Stock listing
KRX:158430 ATON, Inc. (아톤) 주가
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Share price · KRX:158430
₩5,270.00 KRW +220.00 (+4.4%)
Close on Oct 30, 2026
- Day range
- ₩4,985.00 – ₩5,450.00 KRWOct 30, 2026
- Volume
- 1.92M sharesOct 30, 2026
- Market cap
- ₩128.0B KRWAt the close on Oct 30, 2026 · price × 24.29M shares outstanding
- 52-week range
- ₩3,300.00 – ₩11,370.00 KRWLowest and highest trades, Oct 31, 2025 – Oct 30, 2026
- Traded on an average day
- ₩10.03B KRWMedian day 464,318 shares · last 3 months, Jul 30, 2026 – Oct 30, 2026

Daily closes
Last 3 months, Jul 30, 2026 – Oct 30, 2026 · KRX:158430 · KRW, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| ₩5,270.00 | +220.00 | +4.4% | ₩5,020.00 | ₩5,450.00 | ₩4,985.00 | 1,917,939 | |
| ₩5,050.00 | -480.00 | -8.7% | ₩5,440.00 | ₩5,470.00 | ₩4,995.00 | 768,230 | |
| ₩5,530.00 | +320.00 | +6.1% | ₩5,300.00 | ₩5,810.00 | ₩5,290.00 | 2,246,191 | |
| ₩5,210.00 | +255.00 | +5.1% | ₩4,995.00 | ₩5,210.00 | ₩4,980.00 | 748,729 | |
| ₩4,955.00 | -45.00 | -0.9% | ₩4,990.00 | ₩5,390.00 | ₩4,950.00 | 1,357,664 | |
| ₩5,000.00 | +45.00 | +0.9% | ₩4,910.00 | ₩5,370.00 | ₩4,860.00 | 1,676,487 | |
| ₩4,955.00 | -255.00 | -4.9% | ₩5,450.00 | ₩5,460.00 | ₩4,940.00 | 855,648 | |
| ₩5,210.00 | 0.00 | 0.0% | ₩5,280.00 | ₩5,340.00 | ₩5,120.00 | 374,779 | |
| ₩5,210.00 | -370.00 | -6.6% | ₩5,570.00 | ₩5,600.00 | ₩5,180.00 | 504,132 | |
| ₩5,580.00 | -10.00 | -0.2% | ₩5,280.00 | ₩5,590.00 | ₩5,220.00 | 522,778 | |
| ₩5,590.00 | +210.00 | +3.9% | ₩5,380.00 | ₩5,770.00 | ₩5,310.00 | 1,191,950 | |
| ₩5,380.00 | -510.00 | -8.7% | ₩5,520.00 | ₩5,680.00 | ₩5,260.00 | 1,113,508 | |
| ₩5,890.00 | -110.00 | -1.8% | ₩5,890.00 | ₩6,100.00 | ₩5,750.00 | 1,200,769 | |
| ₩6,000.00 | -210.00 | -3.4% | ₩5,950.00 | ₩6,560.00 | ₩5,840.00 | 4,082,526 | |
| ₩6,210.00 | -340.00 | -5.2% | ₩6,410.00 | ₩6,800.00 | ₩6,190.00 | 2,527,841 | |
| ₩6,550.00 | -440.00 | -6.3% | ₩6,700.00 | ₩6,740.00 | ₩6,160.00 | 3,963,280 | |
| ₩6,990.00 | +10.00 | +0.1% | ₩7,000.00 | ₩7,240.00 | ₩6,580.00 | 11,617,301 | |
| ₩6,980.00 | +1,480.00 | +26.9% | ₩6,170.00 | ₩7,150.00 | ₩5,920.00 | 19,585,199 | |
| ₩5,500.00 | +100.00 | +1.9% | ₩5,440.00 | ₩5,560.00 | ₩5,410.00 | 820,595 | |
| ₩5,400.00 | +80.00 | +1.5% | ₩5,300.00 | ₩5,420.00 | ₩5,200.00 | 452,603 | |
| ₩5,320.00 | -30.00 | -0.6% | ₩5,370.00 | ₩5,450.00 | ₩5,290.00 | 301,543 | |
| ₩5,350.00 | -270.00 | -4.8% | ₩5,750.00 | ₩5,750.00 | ₩5,260.00 | 872,120 | |
| ₩5,620.00 | +130.00 | +2.4% | ₩5,550.00 | ₩5,770.00 | ₩5,490.00 | 1,169,619 | |
| ₩5,490.00 | +110.00 | +2.0% | ₩5,500.00 | ₩5,920.00 | ₩5,420.00 | 5,267,798 | |
| ₩5,380.00 | -180.00 | -3.2% | ₩5,670.00 | ₩5,680.00 | ₩5,310.00 | 918,238 | |
| ₩5,560.00 | -90.00 | -1.6% | ₩5,630.00 | ₩5,910.00 | ₩5,540.00 | 2,255,748 | |
| ₩5,650.00 | -90.00 | -1.6% | ₩5,920.00 | ₩5,970.00 | ₩5,630.00 | 2,442,281 | |
| ₩5,740.00 | -280.00 | -4.7% | ₩5,960.00 | ₩6,000.00 | ₩5,680.00 | 2,163,576 | |
| ₩6,020.00 | -290.00 | -4.6% | ₩6,390.00 | ₩6,450.00 | ₩5,630.00 | 9,610,157 | |
| ₩6,310.00 | +1,450.00 | +29.8% | ₩5,050.00 | ₩6,310.00 | ₩4,910.00 | 11,780,400 | |
| ₩4,860.00 | +35.00 | +0.7% | ₩4,885.00 | ₩5,040.00 | ₩4,780.00 | 878,558 | |
| ₩4,825.00 | +195.00 | +4.2% | ₩4,640.00 | ₩5,100.00 | ₩4,610.00 | 1,008,420 | |
| ₩4,630.00 | -35.00 | -0.8% | ₩4,630.00 | ₩4,665.00 | ₩4,555.00 | 121,208 | |
| ₩4,665.00 | +105.00 | +2.3% | ₩4,580.00 | ₩4,735.00 | ₩4,565.00 | 152,527 | |
| ₩4,560.00 | -80.00 | -1.7% | ₩4,640.00 | ₩4,705.00 | ₩4,555.00 | 170,671 | |
| ₩4,640.00 | -210.00 | -4.3% | ₩4,820.00 | ₩4,820.00 | ₩4,625.00 | 231,039 | |
| ₩4,850.00 | +370.00 | +8.3% | ₩4,590.00 | ₩4,980.00 | ₩4,590.00 | 796,030 | |
| ₩4,480.00 | +5.00 | +0.1% | ₩4,515.00 | ₩4,535.00 | ₩4,390.00 | 104,291 | |
| ₩4,475.00 | -185.00 | -4.0% | ₩4,530.00 | ₩4,645.00 | ₩4,300.00 | 166,423 | |
| ₩4,660.00 | -10.00 | -0.2% | ₩4,685.00 | ₩4,735.00 | ₩4,570.00 | 111,924 | |
| ₩4,670.00 | -125.00 | -2.6% | ₩4,675.00 | ₩4,700.00 | ₩4,500.00 | 197,544 | |
| ₩4,795.00 | +185.00 | +4.0% | ₩4,700.00 | ₩4,940.00 | ₩4,645.00 | 476,032 | |
| ₩4,610.00 | 0.00 | 0.0% | ₩4,610.00 | ₩4,720.00 | ₩4,570.00 | 126,834 | |
| ₩4,610.00 | -55.00 | -1.2% | ₩4,655.00 | ₩4,655.00 | ₩4,505.00 | 104,039 | |
| ₩4,665.00 | +165.00 | +3.7% | ₩4,505.00 | ₩4,670.00 | ₩4,385.00 | 124,420 | |
| ₩4,500.00 | +110.00 | +2.5% | ₩4,475.00 | ₩4,720.00 | ₩4,265.00 | 258,438 | |
| ₩4,390.00 | -230.00 | -5.0% | ₩4,645.00 | ₩4,745.00 | ₩4,330.00 | 219,415 | |
| ₩4,620.00 | +215.00 | +4.9% | ₩4,490.00 | ₩4,800.00 | ₩4,490.00 | 250,430 | |
| ₩4,405.00 | -200.00 | -4.3% | ₩4,340.00 | ₩4,600.00 | ₩4,320.00 | 111,515 | |
| ₩4,605.00 | -220.00 | -4.6% | ₩4,910.00 | ₩4,910.00 | ₩4,520.00 | 204,166 | |
| ₩4,825.00 | +260.00 | +5.7% | ₩4,580.00 | ₩4,850.00 | ₩4,480.00 | 260,983 | |
| ₩4,565.00 | -35.00 | -0.8% | ₩4,670.00 | ₩4,700.00 | ₩4,505.00 | 165,060 | |
| ₩4,600.00 | +30.00 | +0.7% | ₩4,580.00 | ₩4,690.00 | ₩4,505.00 | 131,273 | |
| ₩4,570.00 | +50.00 | +1.1% | ₩4,550.00 | ₩4,640.00 | ₩4,440.00 | 145,390 | |
| ₩4,520.00 | +260.00 | +6.1% | ₩4,400.00 | ₩4,540.00 | ₩4,325.00 | 166,471 | |
| ₩4,260.00 | -80.00 | -1.8% | ₩4,370.00 | ₩4,380.00 | ₩4,190.00 | 107,403 | |
| ₩4,340.00 | -75.00 | -1.7% | ₩4,400.00 | ₩4,460.00 | ₩4,230.00 | 106,508 | |
| ₩4,415.00 | +115.00 | +2.7% | ₩4,395.00 | ₩4,500.00 | ₩4,335.00 | 165,807 | |
| ₩4,300.00 | +270.00 | +6.7% | ₩4,045.00 | ₩4,325.00 | ₩4,045.00 | 221,188 | |
| ₩4,030.00 | +150.00 | +3.9% | ₩3,855.00 | ₩4,140.00 | ₩3,675.00 | 196,026 | |
| ₩3,880.00 | +410.00 | +11.8% | ₩3,620.00 | ₩3,880.00 | ₩3,620.00 | 172,413 | |
| ₩3,470.00 | 0.00 | 0.0% | ₩3,350.00 | ₩3,655.00 | ₩3,350.00 | 191,966 |
- Ticker
- KRX:158430
- Asset type
- Stock
- Exchange
- KRX
- Currency
- KRW
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