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Onto Innovation (ONTO, Semiconductor Materials & Equipment) Stock Valuation & Fair Value Trading above its usual valuation

Onto Innovation (ONTO, Semiconductor Materials & Equipment) trades at a blended P/E of 44.8, about 31% above its historical normal valuation, with a forward growth estimate of 31.3% and a PEG of 1.43. Analysts' one-year estimates have been hit 18% of the time. Priced at its historical normal P/E of 34.0 on the same blended earnings, the 2026-10-02 close of $327.77 corresponds to about $249 a share. This is a valuation reference, not a price target.

DATA AS OF 2026-10-05
Blended P/E
44.8
Normal P/E
34.0
PEG
1.43
Fwd growth
31.3%
Div yield
0.0%
RSI (14)
50.1
Neutral
Technical context
  • Price $292.67 at the 2026-10-08 close, 2.3% above the 20-day average ($286.11) and 1.8% above the 50-day ($287.47).
  • RSI (14) at 50.1.
  • 52-week range $121.34 to $378.45: the price is 22.7% below the high and 141.2% above the low.

The Street vs SeerForecast

Wall Street's mean price target for ONTO is $387.50 across 12 analysts, 32.4% above the current price. The average analyst rating is Strong Buy. Our SeerForecast read of the same stock, formed without analyst targets: trading above its usual valuation. When the two disagree, start your digging there.

Valuation flags

Verdict history

tickerseer's rating moved from significantly overvalued (2026-07-09) to trading above its usual valuation (2026-10-05). New rating rules took effect in the week of 2026-09-28, and this rating moved across that change, so part of the move may come from the new rules rather than the company.

Blended P/E and rating by weekBlended P/E moved from 47.8 to 44.8 between 2026-07-09 and 2026-10-02, against a normal P/E of 34.0, with 4 rating changes over 30 recorded weeks.2026-07-09: P/E 47.8, Significantly overvalued, recalculated for the week of 2026-07-092026-07-10: P/E 47.8, Significantly overvalued, recalculated for the week of 2026-07-122026-07-13: P/E 47.8, Significantly overvalued, recalculated for the week of 2026-07-132026-07-14: P/E 47.8, Significantly overvalued, recalculated for the week of 2026-07-142026-07-20: P/E 47.8, Significantly overvalued, recalculated for the week of 2026-07-202026-07-22: P/E 48.4, Significantly overvalued, recalculated for the week of 2026-07-222026-07-24: P/E 48.4, Significantly overvalued, recalculated for the week of 2026-07-252026-07-27: P/E 48.4, Significantly overvalued, recalculated for the week of 2026-07-272026-07-31: P/E 48.4, Significantly overvalued, recalculated for the week of 2026-07-312026-07-31: P/E 41.4, Trading above its usual valuation, recorded live 2026-08-032026-08-07: P/E 41.4, Trading above its usual valuation, recalculated for the week of 2026-08-072026-08-07: P/E 45.3, Favorable on our tests, recorded live 2026-08-102026-08-14: P/E 45.3, Favorable on our tests, recalculated for the week of 2026-08-142026-08-14: P/E 48.3, Favorable on our tests, recorded live 2026-08-172026-08-21: P/E 48.3, Favorable on our tests, recalculated for the week of 2026-08-212026-08-21: P/E 42.3, Favorable on our tests, recorded live 2026-08-242026-08-27: P/E 42.3, Favorable on our tests, recalculated for the week of 2026-08-272026-08-28: P/E 42.3, Favorable on our tests, recalculated for the week of 2026-08-282026-08-28: P/E 42.3, Favorable on our tests, recalculated for the week of 2026-08-302026-08-28: P/E 38.7, Favorable on our tests, recorded live 2026-08-312026-09-04: P/E 38.7, Favorable on our tests, recalculated for the week of 2026-09-052026-09-04: P/E 38.0, Favorable on our tests, recorded live 2026-09-072026-09-11: P/E 38.0, Favorable on our tests, recalculated for the week of 2026-09-122026-09-11: P/E 39.4, Favorable on our tests, recorded live 2026-09-142026-09-18: P/E 39.4, Favorable on our tests, recalculated for the week of 2026-09-192026-09-18: P/E 36.6, Favorable on our tests, recorded live 2026-09-212026-09-25: P/E 36.6, Favorable on our tests, recalculated for the week of 2026-09-262026-09-25: P/E 39.7, Mixed on our tests, recorded live 2026-09-282026-10-02: P/E 39.7, Mixed on our tests, recalculated for the week of 2026-10-032026-10-02: P/E 44.8, Trading above its usual valuation, recorded live 2026-10-0535.040.045.0Jul 9Jul 30Aug 20Sep 11Oct 2Normal P/E 34.0
Favorable on our testsMixed on our testsTrading above its usual valuationSignificantly overvaluedLarger dot: a stronger reading

Not every point was recorded live. Points marked recalculated apply today's valuation rules to the metrics tickerseer archived that week.

Selected weeks: the first, the latest, every week the rating moved, and the cheapest and dearest.

WeekBlended P/EPremium to normal P/ERating
2026-07-09P/E 47.8+40%Significantly overvalued (recalculated)
2026-07-22P/E 48.4+42%Significantly overvalued (recalculated)
2026-08-03P/E 41.4+22%Trading above its usual valuation
2026-08-10P/E 45.3+33%Favorable on our tests
2026-09-21P/E 36.6+8%Favorable on our tests
2026-09-28P/E 39.7+16%Mixed on our tests (across a rating rules change)
2026-10-05P/E 44.8+31%Trading above its usual valuation ← now
Show all 30 weeks
WeekBlended P/EPremium to normal P/ERating
2026-07-09P/E 47.8+40%Significantly overvalued (recalculated)
2026-07-12P/E 47.8+40%Significantly overvalued (recalculated)
2026-07-13P/E 47.8+40%Significantly overvalued (recalculated)
2026-07-14P/E 47.8+40%Significantly overvalued (recalculated)
2026-07-20P/E 47.8+40%Significantly overvalued (recalculated)
2026-07-22P/E 48.4+42%Significantly overvalued (recalculated)
2026-07-25P/E 48.4+42%Significantly overvalued (recalculated)
2026-07-27P/E 48.4+42%Significantly overvalued (recalculated)
2026-07-31P/E 48.4+42%Significantly overvalued (recalculated)
2026-08-03P/E 41.4+22%Trading above its usual valuation
2026-08-07P/E 41.4+22%Trading above its usual valuation (recalculated)
2026-08-10P/E 45.3+33%Favorable on our tests
2026-08-14P/E 45.3+33%Favorable on our tests (recalculated)
2026-08-17P/E 48.3+42%Favorable on our tests
2026-08-21P/E 48.3+42%Favorable on our tests (recalculated)
2026-08-24P/E 42.3+24%Favorable on our tests
2026-08-27P/E 42.3+24%Favorable on our tests (recalculated)
2026-08-28P/E 42.3+24%Favorable on our tests (recalculated)
2026-08-30P/E 42.3+24%Favorable on our tests (recalculated)
2026-08-31P/E 38.7+14%Favorable on our tests
2026-09-05P/E 38.7+14%Favorable on our tests (recalculated)
2026-09-07P/E 38.0+12%Favorable on our tests
2026-09-12P/E 38.0+12%Favorable on our tests (recalculated)
2026-09-14P/E 39.4+16%Favorable on our tests
2026-09-19P/E 39.4+16%Favorable on our tests (recalculated)
2026-09-21P/E 36.6+8%Favorable on our tests
2026-09-26P/E 36.6+8%Favorable on our tests (recalculated)
2026-09-28P/E 39.7+16%Mixed on our tests (across a rating rules change)
2026-10-03P/E 39.7+16%Mixed on our tests (recalculated)
2026-10-05P/E 44.8+31%Trading above its usual valuation ← now

Frequently asked questions

Is Onto Innovation stock overvalued?

At a blended P/E of 44.8 versus its historical normal P/E of 34.0, Onto Innovation trades about 31% above its typical valuation, with a PEG of 1.43 on 31.3% forward growth. tickerseer currently rates it trading above its usual valuation.

What is Onto Innovation's fair value and PEG?

Onto Innovation trades at a blended P/E of 44.8 against a historical normal P/E of 34.0, a PEG of 1.43, and a forward growth estimate of 31.3%. Priced at its historical normal P/E of 34.0 on the same blended earnings, the 2026-10-02 close of $327.77 corresponds to about $249 a share. This is a valuation reference, not a price target.

Has tickerseer's rating of Onto Innovation changed?

tickerseer's rating moved from significantly overvalued (2026-07-09) to trading above its usual valuation (2026-10-05). New rating rules took effect in the week of 2026-09-28, and this rating moved across that change, so part of the move may come from the new rules rather than the company.

What is the analyst price target for Onto Innovation?

The mean Wall Street price target for Onto Innovation is $387.50 across 12 analysts, 32.4% above the current price. tickerseer's SeerForecast verdict is formed independently of analyst targets.

Industry: Semiconductor Materials & Equipment. Create a free account to see the full analysis: the SeerAI score, its five quality sub-scores, valuation history, and the AI research note. Options setups and metric history are part of the paid plans.

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