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Onto Innovation Inc. (ONTO) stock

ONTONYSEMeasuring & Controlling Devices, NECFiscal year ends December 26
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 6, 2026Score 11/3076% above fair value
$201.57−20.32 (-9.16%)

Close on Oct 30, 2026Market cap $9.89BP/E 75.8Yield –

Price history

Onto Innovation share prices for every trading day, newest first. Adjusted for stock splits, not for dividends.

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Close, Oct 30, 2026
$201.57
-9.16% on the day
52-week range
$118.97 – $386.46
-47.8% from the high
Change over 52 weeks
+47.1%
From $137.05 on Oct 30, 2025
Average volume
1.09M
Shares a day, last 90 sessions
DateOpenHighLowCloseChangeVolume
Oct 30, 2026$204.24$210.78$195.21$201.57-9.16%1,085,273
Oct 29, 2026$220.65$229.14$219.19$221.89-0.80%824,462
Oct 28, 2026$219.92$225.54$216.74$223.68+4.44%1,123,704
Oct 27, 2026$209.93$216.40$206.02$214.17+5.23%637,100
Oct 26, 2026$200.30$208.60$196.66$203.53+2.44%879,359
Oct 23, 2026$196.72$203.87$195.19$198.68+0.01%831,604
Oct 22, 2026$205.38$207.89$196.54$198.67-10.57%1,483,572
Oct 21, 2026$226.01$228.98$219.65$222.14+1.15%1,316,044
Oct 20, 2026$220.20$225.12$214.65$219.62-2.94%1,175,153
Oct 19, 2026$232.16$233.15$224.67$226.28+2.53%796,632
Oct 16, 2026$229.84$232.85$219.92$220.70-4.85%1,240,002
Oct 15, 2026$228.76$232.16$220.22$231.95-3.92%1,503,934
Oct 14, 2026$256.11$259.10$237.54$241.41-8.40%1,881,893
Oct 13, 2026$266.66$271.92$256.53$263.55-3.72%1,098,419
Oct 12, 2026$289.87$289.87$272.62$273.74-7.06%1,047,329
Oct 9, 2026$298.77$299.22$290.00$294.53+0.64%567,219
Oct 8, 2026$297.04$306.35$288.16$292.67-3.85%762,177
Oct 7, 2026$302.73$306.37$296.01$304.40-2.97%934,070
Oct 6, 2026$329.29$329.29$311.00$313.71-3.60%1,057,660
Oct 5, 2026$327.74$330.00$319.72$325.41-0.72%796,268
Oct 2, 2026$328.89$339.04$325.89$327.77+4.09%1,019,511
Oct 1, 2026$315.94$315.94$306.37$314.88+2.29%664,342
Sep 30, 2026$304.88$311.00$297.90$307.82+1.03%756,804
Sep 29, 2026$297.00$304.78$295.90$304.69+5.52%652,467
Sep 28, 2026$286.93$292.36$279.66$288.74+0.38%395,973
Sep 25, 2026$281.94$290.00$281.00$287.64+2.83%417,454
Sep 24, 2026$276.16$281.04$272.26$279.73-0.91%458,537
Sep 23, 2026$281.73$286.00$273.06$282.31-0.53%642,949
Sep 22, 2026$273.71$284.76$273.50$283.81+2.84%773,991
Sep 21, 2026$272.00$277.14$268.27$275.98+4.76%817,996

Seasonality

ONTO return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.

YearJanFebMarAprMayJunJulAugSepOctNovDec
Average9.4%-0.7%0.9%2.7%7.8%6.2%-1.5%1.2%2.6%-4.2%9.3%1.5%
Months up8 of 106 of 106 of 106 of 105 of 107 of 105 of 106 of 104 of 104 of 107 of 96 of 9
202628.0%6.8%-5.0%43.9%-12.5%46.5%-31.7%3.3%15.2%-34.5%
202522.9%-28.9%-16.7%0.5%-24.6%9.8%-6.1%11.9%21.9%4.4%6.1%10.3%
20245.6%14.0%-1.7%2.4%16.8%1.3%-12.9%11.5%-2.7%-4.4%-17.2%1.5%
202315.5%4.9%6.6%-7.9%32.6%8.5%6.7%11.8%-8.2%-11.9%25.5%8.4%
2022-9.6%-5.8%0.8%-18.1%13.0%-13.2%19.4%-14.7%-9.8%4.4%19.6%-14.8%
202113.7%15.6%5.2%4.3%4.7%1.8%-4.1%5.8%-2.5%9.6%18.9%7.5%
20203.8%-19.4%-2.9%9.4%-4.3%9.5%11.1%-17.4%-4.7%7.7%37.9%7.6%
201911.9%-7.0%8.5%-3.5%-4.5%22.0%-9.6%-13.0%19.5%-1.3%4.2%8.9%
2018-0.6%6.5%1.9%-7.7%69.1%-15.6%6.4%16.3%-14.4%-14.6%0.2%-14.9%
20172.6%5.8%11.9%3.6%-11.9%-9.0%5.4%-3.2%11.7%-1.8%-11.0%-1.0%