ATON Inc historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-07-21 | 3,640.00 | 3,865.00 | 3,595.00 | 3,740.00 | 3,740.00 | 243,641 |
| 2026-07-20 | 3,720.00 | 3,830.00 | 3,635.00 | 3,680.00 | 3,680.00 | 247,054 |
| 2026-07-16 | 3,890.00 | 4,195.00 | 3,760.00 | 3,810.00 | 3,810.00 | 154,187 |
| 2026-07-15 | 3,655.00 | 3,905.00 | 3,655.00 | 3,900.00 | 3,900.00 | 180,912 |
| 2026-07-14 | 3,655.00 | 3,770.00 | 3,495.00 | 3,635.00 | 3,635.00 | 284,065 |
| 2026-07-13 | 4,025.00 | 4,145.00 | 3,690.00 | 3,710.00 | 3,710.00 | 234,506 |
| 2026-07-10 | 3,695.00 | 4,125.00 | 3,695.00 | 4,025.00 | 4,025.00 | 189,888 |
| 2026-07-09 | 3,720.00 | 3,890.00 | 3,645.00 | 3,680.00 | 3,680.00 | 164,056 |
| 2026-07-08 | 3,890.00 | 4,050.00 | 3,720.00 | 3,770.00 | 3,770.00 | 274,832 |
| 2026-07-07 | 4,095.00 | 4,205.00 | 3,900.00 | 3,990.00 | 3,990.00 | 148,470 |
| 2026-07-06 | 4,210.00 | 4,245.00 | 4,040.00 | 4,125.00 | 4,125.00 | 106,553 |
| 2026-07-03 | 4,075.00 | 4,210.00 | 3,935.00 | 4,205.00 | 4,205.00 | 124,160 |
| 2026-07-02 | 4,265.00 | 4,290.00 | 3,850.00 | 4,070.00 | 4,070.00 | 207,382 |
| 2026-07-01 | 4,260.00 | 4,420.00 | 4,155.00 | 4,280.00 | 4,280.00 | 142,217 |
| 2026-06-30 | 4,410.00 | 4,410.00 | 4,215.00 | 4,240.00 | 4,240.00 | 142,919 |
| 2026-06-29 | 3,935.00 | 4,400.00 | 3,935.00 | 4,390.00 | 4,390.00 | 226,523 |
| 2026-06-26 | 4,200.00 | 4,280.00 | 3,785.00 | 3,960.00 | 3,960.00 | 468,013 |
| 2026-06-25 | 4,470.00 | 4,550.00 | 4,280.00 | 4,290.00 | 4,290.00 | 220,297 |
| 2026-06-24 | 4,360.00 | 4,555.00 | 4,320.00 | 4,470.00 | 4,470.00 | 331,012 |
| 2026-06-23 | 4,690.00 | 4,850.00 | 4,310.00 | 4,360.00 | 4,360.00 | 451,664 |
| 2026-06-22 | 4,780.00 | 4,930.00 | 4,575.00 | 4,660.00 | 4,660.00 | 281,229 |
| 2026-06-19 | 5,170.00 | 5,170.00 | 4,780.00 | 4,895.00 | 4,895.00 | 371,706 |
| 2026-06-18 | 5,310.00 | 5,380.00 | 5,140.00 | 5,140.00 | 5,140.00 | 178,667 |
| 2026-06-17 | 5,350.00 | 5,450.00 | 5,230.00 | 5,310.00 | 5,310.00 | 177,288 |
| 2026-06-16 | 5,430.00 | 5,530.00 | 5,330.00 | 5,400.00 | 5,400.00 | 164,897 |
| 2026-06-15 | 5,330.00 | 5,460.00 | 5,270.00 | 5,400.00 | 5,400.00 | 249,631 |
| 2026-06-12 | 5,170.00 | 5,350.00 | 5,140.00 | 5,240.00 | 5,240.00 | 259,719 |
| 2026-06-11 | 4,880.00 | 5,090.00 | 4,865.00 | 5,020.00 | 5,020.00 | 234,097 |
| 2026-06-10 | 5,180.00 | 5,320.00 | 4,950.00 | 5,030.00 | 5,030.00 | 390,181 |
| 2026-06-09 | 5,100.00 | 5,460.00 | 5,100.00 | 5,310.00 | 5,310.00 | 422,706 |
| 2026-06-08 | 5,050.00 | 5,350.00 | 4,975.00 | 5,060.00 | 5,060.00 | 495,481 |
| 2026-06-05 | 5,630.00 | 5,760.00 | 5,450.00 | 5,600.00 | 5,600.00 | 396,861 |
| 2026-06-04 | 5,850.00 | 6,110.00 | 5,640.00 | 5,800.00 | 5,800.00 | 253,264 |
| 2026-06-02 | 5,950.00 | 6,090.00 | 5,720.00 | 5,940.00 | 5,940.00 | 541,280 |
| 2026-06-01 | 6,160.00 | 6,320.00 | 5,960.00 | 6,110.00 | 6,110.00 | 444,960 |
| 2026-05-29 | 6,830.00 | 6,880.00 | 6,280.00 | 6,370.00 | 6,370.00 | 518,808 |
| 2026-05-28 | 7,050.00 | 7,050.00 | 6,300.00 | 6,610.00 | 6,610.00 | 604,819 |
| 2026-05-27 | 7,390.00 | 7,740.00 | 6,910.00 | 6,980.00 | 6,980.00 | 979,622 |
| 2026-05-26 | 7,290.00 | 8,050.00 | 7,290.00 | 7,610.00 | 7,610.00 | 2,231,284 |
| 2026-05-22 | 7,230.00 | 7,760.00 | 6,920.00 | 7,110.00 | 7,110.00 | 2,076,211 |
| 2026-05-21 | 6,360.00 | 6,610.00 | 6,360.00 | 6,530.00 | 6,530.00 | 302,886 |
| 2026-05-20 | 6,520.00 | 6,640.00 | 6,150.00 | 6,290.00 | 6,290.00 | 489,198 |
| 2026-05-19 | 6,660.00 | 7,050.00 | 6,590.00 | 6,650.00 | 6,650.00 | 886,850 |
| 2026-05-18 | 6,760.00 | 6,820.00 | 6,340.00 | 6,660.00 | 6,660.00 | 537,586 |
| 2026-05-15 | 7,430.00 | 7,650.00 | 6,790.00 | 6,930.00 | 6,930.00 | 822,237 |
| 2026-05-14 | 7,320.00 | 7,550.00 | 7,190.00 | 7,370.00 | 7,370.00 | 426,991 |
| 2026-05-13 | 7,510.00 | 7,830.00 | 7,320.00 | 7,360.00 | 7,360.00 | 647,883 |
| 2026-05-12 | 8,200.00 | 8,390.00 | 7,280.00 | 7,610.00 | 7,610.00 | 1,184,149 |
| 2026-05-11 | 8,100.00 | 8,160.00 | 7,830.00 | 7,850.00 | 7,850.00 | 967,161 |
| 2026-05-08 | 8,330.00 | 8,330.00 | 7,840.00 | 7,960.00 | 7,960.00 | 1,050,614 |
| 2026-05-07 | 8,710.00 | 8,830.00 | 8,340.00 | 8,360.00 | 8,360.00 | 2,235,679 |
| 2026-05-06 | 8,250.00 | 9,060.00 | 7,910.00 | 9,000.00 | 9,000.00 | 5,577,785 |
| 2026-05-04 | 8,290.00 | 8,470.00 | 8,100.00 | 8,180.00 | 8,180.00 | 882,848 |
| 2026-04-30 | 8,030.00 | 8,470.00 | 7,950.00 | 8,010.00 | 8,010.00 | 1,698,425 |
| 2026-04-29 | 8,100.00 | 8,250.00 | 7,870.00 | 8,010.00 | 8,010.00 | 1,027,490 |
| 2026-04-28 | 8,470.00 | 8,620.00 | 8,150.00 | 8,210.00 | 8,210.00 | 1,283,171 |
| 2026-04-27 | 8,800.00 | 8,800.00 | 8,340.00 | 8,420.00 | 8,420.00 | 1,893,059 |
| 2026-04-24 | 9,270.00 | 9,390.00 | 8,720.00 | 8,810.00 | 8,810.00 | 2,554,104 |
| 2026-04-23 | 9,180.00 | 9,520.00 | 8,860.00 | 9,520.00 | 9,520.00 | 1,191,285 |
| 2026-04-22 | 9,100.00 | 9,220.00 | 8,600.00 | 9,180.00 | 9,180.00 | 1,378,636 |
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.