 | +0.24% | |
| 279.60 | 288.64 | 276.75 | 284.86 | +0.92% | |
| 278.92 | 285.00 | 274.61 | 282.27 | +0.23% | |
| 280.36 | 283.23 | 274.06 | 281.63 | +1.47% | |
| 274.92 | 282.96 | 271.47 | 277.54 | -1.27% | |
| 278.28 | 282.59 | 273.30 | 281.10 | +0.95% | |
| 251.50 | 282.54 | 246.46 | 278.46 | +14.21% | |
| 247.02 | 249.70 | 243.25 | 243.82 | -2.23% | |
| 252.93 | 256.78 | 244.79 | 249.37 | -0.63% | |
| 252.92 | 254.77 | 249.75 | 250.94 | -1.20% | |
| 253.03 | 255.98 | 251.95 | 254.00 | +1.15% | |
| 250.14 | 255.34 | 249.44 | 251.11 | +1.45% | |
| 244.36 | 248.49 | 241.46 | 247.53 | +1.78% | |
| 251.66 | 251.66 | 242.60 | 243.19 | -3.44% | |
| 253.12 | 256.98 | 241.24 | 251.86 | -0.88% | |
| 248.48 | 257.19 | 248.48 | 254.10 | +3.93% | |
| 244.89 | 247.49 | 242.17 | 244.48 | -0.92% | |
| 257.41 | 257.41 | 246.59 | 246.74 | -3.87% | |
| 253.33 | 257.12 | 250.46 | 256.66 | +2.56% | |
| 243.96 | 252.73 | 243.39 | 250.25 | +1.26% | |
| 244.76 | 249.31 | 243.80 | 247.13 | +2.33% | |
| 249.23 | 249.69 | 241.19 | 241.50 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the OSIS chart for longer ranges.