ATON Inc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-10-19 | 5,280.00 | 5,590.00 | 5,220.00 | 5,580.00 | 5,580.00 | 522,778 |
| 2026-10-16 | 5,380.00 | 5,770.00 | 5,310.00 | 5,590.00 | 5,590.00 | 1,191,950 |
| 2026-10-15 | 5,520.00 | 5,680.00 | 5,260.00 | 5,380.00 | 5,380.00 | 1,113,508 |
| 2026-10-14 | 5,890.00 | 6,100.00 | 5,750.00 | 5,890.00 | 5,890.00 | 1,200,769 |
| 2026-10-13 | 5,950.00 | 6,560.00 | 5,840.00 | 6,000.00 | 6,000.00 | 4,082,526 |
| 2026-10-12 | 6,410.00 | 6,800.00 | 6,190.00 | 6,210.00 | 6,210.00 | 2,527,841 |
| 2026-10-08 | 6,700.00 | 6,740.00 | 6,160.00 | 6,550.00 | 6,550.00 | 3,963,280 |
| 2026-10-07 | 7,000.00 | 7,240.00 | 6,580.00 | 6,990.00 | 6,990.00 | 11,617,301 |
| 2026-10-06 | 6,170.00 | 7,150.00 | 5,920.00 | 6,980.00 | 6,980.00 | 19,585,199 |
| 2026-10-02 | 5,440.00 | 5,560.00 | 5,410.00 | 5,500.00 | 5,500.00 | 820,595 |
| 2026-10-01 | 5,300.00 | 5,420.00 | 5,200.00 | 5,400.00 | 5,400.00 | 452,603 |
| 2026-09-30 | 5,370.00 | 5,450.00 | 5,290.00 | 5,320.00 | 5,320.00 | 301,543 |
| 2026-09-29 | 5,750.00 | 5,750.00 | 5,260.00 | 5,350.00 | 5,350.00 | 872,120 |
| 2026-09-28 | 5,550.00 | 5,770.00 | 5,490.00 | 5,620.00 | 5,620.00 | 1,169,619 |
| 2026-09-23 | 5,500.00 | 5,920.00 | 5,420.00 | 5,490.00 | 5,490.00 | 5,267,798 |
| 2026-09-22 | 5,670.00 | 5,680.00 | 5,310.00 | 5,380.00 | 5,380.00 | 918,238 |
| 2026-09-21 | 5,630.00 | 5,910.00 | 5,540.00 | 5,560.00 | 5,560.00 | 2,255,748 |
| 2026-09-18 | 5,920.00 | 5,970.00 | 5,630.00 | 5,650.00 | 5,650.00 | 2,442,281 |
| 2026-09-17 | 5,960.00 | 6,000.00 | 5,680.00 | 5,740.00 | 5,740.00 | 2,163,576 |
| 2026-09-16 | 6,390.00 | 6,450.00 | 5,630.00 | 6,020.00 | 6,020.00 | 9,610,157 |
| 2026-09-15 | 5,050.00 | 6,310.00 | 4,910.00 | 6,310.00 | 6,310.00 | 11,780,400 |
| 2026-09-14 | 4,885.00 | 5,040.00 | 4,780.00 | 4,860.00 | 4,860.00 | 878,558 |
| 2026-09-11 | 4,640.00 | 5,100.00 | 4,610.00 | 4,825.00 | 4,825.00 | 1,008,420 |
| 2026-09-10 | 4,630.00 | 4,665.00 | 4,555.00 | 4,630.00 | 4,630.00 | 121,208 |
| 2026-09-09 | 4,580.00 | 4,735.00 | 4,565.00 | 4,665.00 | 4,665.00 | 152,527 |
| 2026-09-08 | 4,640.00 | 4,705.00 | 4,555.00 | 4,560.00 | 4,560.00 | 170,671 |
| 2026-09-07 | 4,820.00 | 4,820.00 | 4,625.00 | 4,640.00 | 4,640.00 | 231,039 |
| 2026-09-04 | 4,590.00 | 4,980.00 | 4,590.00 | 4,850.00 | 4,850.00 | 796,030 |
| 2026-09-03 | 4,515.00 | 4,535.00 | 4,390.00 | 4,480.00 | 4,480.00 | 104,291 |
| 2026-09-02 | 4,530.00 | 4,645.00 | 4,300.00 | 4,475.00 | 4,475.00 | 166,423 |
| 2026-09-01 | 4,685.00 | 4,735.00 | 4,570.00 | 4,660.00 | 4,660.00 | 111,924 |
| 2026-08-31 | 4,675.00 | 4,700.00 | 4,500.00 | 4,670.00 | 4,670.00 | 197,544 |
| 2026-08-28 | 4,700.00 | 4,940.00 | 4,645.00 | 4,795.00 | 4,795.00 | 476,032 |
| 2026-08-27 | 4,610.00 | 4,720.00 | 4,570.00 | 4,610.00 | 4,610.00 | 126,834 |
| 2026-08-26 | 4,655.00 | 4,655.00 | 4,505.00 | 4,610.00 | 4,610.00 | 104,039 |
| 2026-08-25 | 4,505.00 | 4,670.00 | 4,385.00 | 4,665.00 | 4,665.00 | 124,420 |
| 2026-08-24 | 4,475.00 | 4,720.00 | 4,265.00 | 4,500.00 | 4,500.00 | 258,438 |
| 2026-08-21 | 4,645.00 | 4,745.00 | 4,330.00 | 4,390.00 | 4,390.00 | 219,415 |
| 2026-08-20 | 4,490.00 | 4,800.00 | 4,490.00 | 4,620.00 | 4,620.00 | 250,430 |
| 2026-08-19 | 4,340.00 | 4,600.00 | 4,320.00 | 4,405.00 | 4,405.00 | 111,515 |
| 2026-08-18 | 4,910.00 | 4,910.00 | 4,520.00 | 4,605.00 | 4,605.00 | 204,166 |
| 2026-08-14 | 4,580.00 | 4,850.00 | 4,480.00 | 4,825.00 | 4,825.00 | 260,983 |
| 2026-08-13 | 4,670.00 | 4,700.00 | 4,505.00 | 4,565.00 | 4,565.00 | 165,060 |
| 2026-08-12 | 4,580.00 | 4,690.00 | 4,505.00 | 4,600.00 | 4,600.00 | 131,273 |
| 2026-08-11 | 4,550.00 | 4,640.00 | 4,440.00 | 4,570.00 | 4,570.00 | 145,390 |
| 2026-08-10 | 4,400.00 | 4,540.00 | 4,325.00 | 4,520.00 | 4,520.00 | 166,471 |
| 2026-08-07 | 4,370.00 | 4,380.00 | 4,190.00 | 4,260.00 | 4,260.00 | 107,403 |
| 2026-08-06 | 4,400.00 | 4,460.00 | 4,230.00 | 4,340.00 | 4,340.00 | 106,508 |
| 2026-08-05 | 4,395.00 | 4,500.00 | 4,335.00 | 4,415.00 | 4,415.00 | 165,807 |
| 2026-08-04 | 4,045.00 | 4,325.00 | 4,045.00 | 4,300.00 | 4,300.00 | 221,188 |
| 2026-08-03 | 3,855.00 | 4,140.00 | 3,675.00 | 4,030.00 | 4,030.00 | 196,026 |
| 2026-07-31 | 3,620.00 | 3,880.00 | 3,620.00 | 3,880.00 | 3,880.00 | 172,413 |
| 2026-07-30 | 3,350.00 | 3,655.00 | 3,350.00 | 3,470.00 | 3,470.00 | 191,966 |
| 2026-07-29 | 3,750.00 | 3,870.00 | 3,300.00 | 3,470.00 | 3,470.00 | 368,495 |
| 2026-07-28 | 3,970.00 | 4,060.00 | 3,710.00 | 3,735.00 | 3,735.00 | 272,459 |
| 2026-07-27 | 3,935.00 | 4,070.00 | 3,895.00 | 3,970.00 | 3,970.00 | 185,503 |
| 2026-07-24 | 4,035.00 | 4,075.00 | 3,825.00 | 3,850.00 | 3,850.00 | 345,063 |
| 2026-07-23 | 3,825.00 | 4,495.00 | 3,825.00 | 4,140.00 | 4,140.00 | 1,751,944 |
| 2026-07-22 | 3,815.00 | 3,975.00 | 3,785.00 | 3,810.00 | 3,810.00 | 231,312 |
| 2026-07-21 | 3,640.00 | 3,865.00 | 3,595.00 | 3,740.00 | 3,740.00 | 243,641 |
Page 1 of 21 · 1,217 trading daysOlder →
Stock splits
No stock splits on record.
Dividends
| Ex-date | Amount |
|---|---|
| 2025-12-29 | 50.0000 KRW |
| 2024-12-27 | 50.0000 KRW |
| 2023-12-27 | 30.0000 KRW |
| 2022-12-28 | 100.0000 KRW |
Open, high, low and close are as traded (KRW). Adjusted close accounts for splits and dividends. Educational only, not financial advice.