ONTO
StockOnto Innovation Inc.
One email when a drop — in price or in valuation — is historically rare for ONTO. Otherwise we stay quiet.
Bigger than its usual dip. Not yet rare.
Onto Innovation Inc. is 28.4% off its high — deeper than its 8.8% average pullback, but it has been through 60 drawdowns before. Not historically significant yet — we'll say so if that changes.
But down is not the same as cheap: Onto Innovation Inc.'s P/S Severity Score is 0.0 — its valuation sits in or above its typical range.
Significant
Current Drawdown
-28.4%
Days in Drawdown
45
Avg Max Drawdown
8.8%
Avg Length
39
Drawdown Severity Score™
4.7
ONTO - Price & High Water Mark
ONTO - Drawdown Timeline
How to read this chart: Negative values indicate drawdowns from all-time highs. Values closer to 0% mean the stock is near its high water mark.
Valuation vs Its Own History
Data as of August 26, 2026 · updated daily
Where today's valuation sits within ONTO's own multi-year range, scored with the same Drawdown Severity Score language as price, measured from its typical level rather than its record high — a higher score means it has rarely been cheaper. This is context, not a recommendation.
Price to Sales
Onto Innovation Inc. has been cheaper on this measure only about 98% of the time in 20 years of daily history.
Price to Sales history
EV to EBITDA
Onto Innovation Inc. has been cheaper on this measure only about 92% of the time in 20 years of daily history.
EV to EBITDA history · log scale
Onto Innovation Inc. (ONTO) Analysis: Current Drawdown Insights
Onto Innovation Inc. is currently in a drawdown that is unusual by its own historical standards. As of 2026-08-28, the stock is trading at $270.79, which represents a 28.4% decline from its all-time high of $378.45. This drawdown has persisted for 45 days.
Based on its full tracked price history, Onto Innovation Inc. typically experiences drawdowns averaging 8.8% in depth, with an average duration of 39 days. Onto Innovation Inc. has gone through 60 total drawdown events in its tracked history. The largest drawdown on record for Onto Innovation Inc. was 62.8%, beginning in 2024. The longest drawdown duration on record was 631 days.
The Drawdown Severity Score™ for Onto Innovation Inc. currently stands at 4.71. This is our proprietary indicator that shows the relative severity of the current drawdown based on the asset's unique historical patterns. A score between 3.0 and 5.0 indicates an elevated drawdown that's larger than this asset's historical averages.
Understanding Drawdowns: A drawdown measures how far a stock has fallen from its peak price. Every stock experiences drawdowns: periods when the price declines from all-time highs before recovering. By analyzing Onto Innovation Inc.'s historical drawdown patterns, investors can identify when the stock is experiencing a typical market fluctuation versus an unusual decline that is rare by that stock's own historical standards.
📜 Historical Drawdown Events
Current drawdown shown in blue. Showing the most recent and the deepest of 60 tracked pullbacks (52 listed).
| Start Date | End Date | Duration | Max Depth | Start Price | Lowest Price | Recovery Price |
|---|---|---|---|---|---|---|
| 2026-07-14 | Ongoing | 45 days | -28.4% | $378.45 | $270.79 | n/a |
| 2026-06-23 | 2026-06-29 | 7 days | -9.2% | $347.87 | $315.88 | $351.45 |
| 2026-06-16 | 2026-06-22 | 7 days | -5.9% | $335.96 | $316.15 | $347.87 |
| 2026-04-27 | 2026-06-12 | 47 days | -19.4% | $307.86 | $248.08 | $323.88 |
| 2026-04-23 | 2026-04-24 | 2 days | -1.7% | $297.34 | $292.31 | $307.86 |
| 2026-04-21 | 2026-04-22 | 2 days | -1.7% | $295.09 | $290.11 | $297.34 |
| 2026-04-15 | 2026-04-16 | 2 days | -1.0% | $261.59 | $258.90 | $267.15 |
| 2026-04-13 | 2026-04-14 | 2 days | -1.8% | $257.14 | $252.61 | $261.59 |
| 2024-07-17 | 2026-04-08 | 631 days | -62.8% | $238.04 | $88.50 | $240.49 |
| 2024-07-11 | 2024-07-16 | 6 days | -4.7% | $236.66 | $225.50 | $238.04 |
| 2024-05-16 | 2024-07-09 | 55 days | -10.6% | $233.63 | $208.98 | $234.44 |
| 2024-05-13 | 2024-05-14 | 2 days | -1.2% | $224.35 | $221.62 | $228.30 |
| 2024-05-08 | 2024-05-10 | 3 days | -2.4% | $211.13 | $206.15 | $224.35 |
| 2024-03-08 | 2024-05-03 | 56 days | -13.8% | $196.61 | $169.39 | $200.80 |
| 2024-03-05 | 2024-03-07 | 3 days | -3.5% | $194.73 | $187.83 | $196.61 |
| 2024-02-20 | 2024-02-29 | 10 days | -7.8% | $182.23 | $167.95 | $184.16 |
| 2024-02-12 | 2024-02-16 | 5 days | -6.5% | $180.01 | $168.39 | $182.23 |
| 2024-01-23 | 2024-02-09 | 18 days | -7.1% | $167.75 | $155.77 | $180.01 |
| 2023-12-15 | 2024-01-19 | 36 days | -13.1% | $156.70 | $136.19 | $162.87 |
| 2023-10-13 | 2023-12-11 | 60 days | -22.3% | $143.04 | $111.16 | $144.59 |
| 2023-09-01 | 2023-10-10 | 40 days | -12.1% | $138.98 | $122.11 | $139.78 |
| 2023-08-01 | 2023-08-29 | 29 days | -11.7% | $124.32 | $109.76 | $129.83 |
| 2023-07-03 | 2023-07-27 | 25 days | -10.0% | $116.47 | $104.84 | $117.30 |
| 2023-06-09 | 2023-06-27 | 19 days | -6.9% | $112.22 | $104.50 | $112.79 |
| 2023-05-31 | 2023-06-07 | 8 days | -2.5% | $109.50 | $106.74 | $111.36 |
| 2022-01-18 | 2023-05-26 | 493 days | -44.3% | $105.96 | $59.04 | $109.22 |
| 2022-01-04 | 2022-01-14 | 11 days | -10.7% | $103.61 | $92.56 | $105.96 |
| 2021-12-28 | 2022-01-03 | 7 days | -2.7% | $102.27 | $99.52 | $103.61 |
| 2021-12-08 | 2021-12-23 | 16 days | -8.1% | $98.46 | $90.53 | $99.11 |
| 2021-11-30 | 2021-12-07 | 8 days | -2.0% | $94.76 | $92.88 | $98.46 |
| 2021-11-08 | 2021-11-29 | 22 days | -7.0% | $92.81 | $86.33 | $94.76 |
| 2021-09-15 | 2021-11-01 | 48 days | -11.8% | $79.54 | $70.17 | $80.72 |
| 2021-09-08 | 2021-09-14 | 7 days | -4.0% | $79.29 | $76.10 | $79.54 |
| 2021-08-10 | 2021-09-07 | 29 days | -15.8% | $78.12 | $65.80 | $79.29 |
| 2021-06-14 | 2021-08-06 | 54 days | -15.1% | $74.98 | $63.69 | $77.22 |
| 2021-06-02 | 2021-06-09 | 8 days | -3.4% | $72.06 | $69.61 | $72.63 |
| 2021-04-06 | 2021-05-28 | 53 days | -20.7% | $71.62 | $56.83 | $71.77 |
| 2021-03-18 | 2021-04-01 | 15 days | -11.6% | $66.48 | $58.80 | $69.92 |
| 2021-02-22 | 2021-03-17 | 23 days | -15.9% | $66.27 | $55.70 | $66.48 |
| 2021-02-18 | 2021-02-19 | 2 days | -2.9% | $64.75 | $62.84 | $66.27 |
| 2021-02-09 | 2021-02-11 | 3 days | -2.8% | $60.40 | $58.71 | $61.33 |
| 2021-02-05 | 2021-02-08 | 4 days | -0.3% | $60.12 | $59.95 | $60.40 |
| 2021-02-03 | 2021-02-04 | 2 days | -2.2% | $59.77 | $58.46 | $60.12 |
| 2021-01-20 | 2021-02-02 | 14 days | -7.1% | $58.21 | $54.05 | $59.77 |
| 2021-01-15 | 2021-01-19 | 5 days | -2.5% | $57.05 | $55.65 | $58.21 |
| 2021-01-13 | 2021-01-14 | 2 days | -0.2% | $54.18 | $54.08 | $57.05 |
| 2021-01-08 | 2021-01-11 | 4 days | -2.1% | $52.98 | $51.87 | $53.07 |
| 2020-12-31 | 2021-01-05 | 6 days | -1.3% | $48.18 | $47.55 | $48.75 |
| 2020-12-29 | 2020-12-30 | 2 days | -2.9% | $48.15 | $46.73 | $48.18 |
| 2020-12-08 | 2020-12-24 | 17 days | -4.1% | $47.65 | $45.71 | $48.02 |
| 2020-12-02 | 2020-12-04 | 3 days | -1.1% | $45.03 | $44.55 | $46.22 |
| 2020-02-07 | 2020-11-16 | 284 days | -49.8% | $41.47 | $20.82 | $42.58 |
| 2019-11-19 | 2019-12-20 | 32 days | -10.1% | $35.55 | $31.97 | $36.25 |
How to read: Each row shows a complete drawdown from peak to recovery. Red rows = most severe drawdowns (worst 20% or 5x+ average), yellow rows = moderate (2x-5x worse than average).
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Or explore current drawdowns:
Onto Innovation Inc. (ONTO) is trading at $270.79 as of Aug 28, 2026. It is 28.4% below its high of $378.45. The drawdown has lasted 45 days. Severity score: 4.7 (Significant).
ONTO Price History and Drawdown Data
Latest price
$270.79
High-water mark
$378.45
Current drawdown
-28.4%
Days in drawdown
45
This ONTO page is built around daily price history, the latest high-water mark, current drawdown depth, drawdown duration, and comparable historical drawdown events. The chart above provides the price-history context, while the sections below explain how the current move compares with prior Onto Innovation Inc. drawdowns.
What History Says About ONTO
Onto Innovation Inc. has dropped 15%+ from its high 9 times in its tracked history. These events lasted an average of 186 days with an average max drop of -29.6%.
The current drawdown of -28.4% has lasted 45 days, which is within the typical range for comparable events.
| Period | Max Drop | Duration |
|---|---|---|
| Jul 2024 to Apr 2026 | -62.8% | 631 days |
| Feb 2020 to Nov 2020 | -49.8% | 284 days |
| Jan 2022 to May 2023 | -44.3% | 493 days |
| Oct 2023 to Dec 2023 | -22.3% | 60 days |
| Apr 2021 to May 2021 | -20.7% | 53 days |
| Apr 2026 to Jun 2026 | -19.4% | 47 days |
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