OSI Systems, Inc. (OSIS) Stock Price History
Historical prices from 2011 to 2026
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OSIS Historical Performance
Short-Term Returns
OSIS Stock Price Trajectory (2011–2026)
As of May 8, 2026, OSI Systems, Inc. (OSIS) trades at $241.11, representing a +8.9% return over the past year. The stock has delivered a +149.9% total return over five years (+20.1% CAGR), reflecting significant long-term value creation.
The stock reached its all-time high of $311.27 on April 17, 2026. From this peak, OSIS has corrected -22.5%, currently trading 8% below its 200-day moving average, suggesting potential weakness.
When compared to Technology sector peers SAIC (-22.1% 1Y), LDOS (-15.2% 1Y), and CACI (+3.3% 1Y), OSIS has underperformed the peer group average. Compare OSIS vs SAIC →
OSIS Historical Price Data (2025–2026)
Showing 30 of 3,650 recordsLoading full history…
| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-05-07 | 239.90 | 244.67 | 233.05 | 241.11 | 522K | +0.35% |
| 2026-05-06 | 235.01 | 240.48 | 225.00 | 240.27 | 476K | +2.36% |
| 2026-05-05 | 276.89 | 276.89 | 233.15 | 234.74 | 1.19M | -17.01% |
| 2026-05-04 | 280.42 | 286.49 | 274.32 | 282.87 | 123K | +0.13% |
| 2026-05-01 | 287.80 | 289.40 | 279.43 | 282.50 | 185K | -1.54% |
| 2026-04-30 | 284.71 | 287.62 | 279.01 | 286.92 | 258K | +1.80% |
| 2026-04-29 | 287.71 | 293.52 | 279.98 | 281.84 | 187K | -1.90% |
| 2026-04-28 | 290.94 | 291.81 | 281.89 | 287.30 | 239K | -1.39% |
| 2026-04-27 | 291.48 | 295.50 | 284.07 | 291.34 | 201K | -0.43% |
| 2026-04-24 | 285.87 | 295.16 | 285.05 | 292.61 | 256K | +2.19% |
| 2026-04-23 | 295.62 | 308.56 | 285.97 | 286.35 | 383K | -2.11% |
| 2026-04-22 | 300.39 | 304.21 | 290.47 | 292.52 | 219K | -1.46% |
| 2026-04-21 | 309.08 | 311.07 | 293.56 | 296.84 | 243K | -3.99% |
| 2026-04-20 | 307.28 | 310.20 | 302.28 | 309.19 | 259K | -0.16% |
| 2026-04-17 | 308.91 | 311.27 | 304.27 | 309.68 | 188K | +2.86% |
| 2026-04-16 | 309.15 | 309.15 | 299.77 | 301.08 | 164K | -1.58% |
| 2026-04-15 | 301.21 | 309.73 | 301.21 | 305.90 | 233K | +3.05% |
| 2026-04-14 | 302.40 | 302.40 | 295.20 | 296.86 | 121K | -0.20% |
| 2026-04-13 | 294.89 | 298.71 | 290.87 | 297.45 | 174K | +1.38% |
| 2026-04-10 | 296.19 | 297.22 | 292.48 | 293.39 | 128K | -0.37% |
| 2026-04-09 | 288.95 | 296.00 | 288.80 | 294.48 | 163K | +2.08% |
| 2026-04-08 | 283.60 | 293.00 | 283.60 | 288.47 | 228K | +4.69% |
| 2026-04-07 | 272.99 | 275.57 | 266.84 | 275.55 | 198K | +0.44% |
| 2026-04-06 | 268.69 | 275.94 | 268.69 | 274.33 | 202K | +2.32% |
| 2026-04-02 | 258.65 | 272.59 | 255.12 | 268.11 | 258K | +1.72% |
| 2026-04-01 | 269.02 | 271.88 | 262.15 | 263.58 | 366K | -0.73% |
| 2026-03-31 | 265.95 | 270.55 | 261.50 | 265.51 | 389K | +0.30% |
| 2026-03-30 | 278.33 | 278.33 | 263.48 | 264.71 | 391K | -2.80% |
| 2026-03-27 | 272.63 | 278.65 | 270.23 | 272.33 | 285K | -0.86% |
| 2026-03-26 | 280.86 | 283.11 | 272.77 | 274.70 | 225K | -3.47% |
See OSIS's True Return
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View ValuationCompare OSIS vs NVDA
Side-by-side business, growth, and profitability comparison vs NVIDIA Corporation.
Start ComparisonOSIS — Frequently Asked Questions
Quick answers to the most common questions about buying OSIS stock.
How has OSIS stock performed recently?
OSIS returned +8.9% over the past year, beating its 5-year annualized CAGR of +20.1%. The stock trades below its 200-day moving average, confirming the uptrend.
What is OSIS's all-time high price?
OSI Systems, Inc. reached $311.27 on 2026-04-17. The 52-week high is $311.27. Current 1-year return of +8.9% places the stock closer to historical peaks.
Where can I download OSIS historical price data?
This page provides OSIS daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2011-2026, downloadable in CSV format.