Stock listing
TWSE:3504 Young Optics Inc. (揚明光) 股價
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Share price · TWSE:3504
$62.80 TWD -4.20 (-6.3%)
Close on Oct 30, 2026
- Day range
- $62.70 – $65.10 TWDOct 30, 2026
- Volume
- 945,919 sharesOct 30, 2026
- Market cap
- $7.16B TWDAt the close on Oct 30, 2026 · price × 114.1M shares outstanding
- 52-week range
- $46.90 – $97.80 TWDLowest and highest trades, Oct 31, 2025 – Oct 30, 2026
- Traded on an average day
- $231.5M TWDMedian day 1.87M shares · 1 day with no trades · last 3 months, Jul 30, 2026 – Oct 30, 2026
Daily closes
Last 3 months, Jul 30, 2026 – Oct 30, 2026 · TWSE:3504 · TWD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $62.80 | -4.20 | -6.3% | $65.10 | $65.10 | $62.70 | 945,919 | |
| $67.00 | -3.90 | -5.5% | $71.10 | $71.10 | $66.30 | 1,393,676 | |
| $70.90 | +4.20 | +6.3% | $68.00 | $71.50 | $67.60 | 1,438,288 | |
| $66.70 | -1.90 | -2.8% | $68.60 | $70.00 | $65.80 | 1,050,979 | |
| $68.60 | 0.00 | 0.0% | $68.60 | $68.60 | $68.60 | 0 | |
| $68.60 | -5.30 | -7.2% | $74.20 | $74.50 | $68.60 | 2,157,616 | |
| $73.90 | -2.30 | -3.0% | $78.00 | $80.80 | $73.50 | 2,805,082 | |
| $76.20 | -0.80 | -1.0% | $76.70 | $82.00 | $76.10 | 2,568,219 | |
| $77.00 | -2.00 | -2.5% | $77.40 | $80.10 | $75.10 | 1,345,992 | |
| $79.00 | -1.30 | -1.6% | $81.00 | $85.00 | $79.00 | 3,727,511 | |
| $80.30 | -1.70 | -2.1% | $80.10 | $83.00 | $79.00 | 1,852,000 | |
| $82.00 | -1.70 | -2.0% | $84.60 | $85.60 | $81.50 | 2,211,001 | |
| $83.70 | +0.10 | +0.1% | $82.10 | $86.00 | $80.40 | 2,995,000 | |
| $83.60 | +1.00 | +1.2% | $82.60 | $86.30 | $80.30 | 2,711,102 | |
| $82.60 | -1.00 | -1.2% | $83.60 | $85.50 | $82.50 | 771,058 | |
| $83.60 | +1.10 | +1.3% | $82.10 | $85.30 | $82.10 | 1,042,197 | |
| $82.50 | -2.20 | -2.6% | $85.40 | $87.20 | $82.30 | 1,795,022 | |
| $84.70 | +4.60 | +5.7% | $81.20 | $85.30 | $81.20 | 2,590,461 | |
| $80.10 | -0.10 | -0.1% | $80.80 | $81.20 | $79.70 | 842,012 | |
| $80.20 | +1.10 | +1.4% | $79.20 | $81.80 | $79.20 | 1,330,050 | |
| $79.10 | -0.40 | -0.5% | $79.80 | $80.50 | $79.00 | 680,000 | |
| $79.50 | +1.00 | +1.3% | $78.40 | $80.00 | $77.70 | 619,050 | |
| $78.50 | +0.50 | +0.6% | $78.50 | $79.90 | $78.20 | 1,066,017 | |
| $78.00 | 0.00 | 0.0% | $78.30 | $80.70 | $77.80 | 1,691,030 | |
| $78.00 | -0.40 | -0.5% | $79.30 | $79.90 | $77.10 | 1,293,110 | |
| $78.40 | -2.10 | -2.6% | $81.50 | $81.60 | $78.40 | 986,271 | |
| $80.50 | +1.80 | +2.3% | $79.70 | $81.30 | $79.20 | 1,044,614 | |
| $78.70 | -1.90 | -2.4% | $80.70 | $81.20 | $78.60 | 1,179,303 | |
| $80.60 | +3.60 | +4.7% | $78.50 | $82.00 | $78.30 | 1,869,100 | |
| $77.00 | -1.00 | -1.3% | $78.10 | $79.90 | $77.00 | 1,408,168 | |
| $78.00 | -2.70 | -3.3% | $79.50 | $82.00 | $77.30 | 1,326,246 | |
| $80.70 | -3.20 | -3.8% | $81.30 | $85.60 | $80.60 | 2,331,341 | |
| $83.90 | -2.10 | -2.4% | $85.60 | $86.20 | $83.50 | 1,455,655 | |
| $86.00 | +2.80 | +3.4% | $83.70 | $87.50 | $83.10 | 2,587,210 | |
| $83.20 | -1.30 | -1.5% | $84.50 | $86.00 | $82.60 | 1,717,050 | |
| $84.50 | -5.20 | -5.8% | $89.70 | $89.80 | $83.40 | 3,211,766 | |
| $89.70 | +1.90 | +2.2% | $88.40 | $90.30 | $85.50 | 3,298,692 | |
| $87.80 | -6.50 | -6.9% | $94.30 | $95.60 | $87.10 | 6,800,823 | |
| $94.30 | +7.10 | +8.1% | $86.50 | $95.30 | $86.30 | 9,519,907 | |
| $87.20 | -3.10 | -3.4% | $90.30 | $92.30 | $86.80 | 4,289,154 | |
| $90.30 | +0.80 | +0.9% | $87.70 | $93.30 | $86.30 | 6,697,211 | |
| $89.50 | -4.60 | -4.9% | $92.50 | $94.00 | $88.30 | 12,064,489 | |
| $94.10 | +8.50 | +9.9% | $89.00 | $94.10 | $87.30 | 10,642,311 | |
| $85.60 | +4.90 | +6.1% | $81.00 | $87.00 | $81.00 | 6,991,371 | |
| $80.70 | +2.70 | +3.5% | $77.50 | $81.70 | $77.40 | 1,733,032 | |
| $78.00 | -1.70 | -2.1% | $79.90 | $83.50 | $78.00 | 2,654,100 | |
| $79.70 | +1.60 | +2.0% | $78.40 | $80.80 | $76.90 | 2,161,440 | |
| $78.10 | -0.30 | -0.4% | $80.00 | $81.10 | $78.10 | 2,444,003 | |
| $78.40 | +0.50 | +0.6% | $76.00 | $81.50 | $75.40 | 1,936,082 | |
| $77.90 | -1.10 | -1.4% | $80.00 | $82.50 | $77.60 | 3,786,070 | |
| $79.00 | +4.90 | +6.6% | $74.20 | $80.50 | $74.20 | 2,899,063 | |
| $74.10 | -1.90 | -2.5% | $76.80 | $78.50 | $74.00 | 1,219,108 | |
| $76.00 | -0.10 | -0.1% | $76.60 | $77.70 | $75.20 | 961,050 | |
| $76.10 | +2.50 | +3.4% | $73.60 | $78.00 | $73.60 | 1,685,050 | |
| $73.60 | -0.30 | -0.4% | $73.50 | $74.60 | $73.00 | 468,113 | |
| $73.90 | +0.30 | +0.4% | $74.00 | $75.70 | $73.30 | 816,018 | |
| $73.60 | -3.50 | -4.5% | $75.60 | $80.80 | $73.60 | 2,469,000 | |
| $77.10 | +0.60 | +0.8% | $76.00 | $78.40 | $73.20 | 1,758,523 | |
| $76.50 | -1.70 | -2.2% | $79.10 | $80.90 | $76.10 | 4,060,812 | |
| $78.20 | +2.90 | +3.9% | $76.30 | $80.30 | $73.60 | 9,034,110 | |
| $75.30 | +6.80 | +9.9% | $69.00 | $75.30 | $68.40 | 6,059,041 | |
| $68.50 | +6.20 | +10.0% | $66.80 | $68.50 | $65.40 | 2,141,208 | |
| $62.30 | -6.30 | -9.2% | $70.70 | $75.40 | $62.10 | 10,746,237 |
- Ticker
- TWSE:3504
- Asset type
- Stock
- Sector
- Technology
- Industry
- Electronics & hardware
- Exchange
- TWSE
- Currency
- TWD
What changed lately
Latest deck · Feb 6, 2026
H2 2025 Earnings Presentation
Earnings · 7 slides
Latest news
Decks
H2 2025 Earnings Presentation
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H2 2025 Earnings Presentation
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H1 2025 Earnings Presentation
Earnings · 7 slides · Jul 25, 2025
1H 2025 Earnings Presentation
Earnings · 7 slides · Jul 25, 2025
Young Optics Inc. on 6ix
- Sector
- Technology
- Industry
- Electronics & hardware
- News releases
- 10 in all · newest Aug 27, 2025 · oldest 2017
- Decks
- 6 decks · latest Feb 6, 2026
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