OSI Systems, Inc. (OSIS) P/E Ratio History
Historical price-to-earnings valuation from 1998 to 2026
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OSIS Valuation Context
How does the current P/E compare to historical and market benchmarks?
P/E Ratio Analysis
As of May 8, 2026, OSI Systems, Inc. (OSIS) trades at a price-to-earnings ratio of 27.7x, with a stock price of $241.11 and trailing twelve-month earnings per share of $8.74.
The current P/E is 32% above its 5-year average of 21.0x. Over the past five years, OSIS's P/E has ranged from a low of 11.8x to a high of 30.4x, placing the current valuation at the 85th percentile of its historical range.
Compared to the Technology sector median P/E of 27.7x, OSIS is roughly in line with its sector peers. The sector includes 359 companies with P/E ratios ranging from 0.0x to 184.2x.
The PEG ratio of 1.67 (P/E divided by 18% EPS growth) suggests a fair valuation relative to its earnings growth. Peter Lynch popularized the rule that a PEG below 1.0 indicates an attractive entry point.
Relative to the broader market, OSIS trades roughly in line with the S&P 500 median P/E of 25.1x. Investors should consider the company's growth prospects, competitive position, and earnings quality when evaluating whether the current valuation is justified.
For a comprehensive intrinsic value estimate using discounted cash flow analysis, see our OSIS DCF Valuation Calculator →
Note: P/E ratio is just one valuation metric. It does not account for balance sheet strength, cash flow quality, or growth sustainability. Always conduct comprehensive due diligence before making investment decisions.
OSIS P/E vs Peers
P/E ratio compared to closely matched public peers
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $4B | 12.2 | 0.73 | +7% | |
| $17B | 11.8 | 0.57Best | +21% | |
| $11B | 22.0 | 1.81 | +20% | |
| $13B | 10.6Lowest | 0.65 | +58%Best | |
| $29B | 33.4 | 2.73 | +10% | |
| $11B | 438.5 | - | +18% | |
| $8B | 108.5 | - | -29% | |
| $11B | 40.2 | 3.20 | +29% | |
| $56B | 35.3 | 3.37 | +8% |
Peers sorted by market capitalization. P/E below peers may indicate undervaluation or lower growth expectations. Consider PEG ratio for growth-adjusted comparison.
OSIS Historical P/E Data (1998–2026)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Date | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2026 Q3 | $265.51 | $8.74 | 30.4x | +2% | |
| FY2026 Q2 | Wed Dec 31 2025 00:00:00 GM | $255.06 | $8.83 | 28.9x | -3% |
| FY2026 Q1 | $249.24 | $8.83 | 28.2x | -5% | |
| FY2025 Q4 | Mon Jun 30 2025 00:00:00 GM | $224.86 | $8.70 | 25.8x | -13% |
| FY2025 Q3 | Mon Mar 31 2025 00:00:00 GM | $194.34 | $8.22 | 23.6x | -21% |
| FY2025 Q2 | $167.43 | $7.77 | 21.5x | -28% | |
| FY2025 Q1 | Mon Sep 30 2024 00:00:00 GM | $151.83 | $7.66 | 19.8x | -33% |
| FY2024 Q4 | Sun Jun 30 2024 00:00:00 GM | $137.52 | $7.36 | 18.7x | -37% |
| FY2024 Q3 | Sun Mar 31 2024 00:00:00 GM | $142.82 | $7.27 | 19.6x | -34% |
| FY2024 Q2 | Sun Dec 31 2023 00:00:00 GM | $129.05 | $6.59 | 19.6x | -34% |
| FY2024 Q1 | Sat Sep 30 2023 00:00:00 GM | $118.04 | $5.44 | 21.7x | -27% |
| FY2023 Q4 | Fri Jun 30 2023 00:00:00 GM | $117.83 | $5.34 | 22.1x | -26% |
Average P/E for displayed period: 29.8x
See OSIS's True Return
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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.
Is OSIS stock overvalued or undervalued?
OSIS trades at 27.7x P/E, above its 5-year average of 21.0x. The 85th percentile ranking indicates a premium to historical valuation.
How does OSIS's valuation compare to peers?
OSI Systems, Inc. P/E of 27.7x compares to sector median of 27.7x. The discount suggests lower growth expectations or higher risk.
What is OSIS's PEG ratio?
OSIS PEG ratio is 1.67. Between 1-2 suggests valuation aligns with growth. Historical P/E data spans 1998-2026.