PE Ratio: 125.46

Basis: Latest stored market observation. 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 125.46 is 178% above its 5-year average of 45.06, around the middle of its 5-year range (15.66–176.85).

As of Tuesday, August 4, 2026. 73.63% above its 12-month average of 72.26.

PE Ratio (125.46) = Close Price ($287.60) / Diluted TTM EPS ($2.29)

ONTO PE Ratio Metrics

P/E vs. its own history

At 125.5, P/E is richer than usual, sitting higher than 93% of 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 125.46.

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

The P/E ratio of 125.46 is 178% above its 5-year average of 45.06, 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 72.26.

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

The 3Y average P/E ratio for ONTO stock is 53.31.

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

The 5Y average P/E ratio for ONTO stock is 39.85.

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

The 10Y average P/E ratio for ONTO stock is 33.60.

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

The 15Y average P/E ratio for ONTO stock is 29.23.

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

The 20Y average P/E ratio for ONTO stock is 27.42.

Showing the most recent 260 of 3,942 data points. The chart above shows the full history.

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