Onto Innovation Inc. (ONTO) P/E Ratio History
Historical price-to-earnings valuation from 1996 to 2025
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Valuation Context
How does the current P/E compare to historical and market benchmarks?
P/E Ratio Analysis
As of March 2, 2026, Onto Innovation Inc. (ONTO) trades at a price-to-earnings ratio of 53.2x, with a stock price of $215.89 and trailing twelve-month earnings per share of $3.56.
The current P/E is 36% above its 5-year average of 39.2x. Over the past five years, ONTO's P/E has ranged from a low of 15.2x to a high of 76.4x, placing the current valuation at the 75th percentile of its historical range.
Compared to the Technology sector median P/E of 25.2x, ONTO trades at a 111% premium to its sector peers. The sector includes 345 companies with P/E ratios ranging from 0.0x to 199.1x.
The PEG ratio of 0.41 (P/E divided by 65% EPS growth) suggests the stock may be undervalued 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 26.2x. 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.
Peer Comparison
P/E metrics vs. Semiconductor Test, Metrology and Inspection Equipment peers
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
KLACKLA Corporation | $201B | 50.2 | 1.59 | +50% |
TERTeradyne, Inc. | $50B | 92.0 | - | +5% |
NVMINova Ltd. | $13B | 76.3 | 2.11 | +34% |
ONTOOnto Innovation Inc. | $11B | 53.2 | 0.41Best | +65%Best |
FORMFormFactor, Inc. | $8B | 111.1 | 9.43 | -15% |
CAMTCamtek Ltd. | $7B | 69.2 | 1.98 | +50% |
INTTinTEST Corporation | $144M | 48.5Lowest | 27.65 | -70% |
Peers sorted by market capitalization. P/E below peers may indicate undervaluation or lower growth expectations. Consider PEG ratio for growth-adjusted comparison.
Historical P/E Data
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Date | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2025 Q3 | Sat Sep 27 2025 00:00:00 GM | $127.58 | $3.54 | 36.0x | -10% |
| FY2025 Q2 | Sat Jun 28 2025 00:00:00 GM | $98.88 | $4.04 | 24.5x | -39% |
| FY2025 Q1 | Sat Mar 29 2025 00:00:00 GM | $122.07 | $4.42 | 27.6x | -31% |
| FY2024 Q4 | $166.67 | $4.06 | 41.1x | +3% | |
| FY2024 Q3 | Sat Sep 28 2024 00:00:00 GM | $215.37 | $3.69 | 58.4x | +46% |
| FY2024 Q2 | Sat Jun 29 2024 00:00:00 GM | $219.56 | $3.35 | 65.5x | +64% |
| FY2024 Q1 | Sat Mar 30 2024 00:00:00 GM | $181.08 | $2.81 | 64.4x | +62% |
| FY2023 Q4 | Sun Dec 31 2023 00:00:00 GM | $152.90 | $2.46 | 62.2x | +56% |
| FY2023 Q3 | Sat Sep 30 2023 00:00:00 GM | $127.52 | $3.19 | 40.0x | +0% |
| FY2023 Q2 | Sat Jul 01 2023 00:00:00 GM | $116.47 | $3.51 | 33.2x | -17% |
| FY2023 Q1 | Sat Apr 01 2023 00:00:00 GM | $87.88 | $4.01 | 21.9x | -45% |
| FY2022 Q4 | Sat Dec 31 2022 00:00:00 GM | $68.09 | $4.49 | 15.2x | -62% |
Average P/E for displayed period: 39.9x
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Start ComparisonFrequently Asked Questions
Is ONTO stock overvalued or undervalued?
ONTO trades at 53.2x P/E, above its 5-year average of 39.2x. The 75th percentile ranking indicates a premium to historical valuation.
How does ONTO's valuation compare to peers?
Onto Innovation Inc. P/E of 53.2x compares to sector median of 25.2x. The premium reflects expected growth above peers.
What is ONTO's PEG ratio?
ONTO PEG ratio is 0.41. Below 1.0 indicates valuation is supported by earnings growth rate. Historical P/E data spans 1996-2025.