PE Ratio: 99.03

Basis: FMP quote price / unrounded diluted EPS from four consecutive issuer fiscal quarters. Source: stored company filings and market data; unavailable inputs remain N/A.

Is the P/E ratio high or low?

The P/E ratio of 99.03 is 140% above its 5-year average of 41.34, around the middle of its 5-year range (15.66–176.85).

As of 2026-09-19T00:15:52.768Z. 21.55% above its 12-month average of 81.47.

PE Ratio (99.03) = Close Price ($263.43) / Diluted TTM EPS ($2.66)

ONTO PE Ratio Metrics

P/E vs. its own history

At 99.0, P/E is above its 20-year median — higher than 90% of readings in its 20-year history.

P/E Comparison

PE Ratio Formula & Definition

PE Ratio = Share Price / Diluted EPS (TTM)

The price-to-earnings ratio measures how much investors pay for each dollar of trailing earnings. A lower PE can indicate a cheaper valuation; a higher PE implies higher growth expectations.

Expanded definitions: Investopedia, Wikipedia, Corporate Finance Institute

PE Ratio FAQ

What is the P/E ratio for Onto Innovation Inc. (ONTO)?

The P/E ratio for ONTO stock is 99.03.

Is Onto Innovation Inc.'s P/E ratio high or low?

The P/E ratio of 99.03 is 140% above its 5-year average of 41.34, around the middle of its 5-year range (15.66–176.85).

What is the TTM average P/E ratio for Onto Innovation Inc. (ONTO)?

The TTM average P/E ratio for ONTO stock is 81.47.

What is the 3Y average P/E ratio for Onto Innovation Inc. (ONTO)?

The 3Y average P/E ratio for ONTO stock is 56.57.

What is the 5Y average P/E ratio for Onto Innovation Inc. (ONTO)?

The 5Y average P/E ratio for ONTO stock is 41.34.

What is the 10Y average P/E ratio for Onto Innovation Inc. (ONTO)?

The 10Y average P/E ratio for ONTO stock is 34.33.

What is the 15Y average P/E ratio for Onto Innovation Inc. (ONTO)?

The 15Y average P/E ratio for ONTO stock is 29.79.

What is the 20Y average P/E ratio for Onto Innovation Inc. (ONTO)?

The 20Y average P/E ratio for ONTO stock is 27.70.

Showing the most recent 260 of 3,969 data points. The chart above shows the full history.

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