| 2026-11-042026-11-04 | 2026-11-04 | 184.82 | 184.82 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-11-032026-11-03 | 2026-11-03 | 202.39 | 202.39 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-11-022026-11-02 | 2026-11-02 | 191.40 | 191.40 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-10-302026-10-30 | 2026-10-30 | 201.57 | 201.57 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-10-292026-10-29 | 2026-10-29 | 221.89 | 221.89 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-10-282026-10-28 | 2026-10-28 | 223.68 | 223.68 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-10-272026-10-27 | 2026-10-27 | 214.17 | 214.17 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-10-262026-10-26 | 2026-10-26 | 203.53 | 203.53 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-10-232026-10-23 | 2026-10-23 | 198.68 | 198.68 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-10-222026-10-22 | 2026-10-22 | 198.67 | 198.67 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-10-212026-10-21 | 2026-10-21 | 222.14 | 222.14 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-10-202026-10-20 | 2026-10-20 | 219.62 | 219.62 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-10-192026-10-19 | 2026-10-19 | 226.28 | 226.28 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-10-162026-10-16 | 2026-10-16 | 220.70 | 220.70 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-10-152026-10-15 | 2026-10-15 | 231.95 | 231.95 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-10-142026-10-14 | 2026-10-14 | 241.41 | 241.41 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-10-132026-10-13 | 2026-10-13 | 263.55 | 263.55 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-10-122026-10-12 | 2026-10-12 | 273.74 | 273.74 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-10-092026-10-09 | 2026-10-09 | 294.53 | 294.53 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-10-082026-10-08 | 2026-10-08 | 292.67 | 292.67 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-10-072026-10-07 | 2026-10-07 | 304.40 | 304.40 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-10-062026-10-06 | 2026-10-06 | 313.71 | 313.71 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-10-052026-10-05 | 2026-10-05 | 325.41 | 325.41 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-10-022026-10-02 | 2026-10-02 | 327.77 | 327.77 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-10-012026-10-01 | 2026-10-01 | 314.88 | 314.88 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-09-302026-09-30 | 2026-09-30 | 307.82 | 307.82 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-09-292026-09-29 | 2026-09-29 | 304.69 | 304.69 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-09-282026-09-28 | 2026-09-28 | 288.74 | 288.74 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-09-252026-09-25 | 2026-09-25 | 287.64 | 287.64 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-09-242026-09-24 | 2026-09-24 | 279.73 | 279.73 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-09-232026-09-23 | 2026-09-23 | 282.31 | 282.31 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-09-222026-09-22 | 2026-09-22 | 283.81 | 283.81 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-09-212026-09-21 | 2026-09-21 | 275.98 | 275.98 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-09-182026-09-18 | 2026-09-18 | 263.43 | 263.43 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-09-172026-09-17 | 2026-09-17 | 250.03 | 250.03 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-09-162026-09-16 | 2026-09-16 | 243.64 | 243.64 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-09-152026-09-15 | 2026-09-15 | 244.16 | 244.16 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-09-142026-09-14 | 2026-09-14 | 250.13 | 250.13 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-09-112026-09-11 | 2026-09-11 | 281.26 | 281.26 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-09-102026-09-10 | 2026-09-10 | 268.92 | 268.92 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-09-092026-09-09 | 2026-09-09 | 278.40 | 278.40 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-09-082026-09-08 | 2026-09-08 | 281.11 | 281.11 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-09-042026-09-04 | 2026-09-04 | 268.01 | 268.01 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-09-032026-09-03 | 2026-09-03 | 252.46 | 252.46 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-09-022026-09-02 | 2026-09-02 | 254.55 | 254.55 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-09-012026-09-01 | 2026-09-01 | 256.37 | 256.37 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-08-312026-08-31 | 2026-08-31 | 267.21 | 267.21 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-08-282026-08-28 | 2026-08-28 | 270.79 | 270.79 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-08-272026-08-27 | 2026-08-27 | 292.62 | 292.62 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|
| 2026-08-262026-08-26 | 2026-08-26 | 291.88 | 291.88 | Not specified | Inputs and citationsAs-reported value https://finance.yahoo.com/quote/ONTO/history/ |
|---|