ATON Inc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-04-21 | 9,950.00 | 9,950.00 | 9,060.00 | 9,350.00 | 9,350.00 | 1,978,982 |
| 2026-04-20 | 9,100.00 | 11,070.00 | 9,010.00 | 9,910.00 | 9,910.00 | 24,573,070 |
| 2026-04-17 | 9,110.00 | 9,440.00 | 8,180.00 | 8,810.00 | 8,810.00 | 11,627,190 |
| 2026-04-16 | 10,380.00 | 11,370.00 | 8,900.00 | 8,900.00 | 8,900.00 | 36,024,480 |
| 2026-04-15 | 7,600.00 | 8,820.00 | 7,310.00 | 8,820.00 | 8,820.00 | 17,352,650 |
| 2026-04-14 | 6,650.00 | 7,170.00 | 6,490.00 | 6,790.00 | 6,790.00 | 1,460,938 |
| 2026-04-13 | 6,150.00 | 6,410.00 | 6,080.00 | 6,250.00 | 6,250.00 | 267,320 |
| 2026-04-10 | 6,040.00 | 6,480.00 | 6,040.00 | 6,370.00 | 6,370.00 | 315,297 |
| 2026-04-09 | 6,070.00 | 6,090.00 | 5,990.00 | 6,020.00 | 6,020.00 | 139,217 |
| 2026-04-08 | 5,830.00 | 6,130.00 | 5,800.00 | 6,090.00 | 6,090.00 | 268,431 |
| 2026-04-07 | 5,980.00 | 6,140.00 | 5,630.00 | 5,640.00 | 5,640.00 | 263,792 |
| 2026-04-06 | 5,870.00 | 6,280.00 | 5,810.00 | 5,930.00 | 5,930.00 | 302,103 |
| 2026-04-03 | 5,860.00 | 5,930.00 | 5,750.00 | 5,800.00 | 5,800.00 | 161,327 |
| 2026-04-02 | 6,360.00 | 6,410.00 | 5,660.00 | 5,740.00 | 5,740.00 | 547,836 |
| 2026-04-01 | 6,090.00 | 6,340.00 | 6,090.00 | 6,290.00 | 6,290.00 | 133,632 |
| 2026-03-31 | 6,100.00 | 6,180.00 | 5,920.00 | 5,920.00 | 5,920.00 | 174,182 |
| 2026-03-30 | 6,100.00 | 6,300.00 | 6,100.00 | 6,180.00 | 6,180.00 | 155,987 |
| 2026-03-27 | 6,240.00 | 6,450.00 | 6,110.00 | 6,400.00 | 6,400.00 | 150,442 |
| 2026-03-26 | 6,700.00 | 6,700.00 | 6,200.00 | 6,250.00 | 6,250.00 | 246,076 |
| 2026-03-25 | 6,610.00 | 6,770.00 | 6,500.00 | 6,700.00 | 6,700.00 | 234,407 |
| 2026-03-24 | 6,320.00 | 6,550.00 | 6,130.00 | 6,500.00 | 6,500.00 | 262,781 |
| 2026-03-23 | 6,430.00 | 6,430.00 | 6,190.00 | 6,200.00 | 6,200.00 | 233,861 |
| 2026-03-20 | 6,440.00 | 6,640.00 | 6,360.00 | 6,520.00 | 6,520.00 | 156,338 |
| 2026-03-19 | 6,490.00 | 6,610.00 | 6,350.00 | 6,400.00 | 6,400.00 | 334,093 |
| 2026-03-18 | 6,780.00 | 6,860.00 | 6,530.00 | 6,580.00 | 6,580.00 | 210,486 |
| 2026-03-17 | 6,700.00 | 6,910.00 | 6,690.00 | 6,720.00 | 6,720.00 | 309,384 |
| 2026-03-16 | 6,790.00 | 6,990.00 | 6,530.00 | 6,630.00 | 6,630.00 | 250,612 |
| 2026-03-13 | 6,480.00 | 6,920.00 | 6,350.00 | 6,790.00 | 6,790.00 | 320,256 |
| 2026-03-12 | 6,480.00 | 6,710.00 | 6,440.00 | 6,600.00 | 6,600.00 | 204,019 |
| 2026-03-11 | 6,450.00 | 6,700.00 | 6,370.00 | 6,520.00 | 6,520.00 | 377,807 |
| 2026-03-10 | 6,350.00 | 6,430.00 | 6,250.00 | 6,360.00 | 6,360.00 | 255,397 |
| 2026-03-09 | 6,020.00 | 6,120.00 | 5,850.00 | 6,090.00 | 6,090.00 | 340,911 |
| 2026-03-06 | 6,230.00 | 6,490.00 | 6,070.00 | 6,450.00 | 6,450.00 | 337,205 |
| 2026-03-05 | 5,910.00 | 6,490.00 | 5,910.00 | 6,330.00 | 6,330.00 | 560,871 |
| 2026-03-04 | 6,470.00 | 6,600.00 | 5,600.00 | 5,600.00 | 5,600.00 | 1,205,885 |
| 2026-03-03 | 7,000.00 | 7,160.00 | 6,730.00 | 6,730.00 | 6,730.00 | 585,026 |
| 2026-02-27 | 7,350.00 | 7,500.00 | 7,130.00 | 7,160.00 | 7,160.00 | 560,407 |
| 2026-02-26 | 7,600.00 | 7,820.00 | 7,250.00 | 7,270.00 | 7,270.00 | 889,574 |
| 2026-02-25 | 7,540.00 | 7,580.00 | 7,230.00 | 7,280.00 | 7,280.00 | 665,101 |
| 2026-02-24 | 7,700.00 | 7,780.00 | 7,500.00 | 7,530.00 | 7,530.00 | 503,121 |
| 2026-02-23 | 7,930.00 | 8,000.00 | 7,670.00 | 7,700.00 | 7,700.00 | 776,901 |
| 2026-02-20 | 8,000.00 | 8,290.00 | 7,730.00 | 7,870.00 | 7,870.00 | 1,565,485 |
| 2026-02-19 | 8,090.00 | 8,090.00 | 7,770.00 | 7,870.00 | 7,870.00 | 957,675 |
| 2026-02-13 | 7,460.00 | 8,400.00 | 7,360.00 | 7,850.00 | 7,850.00 | 3,960,777 |
| 2026-02-12 | 7,580.00 | 7,620.00 | 7,370.00 | 7,560.00 | 7,560.00 | 311,234 |
| 2026-02-11 | 7,660.00 | 7,670.00 | 7,290.00 | 7,530.00 | 7,530.00 | 577,242 |
| 2026-02-10 | 7,840.00 | 7,860.00 | 7,600.00 | 7,600.00 | 7,600.00 | 527,198 |
| 2026-02-09 | 7,460.00 | 7,890.00 | 7,430.00 | 7,740.00 | 7,740.00 | 928,594 |
| 2026-02-06 | 7,300.00 | 7,380.00 | 6,890.00 | 7,210.00 | 7,210.00 | 880,057 |
| 2026-02-05 | 7,870.00 | 8,090.00 | 7,550.00 | 7,610.00 | 7,610.00 | 1,302,620 |
| 2026-02-04 | 7,630.00 | 8,050.00 | 7,450.00 | 7,860.00 | 7,860.00 | 2,344,007 |
| 2026-02-03 | 7,330.00 | 7,680.00 | 7,260.00 | 7,640.00 | 7,640.00 | 781,625 |
| 2026-02-02 | 7,480.00 | 7,630.00 | 7,110.00 | 7,210.00 | 7,210.00 | 649,857 |
| 2026-01-30 | 7,670.00 | 7,770.00 | 7,420.00 | 7,480.00 | 7,480.00 | 752,441 |
| 2026-01-29 | 7,330.00 | 7,990.00 | 7,180.00 | 7,740.00 | 7,740.00 | 2,077,812 |
| 2026-01-28 | 7,820.00 | 8,200.00 | 7,200.00 | 7,310.00 | 7,310.00 | 2,396,832 |
| 2026-01-27 | 7,730.00 | 8,090.00 | 7,570.00 | 7,730.00 | 7,730.00 | 1,997,827 |
| 2026-01-26 | 7,550.00 | 8,470.00 | 7,060.00 | 7,810.00 | 7,810.00 | 8,290,229 |
| 2026-01-23 | 6,110.00 | 7,650.00 | 6,110.00 | 7,250.00 | 7,250.00 | 9,419,176 |
| 2026-01-22 | 6,040.00 | 6,140.00 | 5,950.00 | 6,120.00 | 6,120.00 | 253,848 |
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.