OSI Systems Inc
OSIS Real Time Price USDRecent trades of OSIS by members of U.S. Congress
| Politician | Type | Traded |
|---|---|---|
| Ro Khanna House / D | Purchase $15,001 - $50,000 | N/A |
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Recently reported changes in OSIS holdings by institutional investors
Quarterly net insider trading by OSIS's directors and management
* Insider trading data parsed from SEC Form 4 filings by Quiver Quantitative. Sign up for the Quiver API for real-time access.
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- 6M
- YTD
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- 2Y
- 5Y
- MAX
About
Key Metrics
Return (1d)
Return (30d)
Return (1Y)
CAGR (Total)
Max Drawdown
Beta
Alpha
Sharpe Ratio
Win Rate
Average Win
Average Loss
Annual Volatility
Annual Std Dev
Information Ratio
Treynor Ratio
Total Trades
Metrics Definitions
Disclaimer: The performance results shown are based on historical backtesting and are hypothetical in nature. Backtested performance does not represent actual trading and does not account for all market factors that may affect execution, such as liquidity, slippage, and changing market conditions. Past performance is not necessarily indicative of future results. There is no guarantee that any trading strategy will be profitable or avoid losses.
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Alpha
Measures a portfolio's risk-adjusted performance against that of its benchmark
Learn More about Alpha -
Annual Standard Deviation
Measures how much the portfolio's total return varies from its mean or average.
Learn More about Annual Standard Deviation -
Annual Volatility
A statistical measure of the dispersion of returns for the portfolio.
Learn More about Annual Volatility -
Average Win
The average return (%) for trades that resulted in a positive return.
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Average Loss
The average return (%) for trades that resulted in a negative return.
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Beta
A measure of the volatility of the portfolio compared to the market as a whole.
Learn More about Beta -
CAGR
CAGR (Compounded Annual Growth Rate), is the historical annualized rate of return for an investment strategy, throughout the backtest period.
Learn More about CAGR -
Information Ratio
A measurement of portfolio returns beyond the returns of its benchmark compared to the volatility of those returns.
Learn More about Information Ratio -
Max Drawdown
the maximum observed loss from a peak to a trough of a portfolio, before a new peak is attained.
Learn More about Max Drawdown -
Sharpe Ratio
The Sharpe Ratio is a measure of historical risk-adjusted return, which quantifies the amount of return that an investor received per unit of risk.
Learn More about Sharpe Ratio -
Total Trades
The total number of trades made by this strategy.
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Treynor Ratio
Attempts to measure how successful an investment is in providing compensation to investors for taking on investment risk.
Learn More about Treynor Ratio -
Win Rate
The percentage of total trades that resulted in a positive return.
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Government lobbying spending instances
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$20,000 Aug 14, 2006 Issue: Homeland Security
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$20,000 Feb 14, 2006 Issue: Homeland Security
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$20,000 Aug 29, 2005 Issue: Homeland Security
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$60,000 Aug 10, 2005 Issue: Budget/Appropriations
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$20,000 Feb 17, 2005 Issue: Homeland Security
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$60,000 Feb 16, 2005 Issue: Budget/Appropriations
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$60,000 Aug 17, 2004 Issue: Homeland Security
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$60,000 Aug 16, 2004 Issue: Homeland Security Budget/Appropriations
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$20,000 Mar 17, 2004 Issue: Homeland Security
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$40,000 Feb 25, 2004 Issue: Homeland Security
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$20,000 Aug 21, 2003 Issue: Aviation/Airlines/Airports Disaster Planning/Emergencies
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$20,000 Aug 14, 2003 Issue: Marine/Maritime/Boating/Fisheries Aviation/Airlines/Airports
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$60,000 Feb 14, 2003 Issue: None
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$40,000 Aug 14, 2002 Issue: Manufacturing Defense Roads/Highway Agriculture Aerospace Transportation Health Issues Medicare/Medicaid Marine/Maritime/Boating/Fisheries Budget/Appropriations Aviation/Airlines/Airports Energy/Nuclear Education Medical/Disease Research/Clinical Labs Science/Technology
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$60,000 Aug 13, 2001 Issue: Aviation/Airlines/Airports Transportation
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$60,000 Feb 16, 2001 Issue: Transportation Aviation/Airlines/Airports
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$60,000 Aug 08, 2000 Issue: Communications/Broadcasting/Radio/TV Fuel/Gas/Oil Computer Industry Education Beverage Industry Aviation/Airlines/Airports Consumer Issues/Safety/Products Health Issues Transportation
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$60,000 Feb 14, 2000 Issue: Transportation Aviation/Airlines/Airports Law Enforcement/Crime/Criminal Justice
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$60,000 Aug 12, 1999 Issue: Law Enforcement/Crime/Criminal Justice
Former government officials who have lobbied for OSIS
OSIS Estimated quarterly lobbying spending
OSIS Revenue by Segment or Geography
New OSIS patent grants
Federal grants, loans, and purchases
Estimated quarterly amount awarded to OSIS from public contracts
Recent insights relating to OSIS
Recent picks made for OSIS stock on CNBC
ETFs with the largest estimated holdings in OSIS
- ... Highest Price Target
- ... Median Price Target
- ... Lowest Price Target
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Analyst
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Firm
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Current
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Previous
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Date
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- Is $OSIS stock a Buy, Sell, or Hold?
- What is the price target for $OSIS stock?
* Analyst consensus is not financial advice. Please see our data disclaimers .
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Shareholder
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Shares Held
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- Who owns $OSIS stock?
- Who owns the most shares of $OSIS stock?
- What funds own $OSIS stock?
* These are estimates based on data taken from SEC filings. There may be inaccuracies due to parsing errors, accidental double-counting, incorrect classification of indirectly owned shares, or any other number of issues.
The Quiver Smart Score combines our data on Congress Trading, Lobbying, Insider Trading, CNBC Mentions and more to provide a comprehensive view of the strength of a stock's underlying data.
The Smart Score grades stocks on a scale of 1 (weakest) to 10 (strongest) based on the strength of the underlying data.Sign Up to view OSIS Smart Score
See concise summaries of analyst reports, presenting both bullish and bearish arguments for a stock.
Example:
The Bulls Say summary highlights positive aspects of the stock.
The Bears Say summary points out potential risks and negative aspects of the stock.
OSI Systems Inc is a designer and manufacturer of electronic systems and components for businesses in the homeland security, healthcare, defense, and aerospace markets. The firm is organized in three business segments: Security, which derives maximum revenue, provides security and inspection systems; Healthcare, which provides patient monitoring, diagnostic, cardiology, ventilation systems, and defibrillators; and Optoelectronics and Manufacturing, which provides specialized electronic components and manufacturing services for the Security and Healthcare segments and external original equipment manufacturers. Geographically, the majority of the firm's revenue is generated in the United States, and the rest from Mexico, Europe, the Middle East and Africa, and the Asia Pacific regions.
- Address Hawthorne, CA
- Market Cap 3.2 billion
- Employees 7,806
- Industrial Classification Semiconductors & Related Devices
OSI Systems Inc (OSIS) Historical Stock Prices
OSI Systems Inc (OSIS) closed at $203.00 on September 23, 2026. Over the past year its adjusted close ranged from $197.49 to $309.68. Daily prices go back to January 2, 2014, 3,200 trading days in all.
- 1 month-0.51%
- 3 months-5.02%
- Year to date-20.41%
- 1 year-14.27%
- 3 years+78.82%
- 5 years+115.77%
- Max+288.89%
Quiver Premium charts OSIS's full daily history since 2014 with each congressional purchase and sale and every open-market insider purchase marked on the price line, with hover details for each trade.
Upgrade to Premium| Date | Open | High | Low | Close | Adj. Close | Volume |
|---|---|---|---|---|---|---|
| Sep 23, 2026 | 200.83 | 203.78 | 198.93 | 203.00 | 203.00 | 213,293 |
| Sep 22, 2026 | 203.18 | 203.45 | 199.23 | 200.84 | 200.84 | 183,921 |
| Sep 21, 2026 | 199.20 | 202.06 | 196.43 | 200.40 | 200.40 | 162,898 |
| Sep 18, 2026 | 200.46 | 202.67 | 197.06 | 197.71 | 197.71 | 395,546 |
| Sep 17, 2026 | 206.06 | 206.06 | 198.14 | 200.35 | 200.35 | 205,371 |
| Sep 16, 2026 | 205.63 | 206.38 | 200.20 | 201.75 | 201.75 | 270,658 |
| Sep 15, 2026 | 198.26 | 202.80 | 195.32 | 202.59 | 202.59 | 282,643 |
| Sep 14, 2026 | 202.06 | 203.84 | 199.37 | 199.95 | 199.95 | 225,177 |
| Sep 11, 2026 | 203.11 | 205.44 | 200.83 | 204.29 | 204.29 | 236,137 |
| Sep 10, 2026 | 196.05 | 202.21 | 195.69 | 201.25 | 201.25 | 267,801 |
| Sep 9, 2026 | 202.75 | 205.77 | 195.76 | 197.49 | 197.49 | 381,452 |
| Sep 8, 2026 | 203.64 | 207.25 | 201.00 | 204.25 | 204.25 | 332,971 |
| Sep 4, 2026 | 206.23 | 207.49 | 201.43 | 204.15 | 204.15 | 204,888 |
| Sep 3, 2026 | 207.93 | 207.93 | 201.10 | 206.62 | 206.62 | 284,332 |
| Sep 2, 2026 | 208.52 | 210.80 | 206.10 | 206.75 | 206.75 | 199,217 |
| Sep 1, 2026 | 207.93 | 210.47 | 204.82 | 208.52 | 208.52 | 192,270 |
| Aug 31, 2026 | 207.16 | 210.62 | 205.22 | 207.91 | 207.91 | 248,237 |
| Aug 28, 2026 | 210.27 | 212.21 | 205.70 | 206.64 | 206.64 | 215,092 |
| Aug 27, 2026 | 211.31 | 213.00 | 207.78 | 210.89 | 210.89 | 313,373 |
| Aug 26, 2026 | 203.92 | 211.43 | 203.67 | 211.04 | 211.04 | 347,867 |
| Aug 25, 2026 | 207.11 | 208.99 | 202.85 | 204.07 | 204.07 | 485,428 |
| Aug 24, 2026 | 206.44 | 209.99 | 202.00 | 204.05 | 204.05 | 857,597 |
| Aug 21, 2026 | 196.00 | 207.82 | 186.50 | 206.73 | 206.73 | 1,289,899 |
| Aug 20, 2026 | 219.32 | 221.40 | 214.17 | 218.09 | 218.09 | 381,288 |
| Aug 19, 2026 | 221.00 | 223.73 | 217.97 | 220.92 | 220.92 | 163,583 |
| Aug 18, 2026 | 226.47 | 226.65 | 218.52 | 218.73 | 218.73 | 162,636 |
| Aug 17, 2026 | 232.21 | 234.73 | 226.59 | 229.87 | 229.87 | 125,537 |
| Aug 14, 2026 | 228.56 | 232.91 | 226.98 | 228.27 | 228.27 | 132,286 |
| Aug 13, 2026 | 234.35 | 236.82 | 226.94 | 228.56 | 228.56 | 149,343 |
| Aug 12, 2026 | 236.80 | 236.80 | 228.55 | 231.57 | 231.57 | 196,594 |
| Aug 11, 2026 | 235.09 | 236.92 | 231.50 | 233.20 | 233.20 | 170,480 |
| Aug 10, 2026 | 236.06 | 239.07 | 231.62 | 232.61 | 232.61 | 210,672 |
| Aug 7, 2026 | 238.77 | 239.00 | 234.25 | 236.23 | 236.23 | 93,886 |
| Aug 6, 2026 | 236.26 | 240.90 | 233.69 | 237.10 | 237.10 | 96,613 |
| Aug 5, 2026 | 236.24 | 237.25 | 233.51 | 235.09 | 235.09 | 133,440 |
| Aug 4, 2026 | 228.82 | 237.46 | 225.30 | 236.60 | 236.60 | 159,012 |
| Aug 3, 2026 | 222.37 | 227.12 | 221.04 | 225.57 | 225.57 | 206,001 |
| Jul 31, 2026 | 222.07 | 223.90 | 218.62 | 221.39 | 221.39 | 198,839 |
| Jul 30, 2026 | 215.96 | 220.38 | 212.08 | 219.92 | 219.92 | 107,438 |
| Jul 29, 2026 | 219.27 | 224.03 | 213.55 | 214.02 | 214.02 | 142,419 |
| Jul 28, 2026 | 217.30 | 222.56 | 217.30 | 220.64 | 220.64 | 128,413 |
| Jul 27, 2026 | 217.95 | 220.34 | 213.07 | 217.30 | 217.30 | 134,680 |
| Jul 24, 2026 | 214.55 | 218.23 | 210.40 | 216.70 | 216.70 | 181,249 |
| Jul 23, 2026 | 208.00 | 214.68 | 205.87 | 214.39 | 214.39 | 187,649 |
| Jul 22, 2026 | 210.14 | 212.23 | 208.29 | 209.79 | 209.79 | 141,863 |
| Jul 21, 2026 | 211.92 | 213.00 | 208.02 | 210.25 | 210.25 | 238,181 |
| Jul 20, 2026 | 212.66 | 215.93 | 209.90 | 210.48 | 210.48 | 230,217 |
| Jul 17, 2026 | 213.35 | 218.01 | 210.00 | 212.66 | 212.66 | 217,206 |
| Jul 16, 2026 | 217.30 | 223.33 | 213.06 | 216.22 | 216.22 | 131,035 |
| Jul 15, 2026 | 211.69 | 218.76 | 211.01 | 218.29 | 218.29 | 134,822 |
| Jul 14, 2026 | 214.94 | 220.20 | 211.05 | 211.07 | 211.07 | 161,771 |
| Jul 13, 2026 | 214.95 | 216.25 | 211.30 | 213.20 | 213.20 | 279,862 |
| Jul 10, 2026 | 218.54 | 223.69 | 215.99 | 216.51 | 216.51 | 211,610 |
| Jul 9, 2026 | 217.35 | 217.98 | 213.10 | 216.65 | 216.65 | 159,362 |
| Jul 8, 2026 | 218.22 | 220.03 | 213.27 | 217.42 | 217.42 | 180,388 |
| Jul 7, 2026 | 219.89 | 221.00 | 213.85 | 218.72 | 218.72 | 194,819 |
| Jul 6, 2026 | 222.13 | 224.90 | 216.20 | 220.83 | 220.83 | 227,257 |
| Jul 2, 2026 | 217.00 | 221.93 | 213.87 | 221.76 | 221.76 | 172,885 |
| Jul 1, 2026 | 218.39 | 223.07 | 214.41 | 214.90 | 214.90 | 234,203 |
| Jun 30, 2026 | 214.74 | 221.00 | 214.03 | 218.70 | 218.70 | 284,200 |
| Jun 29, 2026 | 217.59 | 219.34 | 210.79 | 213.24 | 213.24 | 241,559 |
| Jun 26, 2026 | 216.28 | 219.70 | 212.88 | 218.29 | 218.29 | 645,590 |
| Jun 25, 2026 | 217.09 | 220.18 | 213.03 | 218.93 | 218.93 | 244,176 |
| Jun 24, 2026 | 213.95 | 219.11 | 212.30 | 213.72 | 213.72 | 340,676 |
| Jun 23, 2026 | 217.31 | 220.59 | 213.32 | 215.66 | 215.66 | 152,629 |
| Jun 22, 2026 | 221.30 | 228.00 | 219.06 | 219.26 | 219.26 | 165,097 |
| Jun 18, 2026 | 222.51 | 227.29 | 216.28 | 222.78 | 222.78 | 286,146 |
| Jun 17, 2026 | 222.69 | 231.38 | 216.59 | 217.51 | 217.51 | 219,026 |
| Jun 16, 2026 | 222.05 | 224.67 | 219.09 | 220.70 | 220.70 | 178,753 |
| Jun 15, 2026 | 229.48 | 232.04 | 220.12 | 221.68 | 221.68 | 204,864 |
| Jun 12, 2026 | 231.02 | 233.44 | 224.19 | 225.53 | 225.53 | 304,288 |
| Jun 11, 2026 | 220.27 | 232.54 | 220.20 | 231.02 | 231.02 | 317,862 |
| Jun 10, 2026 | 214.96 | 223.35 | 212.36 | 217.96 | 217.96 | 428,894 |
| Jun 9, 2026 | 213.73 | 218.86 | 207.88 | 215.39 | 215.39 | 267,711 |
| Jun 8, 2026 | 199.75 | 211.46 | 198.00 | 210.49 | 210.49 | 346,798 |
| Jun 5, 2026 | 211.10 | 213.55 | 197.27 | 197.73 | 197.73 | 229,964 |
| Jun 4, 2026 | 216.00 | 216.00 | 210.13 | 212.61 | 212.61 | 250,897 |
| Jun 3, 2026 | 213.14 | 215.25 | 211.44 | 213.48 | 213.48 | 164,861 |
| Jun 2, 2026 | 214.61 | 216.16 | 211.00 | 212.01 | 212.01 | 229,838 |
| Jun 1, 2026 | 214.61 | 217.39 | 212.03 | 213.37 | 213.37 | 278,234 |
| May 29, 2026 | 221.95 | 222.51 | 216.52 | 216.75 | 216.75 | 326,840 |
| May 28, 2026 | 217.30 | 222.63 | 215.03 | 221.16 | 221.16 | 204,394 |
| May 27, 2026 | 221.16 | 222.65 | 216.03 | 217.48 | 217.48 | 187,000 |
| May 26, 2026 | 222.62 | 223.10 | 216.33 | 220.97 | 220.97 | 250,739 |
| May 22, 2026 | 208.98 | 224.82 | 208.98 | 222.10 | 222.10 | 461,557 |
| May 21, 2026 | 214.37 | 214.37 | 203.45 | 207.86 | 207.86 | 350,998 |
| May 20, 2026 | 210.50 | 212.47 | 208.06 | 211.37 | 211.37 | 413,049 |
| May 19, 2026 | 206.28 | 211.95 | 206.08 | 209.01 | 209.01 | 322,097 |
| May 18, 2026 | 205.41 | 209.13 | 204.33 | 207.77 | 207.77 | 270,126 |
| May 15, 2026 | 211.18 | 214.05 | 204.94 | 205.40 | 205.40 | 364,696 |
| May 14, 2026 | 222.23 | 224.09 | 215.06 | 215.86 | 215.86 | 402,821 |
| May 13, 2026 | 229.24 | 229.24 | 213.88 | 218.49 | 218.49 | 386,336 |
| May 12, 2026 | 230.64 | 232.76 | 221.44 | 227.41 | 227.41 | 580,000 |
| May 11, 2026 | 230.00 | 237.32 | 226.50 | 231.92 | 231.92 | 415,452 |
| May 8, 2026 | 241.11 | 242.47 | 230.31 | 230.83 | 230.83 | 321,943 |
| May 7, 2026 | 239.90 | 244.77 | 233.05 | 241.11 | 241.11 | 567,976 |
| May 6, 2026 | 235.01 | 240.60 | 225.00 | 240.27 | 240.27 | 477,050 |
| May 5, 2026 | 276.89 | 276.89 | 232.50 | 234.74 | 234.74 | 1,227,049 |
| May 4, 2026 | 280.42 | 286.49 | 274.32 | 282.87 | 282.87 | 237,358 |
| May 1, 2026 | 287.80 | 289.40 | 279.43 | 282.50 | 282.50 | 232,057 |
| Apr 30, 2026 | 284.71 | 287.62 | 279.61 | 286.92 | 286.92 | 297,828 |
| Apr 29, 2026 | 287.71 | 293.52 | 279.98 | 281.84 | 281.84 | 194,314 |
| Apr 28, 2026 | 290.94 | 292.21 | 281.89 | 287.30 | 287.30 | 242,172 |
| Apr 27, 2026 | 292.61 | 295.50 | 284.15 | 291.34 | 291.34 | 221,782 |
| Apr 24, 2026 | 285.87 | 295.36 | 284.69 | 292.61 | 292.61 | 259,553 |
| Apr 23, 2026 | 295.62 | 308.56 | 285.97 | 286.35 | 286.35 | 389,999 |
| Apr 22, 2026 | 300.39 | 304.21 | 290.28 | 292.52 | 292.52 | 226,172 |
| Apr 21, 2026 | 309.08 | 311.72 | 293.56 | 296.84 | 296.84 | 247,012 |
| Apr 20, 2026 | 307.28 | 310.43 | 302.28 | 309.19 | 309.19 | 269,707 |
| Apr 17, 2026 | 306.47 | 311.27 | 304.27 | 309.68 | 309.68 | 190,918 |
| Apr 16, 2026 | 305.88 | 307.15 | 299.85 | 301.08 | 301.08 | 175,099 |
| Apr 15, 2026 | 301.87 | 309.73 | 301.00 | 305.90 | 305.90 | 248,025 |
| Apr 14, 2026 | 298.11 | 300.72 | 296.70 | 296.86 | 296.86 | 131,480 |
| Apr 13, 2026 | 293.66 | 300.31 | 290.87 | 297.45 | 297.45 | 190,923 |
| Apr 10, 2026 | 296.19 | 297.22 | 292.48 | 293.39 | 293.39 | 131,026 |
| Apr 9, 2026 | 288.80 | 295.98 | 288.80 | 294.48 | 294.48 | 182,515 |
| Apr 8, 2026 | 283.60 | 293.23 | 283.60 | 288.47 | 288.47 | 236,804 |
| Apr 7, 2026 | 272.99 | 275.71 | 266.84 | 275.55 | 275.55 | 201,843 |
| Apr 6, 2026 | 268.69 | 275.59 | 268.69 | 274.33 | 274.33 | 206,334 |
| Apr 2, 2026 | 258.65 | 272.59 | 255.12 | 268.11 | 268.11 | 260,363 |
| Apr 1, 2026 | 269.02 | 271.88 | 262.15 | 263.58 | 263.58 | 369,877 |
| Mar 31, 2026 | 265.95 | 270.55 | 261.50 | 265.51 | 265.51 | 389,105 |
| Mar 30, 2026 | 278.33 | 278.33 | 263.96 | 264.71 | 264.71 | 394,506 |
| Mar 27, 2026 | 271.88 | 278.65 | 269.95 | 272.33 | 272.33 | 288,072 |
| Mar 26, 2026 | 280.86 | 284.00 | 272.77 | 274.70 | 274.70 | 227,084 |
| Mar 25, 2026 | 288.14 | 288.30 | 279.68 | 284.57 | 284.57 | 166,172 |
| Mar 24, 2026 | 285.79 | 289.49 | 279.74 | 285.27 | 285.27 | 308,291 |
| Mar 23, 2026 | 279.34 | 295.70 | 279.34 | 289.13 | 289.13 | 591,368 |
| Mar 20, 2026 | 282.99 | 285.07 | 270.20 | 274.45 | 274.45 | 692,800 |
| Mar 19, 2026 | 265.67 | 289.85 | 265.67 | 284.53 | 284.53 | 392,328 |
| Mar 18, 2026 | 269.44 | 275.29 | 264.69 | 269.95 | 269.95 | 271,220 |
| Mar 17, 2026 | 279.65 | 280.17 | 262.59 | 269.08 | 269.08 | 323,211 |
| Mar 16, 2026 | 274.00 | 282.20 | 272.88 | 278.35 | 278.35 | 231,956 |
| Mar 13, 2026 | 277.02 | 278.00 | 265.85 | 270.92 | 270.92 | 172,526 |
| Mar 12, 2026 | 278.35 | 279.93 | 272.07 | 275.50 | 275.50 | 366,161 |
| Mar 11, 2026 | 276.30 | 279.97 | 267.29 | 279.47 | 279.47 | 188,081 |
| Mar 10, 2026 | 283.90 | 287.00 | 276.26 | 279.01 | 279.01 | 284,388 |
| Mar 9, 2026 | 260.62 | 282.81 | 256.55 | 282.16 | 282.16 | 444,380 |
| Mar 6, 2026 | 267.60 | 272.69 | 264.00 | 267.28 | 267.28 | 186,332 |
| Mar 5, 2026 | 283.80 | 287.77 | 269.71 | 274.03 | 274.03 | 325,084 |
| Mar 4, 2026 | 287.33 | 292.25 | 281.40 | 288.58 | 288.58 | 275,440 |
| Mar 3, 2026 | 279.78 | 291.48 | 276.00 | 286.90 | 286.90 | 210,855 |
| Mar 2, 2026 | 282.01 | 290.75 | 281.43 | 286.67 | 286.67 | 280,282 |
| Feb 27, 2026 | 287.10 | 288.93 | 280.40 | 285.20 | 285.20 | 144,395 |
| Feb 26, 2026 | 296.80 | 304.07 | 285.45 | 289.92 | 289.92 | 150,498 |
| Feb 25, 2026 | 301.66 | 302.99 | 290.38 | 295.26 | 295.26 | 210,562 |
| Feb 24, 2026 | 294.41 | 306.12 | 294.41 | 297.87 | 297.87 | 299,920 |
| Feb 23, 2026 | 292.15 | 295.89 | 288.23 | 293.65 | 293.65 | 325,916 |
| Feb 20, 2026 | 286.29 | 294.84 | 281.03 | 292.89 | 292.89 | 318,348 |
| Feb 19, 2026 | 273.55 | 286.08 | 271.78 | 286.07 | 286.07 | 373,983 |
| Feb 18, 2026 | 265.76 | 276.05 | 264.47 | 273.97 | 273.97 | 187,378 |
| Feb 17, 2026 | 268.60 | 271.90 | 262.76 | 264.58 | 264.58 | 219,284 |
| Feb 13, 2026 | 267.99 | 273.12 | 264.77 | 268.61 | 268.61 | 139,471 |
| Feb 12, 2026 | 268.75 | 275.55 | 261.15 | 264.98 | 264.98 | 184,820 |
| Feb 11, 2026 | 278.26 | 279.93 | 264.00 | 267.20 | 267.20 | 204,382 |
| Feb 10, 2026 | 276.62 | 277.74 | 268.12 | 274.10 | 274.10 | 191,776 |
| Feb 9, 2026 | 271.79 | 278.75 | 270.55 | 274.76 | 274.76 | 177,388 |
| Feb 6, 2026 | 263.97 | 273.63 | 263.77 | 271.26 | 271.26 | 295,387 |
| Feb 5, 2026 | 253.28 | 262.14 | 249.92 | 258.16 | 258.16 | 388,436 |
| Feb 4, 2026 | 259.60 | 267.07 | 252.29 | 253.10 | 253.10 | 332,433 |
| Feb 3, 2026 | 253.94 | 257.62 | 248.94 | 255.99 | 255.99 | 238,797 |
| Feb 2, 2026 | 247.15 | 256.65 | 243.42 | 252.72 | 252.72 | 455,096 |
| Jan 30, 2026 | 264.34 | 278.13 | 248.17 | 250.14 | 250.14 | 653,380 |
| Jan 29, 2026 | 271.95 | 281.00 | 266.31 | 269.74 | 269.74 | 350,077 |
| Jan 28, 2026 | 279.14 | 282.02 | 269.51 | 271.39 | 271.39 | 315,881 |
| Jan 27, 2026 | 276.32 | 277.89 | 273.09 | 276.97 | 276.97 | 143,409 |
| Jan 26, 2026 | 276.85 | 283.56 | 271.57 | 274.99 | 274.99 | 314,703 |
| Jan 23, 2026 | 287.03 | 293.24 | 272.49 | 274.99 | 274.99 | 251,423 |
| Jan 22, 2026 | 289.70 | 293.93 | 281.97 | 287.46 | 287.46 | 256,827 |
| Jan 21, 2026 | 291.17 | 294.93 | 284.46 | 289.68 | 289.68 | 235,961 |
| Jan 20, 2026 | 285.55 | 291.95 | 278.61 | 288.00 | 288.00 | 127,982 |
| Jan 16, 2026 | 290.89 | 293.43 | 287.97 | 291.99 | 291.99 | 161,070 |
| Jan 15, 2026 | 288.08 | 293.22 | 284.96 | 290.80 | 290.80 | 139,719 |
| Jan 14, 2026 | 274.07 | 289.45 | 272.74 | 286.65 | 286.65 | 247,133 |
| Jan 13, 2026 | 270.27 | 278.12 | 270.27 | 274.68 | 274.68 | 170,655 |
| Jan 12, 2026 | 278.72 | 278.72 | 268.24 | 269.12 | 269.12 | 179,712 |
| Jan 9, 2026 | 279.29 | 283.70 | 278.45 | 278.92 | 278.92 | 202,417 |
| Jan 8, 2026 | 273.49 | 279.62 | 271.35 | 279.61 | 279.61 | 226,650 |
| Jan 7, 2026 | 284.52 | 286.63 | 273.21 | 274.69 | 274.69 | 408,952 |
| Jan 6, 2026 | 269.07 | 285.79 | 264.85 | 284.57 | 284.57 | 521,764 |
| Jan 5, 2026 | 257.47 | 273.70 | 256.82 | 271.38 | 271.38 | 299,067 |
| Jan 2, 2026 | 258.02 | 260.84 | 252.73 | 255.58 | 255.58 | 291,087 |
| Dec 31, 2025 | 262.72 | 264.12 | 254.63 | 255.06 | 255.06 | 253,620 |
| Dec 30, 2025 | 268.64 | 272.83 | 261.31 | 262.95 | 262.95 | 358,296 |
| Dec 29, 2025 | 270.49 | 277.03 | 263.55 | 270.16 | 270.16 | 253,050 |
| Dec 26, 2025 | 268.46 | 270.74 | 267.68 | 269.82 | 269.82 | 63,084 |
| Dec 24, 2025 | 269.10 | 270.51 | 266.47 | 269.68 | 269.68 | 73,167 |
| Dec 23, 2025 | 274.55 | 276.88 | 266.02 | 266.91 | 266.91 | 226,958 |
| Dec 22, 2025 | 266.85 | 277.46 | 266.85 | 275.19 | 275.19 | 247,596 |
| Dec 19, 2025 | 265.54 | 273.25 | 262.19 | 264.53 | 264.53 | 422,873 |
| Dec 18, 2025 | 265.47 | 270.88 | 264.21 | 266.98 | 266.98 | 304,411 |
| Dec 17, 2025 | 262.84 | 266.37 | 259.18 | 262.34 | 262.34 | 252,552 |
| Dec 16, 2025 | 264.10 | 264.38 | 260.77 | 262.65 | 262.65 | 207,513 |
| Dec 15, 2025 | 262.30 | 262.93 | 258.25 | 262.38 | 262.38 | 144,480 |
| Dec 12, 2025 | 264.81 | 264.81 | 257.62 | 259.44 | 259.44 | 161,768 |
| Dec 11, 2025 | 264.56 | 266.73 | 259.62 | 265.85 | 265.85 | 161,545 |
| Dec 10, 2025 | 259.57 | 264.54 | 257.40 | 262.40 | 262.40 | 183,782 |
| Dec 9, 2025 | 263.37 | 266.33 | 260.07 | 260.32 | 260.32 | 253,387 |
| Dec 8, 2025 | 269.05 | 269.05 | 261.56 | 262.61 | 262.61 | 191,436 |
| Dec 5, 2025 | 270.63 | 272.05 | 263.39 | 266.00 | 266.00 | 188,990 |
| Dec 4, 2025 | 272.83 | 275.33 | 270.06 | 271.01 | 271.01 | 204,075 |
| Dec 3, 2025 | 266.15 | 275.65 | 264.78 | 273.19 | 273.19 | 260,540 |
| Dec 2, 2025 | 270.00 | 271.38 | 266.03 | 266.17 | 266.17 | 158,612 |
| Dec 1, 2025 | 268.94 | 274.70 | 266.19 | 268.39 | 268.39 | 278,734 |
| Nov 28, 2025 | 273.46 | 274.68 | 268.05 | 270.85 | 270.85 | 181,795 |
| Nov 26, 2025 | 266.91 | 275.50 | 266.91 | 271.56 | 271.56 | 311,053 |
| Nov 25, 2025 | 258.12 | 269.15 | 253.31 | 267.32 | 267.32 | 379,922 |
| Nov 24, 2025 | 251.29 | 258.25 | 250.00 | 256.34 | 256.34 | 240,716 |
| Nov 21, 2025 | 233.74 | 254.37 | 233.74 | 251.10 | 251.10 | 361,789 |
| Nov 20, 2025 | 243.43 | 248.32 | 231.66 | 233.97 | 233.97 | 602,001 |
| Nov 19, 2025 | 250.79 | 259.95 | 236.41 | 237.82 | 237.82 | 405,421 |
| Nov 18, 2025 | 267.47 | 269.00 | 250.08 | 251.26 | 251.26 | 1,511,523 |
| Nov 17, 2025 | 257.56 | 268.55 | 257.56 | 267.03 | 267.03 | 423,673 |
| Nov 14, 2025 | 270.14 | 276.38 | 262.45 | 273.55 | 273.55 | 183,544 |
| Nov 13, 2025 | 280.66 | 283.28 | 268.29 | 272.87 | 272.87 | 205,851 |
| Nov 12, 2025 | 287.33 | 292.34 | 282.20 | 283.48 | 283.48 | 232,313 |
| Nov 11, 2025 | 283.37 | 288.33 | 282.89 | 286.96 | 286.96 | 226,700 |
| Nov 10, 2025 | 286.10 | 288.10 | 283.15 | 285.53 | 285.53 | 175,357 |
| Nov 7, 2025 | 279.60 | 288.64 | 276.75 | 284.86 | 284.86 | 245,190 |
| Nov 6, 2025 | 278.92 | 285.00 | 274.61 | 282.27 | 282.27 | 213,203 |
| Nov 5, 2025 | 280.36 | 283.23 | 274.06 | 281.63 | 281.63 | 109,022 |
| Nov 4, 2025 | 274.92 | 282.96 | 271.46 | 277.54 | 277.54 | 173,873 |
| Nov 3, 2025 | 278.28 | 282.58 | 273.30 | 281.10 | 281.10 | 384,030 |
| Oct 31, 2025 | 251.50 | 282.54 | 246.46 | 278.46 | 278.46 | 644,213 |
| Oct 30, 2025 | 247.02 | 249.70 | 243.25 | 243.82 | 243.82 | 137,501 |
| Oct 29, 2025 | 252.93 | 256.78 | 244.79 | 249.37 | 249.37 | 140,520 |
| Oct 28, 2025 | 252.92 | 254.76 | 249.75 | 250.94 | 250.94 | 129,458 |
| Oct 27, 2025 | 253.03 | 255.98 | 251.95 | 254.00 | 254.00 | 126,116 |
| Oct 24, 2025 | 250.14 | 255.34 | 249.44 | 251.11 | 251.11 | 80,578 |
| Oct 23, 2025 | 244.36 | 248.49 | 241.46 | 247.53 | 247.53 | 65,814 |
| Oct 22, 2025 | 251.66 | 251.66 | 242.60 | 243.19 | 243.19 | 110,307 |
| Oct 21, 2025 | 253.12 | 256.98 | 241.24 | 251.86 | 251.86 | 134,837 |
| Oct 20, 2025 | 248.48 | 257.19 | 248.48 | 254.10 | 254.10 | 137,426 |
| Oct 17, 2025 | 244.89 | 247.49 | 242.17 | 244.48 | 244.48 | 95,157 |
| Oct 16, 2025 | 257.41 | 257.41 | 246.59 | 246.74 | 246.74 | 170,552 |
| Oct 15, 2025 | 253.33 | 257.12 | 250.46 | 256.66 | 256.66 | 119,263 |
| Oct 14, 2025 | 243.96 | 252.73 | 243.38 | 250.25 | 250.25 | 75,602 |
| Oct 13, 2025 | 244.76 | 249.31 | 243.80 | 247.13 | 247.13 | 78,600 |
| Oct 10, 2025 | 249.23 | 249.69 | 241.19 | 241.50 | 241.50 | 173,285 |
| Oct 9, 2025 | 250.56 | 250.83 | 246.06 | 249.57 | 249.57 | 127,992 |
| Oct 8, 2025 | 251.22 | 253.87 | 244.82 | 248.61 | 248.61 | 144,137 |
| Oct 7, 2025 | 252.00 | 254.89 | 248.00 | 249.38 | 249.38 | 140,971 |
| Oct 6, 2025 | 252.58 | 257.33 | 250.99 | 251.17 | 251.17 | 114,166 |
| Oct 3, 2025 | 249.83 | 255.49 | 249.69 | 251.27 | 251.27 | 118,990 |
| Oct 2, 2025 | 246.58 | 249.11 | 244.18 | 248.08 | 248.08 | 131,219 |
| Oct 1, 2025 | 246.77 | 248.61 | 243.59 | 245.66 | 245.66 | 185,438 |
| Sep 30, 2025 | 238.26 | 249.79 | 235.92 | 249.24 | 249.24 | 228,762 |
| Sep 29, 2025 | 239.05 | 242.62 | 236.94 | 237.99 | 237.99 | 152,546 |
| Sep 26, 2025 | 234.59 | 237.72 | 231.90 | 236.42 | 236.42 | 109,265 |
| Sep 25, 2025 | 226.90 | 232.37 | 224.34 | 231.63 | 231.63 | 160,734 |
| Sep 24, 2025 | 237.28 | 237.28 | 226.50 | 227.60 | 227.60 | 157,094 |
| Sep 23, 2025 | 238.04 | 241.30 | 235.02 | 236.79 | 236.79 | 164,762 |
Open, high, low and close are the prices as traded. Adjusted close accounts for splits and dividends, and is what the chart and returns use. Where a company changed its ticker, its history under the old symbol is included.
The Quiver API serves daily prices back to 2014 alongside congressional trades, insider trades, 13F holdings and lobbying, all under one key and inside Claude or ChatGPT through our MCP server.
Explore the Quiver APIWe estimate that -- received a compensation of -- in --, making them the highest paid executive at OSIS, per a recent SEC DEF 14A filing. We estimate that the median employee at OSI SYSTEMS INC is paid $20,146.
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