Stock listing
TWSE:3530 Silicon Optronics, Inc. (晶相光) 股價
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Share price · TWSE:3530
$54.10 TWD -1.70 (-3.0%)
Close on Oct 30, 2026
- Day range
- $53.70 – $55.80 TWDOct 30, 2026
- Volume
- 136,379 sharesOct 30, 2026
- Market cap
- $4.19B TWDAt the close on Oct 30, 2026 · price × 77.48M shares outstanding
- 52-week range
- $49.75 – $85.50 TWDLowest and highest trades, Oct 31, 2025 – Oct 30, 2026
- Traded on an average day
- $7.35M TWDMedian day 96,000 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:3530 · TWD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $54.10 | -1.70 | -3.0% | $55.80 | $55.80 | $53.70 | 136,379 | |
| $55.80 | -0.90 | -1.6% | $56.50 | $56.70 | $55.80 | 33,618 | |
| $56.70 | +1.20 | +2.2% | $56.90 | $57.10 | $56.10 | 73,354 | |
| $55.50 | -0.10 | -0.2% | $55.80 | $55.90 | $55.00 | 85,256 | |
| $55.60 | 0.00 | 0.0% | $55.60 | $55.60 | $55.60 | 0 | |
| $55.60 | -1.50 | -2.6% | $56.90 | $57.10 | $55.60 | 61,344 | |
| $57.10 | +0.60 | +1.1% | $56.70 | $57.70 | $56.70 | 58,537 | |
| $56.50 | 0.00 | 0.0% | $55.90 | $57.20 | $55.60 | 59,363 | |
| $56.50 | -0.90 | -1.6% | $57.00 | $57.00 | $55.80 | 61,633 | |
| $57.40 | +0.60 | +1.1% | $57.90 | $58.40 | $57.40 | 72,046 | |
| $56.80 | -1.10 | -1.9% | $57.50 | $57.50 | $56.60 | 69,000 | |
| $57.90 | +0.30 | +0.5% | $58.00 | $58.20 | $57.80 | 68,066 | |
| $57.60 | -0.50 | -0.9% | $59.80 | $59.80 | $56.70 | 83,002 | |
| $58.10 | +0.50 | +0.9% | $57.70 | $58.70 | $57.60 | 96,000 | |
| $57.60 | -1.00 | -1.7% | $58.40 | $58.40 | $57.60 | 107,116 | |
| $58.60 | -1.10 | -1.8% | $59.70 | $59.90 | $58.60 | 120,060 | |
| $59.70 | +0.80 | +1.4% | $58.60 | $60.00 | $58.50 | 229,001 | |
| $58.90 | -0.60 | -1.0% | $59.40 | $59.60 | $58.50 | 239,020 | |
| $59.50 | +0.50 | +0.8% | $59.10 | $59.50 | $58.40 | 107,000 | |
| $59.00 | -0.20 | -0.3% | $59.70 | $59.90 | $58.90 | 84,050 | |
| $59.20 | +0.80 | +1.4% | $58.80 | $59.40 | $58.80 | 113,050 | |
| $58.40 | +0.10 | +0.2% | $58.50 | $59.50 | $58.40 | 39,105 | |
| $58.30 | -0.70 | -1.2% | $59.00 | $59.00 | $58.20 | 65,020 | |
| $59.00 | +0.70 | +1.2% | $59.20 | $59.20 | $58.20 | 60,012 | |
| $58.30 | -0.90 | -1.5% | $60.00 | $60.00 | $58.00 | 211,030 | |
| $59.20 | +1.00 | +1.7% | $58.90 | $60.50 | $58.40 | 130,000 | |
| $58.20 | +1.10 | +1.9% | $57.80 | $58.50 | $57.20 | 113,000 | |
| $57.10 | -0.40 | -0.7% | $57.80 | $58.00 | $57.10 | 92,000 | |
| $57.50 | +1.90 | +3.4% | $55.60 | $57.50 | $55.60 | 71,802 | |
| $55.60 | -0.90 | -1.6% | $56.30 | $56.70 | $55.50 | 46,000 | |
| $56.50 | 0.00 | 0.0% | $56.50 | $56.80 | $55.40 | 83,001 | |
| $56.50 | -0.10 | -0.2% | $57.80 | $57.80 | $55.10 | 138,000 | |
| $56.60 | -0.10 | -0.2% | $57.70 | $57.70 | $56.20 | 79,003 | |
| $56.70 | -0.10 | -0.2% | $57.00 | $57.10 | $56.60 | 69,000 | |
| $56.80 | -0.80 | -1.4% | $59.40 | $59.40 | $56.50 | 98,055 | |
| $57.60 | -0.70 | -1.2% | $60.00 | $60.10 | $57.60 | 105,020 | |
| $58.30 | +0.50 | +0.9% | $58.10 | $58.50 | $57.50 | 93,001 | |
| $57.80 | -2.10 | -3.5% | $60.50 | $60.90 | $57.80 | 146,000 | |
| $59.90 | +0.90 | +1.5% | $59.00 | $61.00 | $59.00 | 122,000 | |
| $59.00 | +0.10 | +0.2% | $58.50 | $60.00 | $58.50 | 98,000 | |
| $58.90 | -0.90 | -1.5% | $60.00 | $60.00 | $58.50 | 187,072 | |
| $59.80 | -1.70 | -2.8% | $61.20 | $61.20 | $59.70 | 213,080 | |
| $61.50 | +0.20 | +0.3% | $61.10 | $62.10 | $60.80 | 239,015 | |
| $61.30 | +1.90 | +3.2% | $61.20 | $63.80 | $60.80 | 900,276 | |
| $59.40 | +3.20 | +5.7% | $56.50 | $60.30 | $55.90 | 356,050 | |
| $56.20 | +0.60 | +1.1% | $55.30 | $56.20 | $55.30 | 63,000 | |
| $55.60 | +0.50 | +0.9% | $55.50 | $55.60 | $55.00 | 45,000 | |
| $55.10 | 0.00 | 0.0% | $56.10 | $56.20 | $54.90 | 47,000 | |
| $55.10 | 0.00 | 0.0% | $55.10 | $56.00 | $54.30 | 67,000 | |
| $55.10 | -1.20 | -2.1% | $56.40 | $56.50 | $55.10 | 85,086 | |
| $56.30 | +0.10 | +0.2% | $57.50 | $58.00 | $56.30 | 95,000 | |
| $56.20 | -0.50 | -0.9% | $56.80 | $57.00 | $56.20 | 91,023 | |
| $56.70 | +0.10 | +0.2% | $57.00 | $57.80 | $56.70 | 132,281 | |
| $56.60 | +1.10 | +2.0% | $56.30 | $57.40 | $56.20 | 115,000 | |
| $55.50 | 0.00 | 0.0% | $55.50 | $56.20 | $55.00 | 91,000 | |
| $55.50 | +1.50 | +2.8% | $55.30 | $55.70 | $54.80 | 96,000 | |
| $54.00 | +0.10 | +0.2% | $54.20 | $55.10 | $53.80 | 195,000 | |
| $53.90 | -1.60 | -2.9% | $55.20 | $55.20 | $51.80 | 496,097 | |
| $55.50 | +1.10 | +2.0% | $55.10 | $56.30 | $55.10 | 106,001 | |
| $54.40 | +0.40 | +0.7% | $54.10 | $54.80 | $53.20 | 127,010 | |
| $54.00 | +0.70 | +1.3% | $53.00 | $54.90 | $53.00 | 131,000 | |
| $53.30 | +3.20 | +6.4% | $52.00 | $54.90 | $52.00 | 147,215 | |
| $50.10 | -1.60 | -3.1% | $50.00 | $52.00 | $49.75 | 212,000 |
- Ticker
- TWSE:3530
- Asset type
- Stock
- Sector
- Technology
- Industry
- Semiconductors
- Exchange
- TWSE
- Currency
- TWD
What changed lately
Latest deck · August 2026
H1 2026 Earnings Presentation
Earnings · 7 slides
Latest news
Decks
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Conference · 8 slides · December 2024
H1 2024 Earnings Presentation
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Silicon Optronics, Inc. on 6ix
- Sector
- Technology
- Industry
- Semiconductors
- News releases
- 9 in all · newest Aug 3, 2022 · oldest 2022
- Decks
- 11 decks · latest August 2026
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