Stock listing
TWSE:3406 GeniuS Electronic Optical Co., Ltd. (玉晶光) 股價
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Share price · TWSE:3406
$1,085.00 TWD -115.00 (-9.6%)
Close on Oct 30, 2026
- Day range
- $1,080.00 – $1,175.00 TWDOct 30, 2026
- Volume
- 6.19M sharesOct 30, 2026
- Market cap
- $122.3B TWDAt the close on Oct 30, 2026 · price × 112.7M shares outstanding
- 52-week range
- $386.00 – $1,330.00 TWDLowest and highest trades, Oct 31, 2025 – Oct 30, 2026
- Traded on an average day
- $5.46B TWDMedian day 5.13M 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:3406 · TWD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $1,085.00 | -115.00 | -9.6% | $1,145.00 | $1,175.00 | $1,080.00 | 6,187,005 | |
| $1,200.00 | -130.00 | -9.8% | $1,330.00 | $1,330.00 | $1,200.00 | 6,471,989 | |
| $1,330.00 | +120.00 | +9.9% | $1,250.00 | $1,330.00 | $1,240.00 | 5,454,036 | |
| $1,210.00 | +50.00 | +4.3% | $1,200.00 | $1,245.00 | $1,165.00 | 9,022,668 | |
| $1,160.00 | 0.00 | 0.0% | $1,160.00 | $1,160.00 | $1,160.00 | 0 | |
| $1,160.00 | +20.00 | +1.8% | $1,150.00 | $1,210.00 | $1,115.00 | 11,032,470 | |
| $1,140.00 | +100.00 | +9.6% | $1,095.00 | $1,140.00 | $1,085.00 | 2,680,496 | |
| $1,040.00 | -5.00 | -0.5% | $1,055.00 | $1,130.00 | $1,025.00 | 6,815,656 | |
| $1,045.00 | -40.00 | -3.7% | $1,060.00 | $1,085.00 | $1,005.00 | 5,407,410 | |
| $1,085.00 | -30.00 | -2.7% | $1,120.00 | $1,220.00 | $1,050.00 | 15,041,628 | |
| $1,115.00 | +50.00 | +4.7% | $1,025.00 | $1,165.00 | $1,010.00 | 12,714,277 | |
| $1,065.00 | -110.00 | -9.4% | $1,165.00 | $1,165.00 | $1,060.00 | 10,481,713 | |
| $1,175.00 | +105.00 | +9.8% | $1,050.00 | $1,175.00 | $1,040.00 | 13,515,113 | |
| $1,070.00 | +10.00 | +0.9% | $1,065.00 | $1,115.00 | $1,010.00 | 7,433,136 | |
| $1,060.00 | -25.00 | -2.3% | $1,070.00 | $1,105.00 | $1,060.00 | 3,002,958 | |
| $1,085.00 | +40.00 | +3.8% | $1,045.00 | $1,120.00 | $1,035.00 | 5,870,247 | |
| $1,045.00 | -10.00 | -0.9% | $1,085.00 | $1,095.00 | $1,020.00 | 7,899,202 | |
| $1,055.00 | +94.00 | +9.8% | $971.00 | $1,055.00 | $971.00 | 5,131,140 | |
| $961.00 | +11.00 | +1.2% | $941.00 | $974.00 | $929.00 | 4,681,926 | |
| $950.00 | +60.00 | +6.7% | $885.00 | $973.00 | $871.00 | 6,097,997 | |
| $890.00 | +8.00 | +0.9% | $890.00 | $921.00 | $878.00 | 3,544,653 | |
| $882.00 | -19.00 | -2.1% | $890.00 | $893.00 | $869.00 | 2,482,195 | |
| $901.00 | -4.00 | -0.4% | $901.00 | $911.00 | $885.00 | 2,831,357 | |
| $905.00 | -18.00 | -2.0% | $930.00 | $942.00 | $904.00 | 2,800,645 | |
| $923.00 | -29.00 | -3.0% | $962.00 | $973.00 | $920.00 | 5,966,311 | |
| $952.00 | -20.00 | -2.1% | $973.00 | $1,005.00 | $925.00 | 7,156,101 | |
| $972.00 | +7.00 | +0.7% | $996.00 | $999.00 | $955.00 | 7,857,723 | |
| $965.00 | -40.00 | -4.0% | $1,045.00 | $1,045.00 | $947.00 | 10,570,918 | |
| $1,005.00 | +90.00 | +9.8% | $950.00 | $1,005.00 | $941.00 | 4,006,519 | |
| $915.00 | -39.00 | -4.1% | $944.00 | $973.00 | $906.00 | 9,336,112 | |
| $954.00 | -106.00 | -10.0% | $1,015.00 | $1,020.00 | $954.00 | 4,677,606 | |
| $1,060.00 | -10.00 | -0.9% | $1,020.00 | $1,140.00 | $1,000.00 | 10,593,301 | |
| $1,070.00 | -40.00 | -3.6% | $1,120.00 | $1,125.00 | $1,040.00 | 9,448,989 | |
| $1,110.00 | +100.00 | +9.9% | $1,030.00 | $1,110.00 | $980.00 | 5,417,499 | |
| $1,010.00 | +23.00 | +2.3% | $987.00 | $1,050.00 | $970.00 | 1,875,365 | |
| $987.00 | -68.00 | -6.4% | $1,040.00 | $1,040.00 | $961.00 | 2,161,524 | |
| $1,055.00 | +64.00 | +6.5% | $1,020.00 | $1,070.00 | $962.00 | 2,526,800 | |
| $991.00 | -59.00 | -5.6% | $1,060.00 | $1,070.00 | $990.00 | 2,320,335 | |
| $1,050.00 | +45.00 | +4.5% | $970.00 | $1,070.00 | $970.00 | 2,339,723 | |
| $1,005.00 | 0.00 | 0.0% | $1,005.00 | $1,090.00 | $993.00 | 12,838,043 | |
| $1,005.00 | +88.00 | +9.6% | $916.00 | $1,005.00 | $915.00 | 10,888,661 | |
| $917.00 | +83.00 | +10.0% | $840.00 | $917.00 | $831.00 | 14,238,200 | |
| $834.00 | +75.00 | +9.9% | $793.00 | $834.00 | $792.00 | 8,348,494 | |
| $759.00 | +69.00 | +10.0% | $690.00 | $759.00 | $690.00 | 9,063,301 | |
| $690.00 | +33.00 | +5.0% | $650.00 | $692.00 | $638.00 | 2,332,391 | |
| $657.00 | +5.00 | +0.8% | $670.00 | $707.00 | $656.00 | 4,016,176 | |
| $652.00 | +2.00 | +0.3% | $653.00 | $660.00 | $628.00 | 2,045,396 | |
| $650.00 | -7.00 | -1.1% | $665.00 | $673.00 | $628.00 | 2,681,579 | |
| $657.00 | -28.00 | -4.1% | $655.00 | $705.00 | $651.00 | 4,860,472 | |
| $685.00 | +9.00 | +1.3% | $676.00 | $695.00 | $669.00 | 5,515,635 | |
| $676.00 | +61.00 | +9.9% | $630.00 | $676.00 | $625.00 | 6,143,895 | |
| $615.00 | -14.00 | -2.2% | $623.00 | $642.00 | $608.00 | 4,405,414 | |
| $629.00 | +51.00 | +8.8% | $585.00 | $635.00 | $572.00 | 6,056,025 | |
| $578.00 | +40.00 | +7.4% | $546.00 | $584.00 | $535.00 | 2,685,801 | |
| $538.00 | -8.00 | -1.5% | $546.00 | $547.00 | $533.00 | 918,962 | |
| $546.00 | 0.00 | 0.0% | $546.00 | $552.00 | $525.00 | 3,332,301 | |
| $546.00 | -1.00 | -0.2% | $551.00 | $584.00 | $542.00 | 2,772,443 | |
| $547.00 | +14.00 | +2.6% | $530.00 | $552.00 | $529.00 | 2,989,431 | |
| $533.00 | +31.00 | +6.2% | $512.00 | $538.00 | $508.00 | 2,533,613 | |
| $502.00 | +14.00 | +2.9% | $486.50 | $507.00 | $486.00 | 1,788,608 | |
| $488.00 | +7.00 | +1.5% | $471.00 | $494.50 | $466.00 | 1,200,143 | |
| $481.00 | +33.50 | +7.5% | $480.00 | $485.00 | $471.00 | 1,823,515 | |
| $447.50 | -19.00 | -4.1% | $459.50 | $474.00 | $442.00 | 1,958,853 |
- Ticker
- TWSE:3406
- Asset type
- Stock
- Sector
- Technology
- Industry
- Electronics & hardware
- Exchange
- TWSE
- Currency
- TWD
What changed lately
Latest news release · Jun 8, 2026
Table: Genius Electronic Optical May Rev NT$1.63B Vs NT$1.25B
Latest deck · Nov 19, 2025
Q3 2025 Earnings Presentation
Earnings · 9 slides
Latest news
Table: Genius Electronic Optical May Rev NT$1.63B Vs NT$1.25B
Jun 8, 2026
Closed $719.00 (+9.9%) on Jun 9, 2026
Table: Genius Electronic Optical Apr Rev NT$2.31B Vs NT$1.85B
May 8, 2026
Closed $506.00 (-1.4%) on May 8, 2026
Table: Genius Electronic Optical Mar Rev NT$2.16B Vs NT$1.89B
Apr 9, 2026
Closed $450.00 (+0.9%) on Apr 9, 2026
Genius Electronic Optical Says 2025 Net Profit T$3.70 Bln
Mar 12, 2026
Closed $420.50 (-0.5%) on Mar 12, 2026
Genius Electronic Optical Says Jan-Sept Net Profit T$2.53 Bln
Nov 12, 2025
Closed $415.00 (+0.1%) on Nov 12, 2025
Decks
Q3 2025 Earnings Presentation
Earnings · 9 slides · Nov 19, 2025
2025年法人說明會
Conference · 9 slides · Nov 19, 2025
GeniuS Electronic Optical Co., Ltd. on 6ix
- Sector
- Technology
- Industry
- Electronics & hardware
- News releases
- 5 in the last 12 months · 5 in all · newest Jun 8, 2026 · oldest 2025
- Decks
- 2 decks · latest Nov 19, 2025
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