Onto Innovation Inc. (ONTO) P/E Ratio History
Historical price-to-earnings valuation from 1996 to 2026
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ONTO Valuation Context
How does the current P/E compare to historical and market benchmarks?
P/E Ratio Analysis
As of May 7, 2026, Onto Innovation Inc. (ONTO) trades at a price-to-earnings ratio of 105.8x, with a stock price of $294.05 and trailing twelve-month earnings per share of $2.13.
The current P/E is 160% above its 5-year average of 40.6x. Over the past five years, ONTO's P/E has ranged from a low of 15.2x to a high of 95.8x, placing the current valuation at the 100th percentile of its historical range.
Compared to the Technology sector median P/E of 27.5x, ONTO trades at a 285% premium to its sector peers. The sector includes 357 companies with P/E ratios ranging from 0.0x to 175.4x.
The PEG ratio of 3.06 (P/E divided by -32% EPS growth) suggests the stock may be expensive 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, ONTO commands a significant premium over the S&P 500 median P/E of 25.2x. 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 ONTO 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.
ONTO P/E vs Peers
P/E ratio compared to closely matched public peers
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $5B | 9999.0 | - | +100%Best | |
| $12B | 216.1 | - | -22% | |
| $4B | 40.4Lowest | 1.14Best | -10% | |
| $7B | 83.7 | 2.39 | +50% | |
| $239B | 59.8 | 1.89 | +50% | |
| $340B | 49.5 | 2.88 | +1% | |
| $371B | 71.6 | 3.20 | +43% | |
| $16B | 93.0 | 2.57 | +34% | |
| $20B | 67.2 | - | +56% |
Peers sorted by market capitalization. P/E below peers may indicate undervaluation or lower growth expectations. Consider PEG ratio for growth-adjusted comparison.
ONTO Historical P/E Data (1996–2026)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Date | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2026 Q1 | $205.07 | $2.14 | 95.8x | +136% | |
| FY2025 Q4 | Sat Jan 03 2026 00:00:00 GM | $165.87 | $2.77 | 59.9x | +47% |
| FY2025 Q3 | Sat Sep 27 2025 00:00:00 GM | $127.58 | $3.54 | 36.0x | -11% |
| FY2025 Q2 | Sat Jun 28 2025 00:00:00 GM | $98.88 | $4.04 | 24.5x | -40% |
| FY2025 Q1 | Sat Mar 29 2025 00:00:00 GM | $122.07 | $4.42 | 27.6x | -32% |
| FY2024 Q4 | Sat Dec 28 2024 00:00:00 GM | $170.66 | $4.06 | 42.0x | +3% |
| FY2024 Q3 | Sat Sep 28 2024 00:00:00 GM | $215.37 | $3.69 | 58.4x | +43% |
| FY2024 Q2 | Sat Jun 29 2024 00:00:00 GM | $219.56 | $3.35 | 65.5x | +61% |
| FY2024 Q1 | Sat Mar 30 2024 00:00:00 GM | $181.08 | $2.81 | 64.4x | +58% |
| FY2023 Q4 | Sun Dec 31 2023 00:00:00 GM | $152.90 | $2.46 | 62.2x | +53% |
| FY2023 Q3 | Sat Sep 30 2023 00:00:00 GM | $127.52 | $3.19 | 40.0x | -2% |
| FY2023 Q2 | Sat Jul 01 2023 00:00:00 GM | $116.47 | $3.51 | 33.2x | -18% |
Average P/E for displayed period: 40.7x
Full ONTO Stock Analysis
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Start ComparisonONTO — Frequently Asked Questions
Quick answers to the most common questions about buying ONTO stock.
Is ONTO stock overvalued or undervalued?
ONTO trades at 105.8x P/E, above its 5-year average of 40.6x. The 100th percentile ranking indicates a premium to historical valuation.
How does ONTO's valuation compare to peers?
Onto Innovation Inc. P/E of 105.8x compares to sector median of 27.5x. The premium reflects expected growth above peers.
What is ONTO's PEG ratio?
ONTO PEG ratio is 3.06. Above 2.0 indicates premium valuation relative to growth rate. Historical P/E data spans 1996-2026.