Stock listing
TWSE:3019 Asia Optical Co., Inc. (亞光) 股價
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Share price · TWSE:3019
$123.50 TWD -0.50 (-0.4%)
Close on Nov 2, 2026
- Day range
- $121.50 – $125.00 TWDNov 2, 2026
- Volume
- 892,818 sharesNov 2, 2026
- Market cap
- $34.49B TWDAt the close on Nov 2, 2026 · price × 279.2M shares outstanding
- 52-week range
- $118.00 – $172.00 TWDLowest and highest trades, Nov 3, 2025 – Nov 2, 2026
- Traded on an average day
- $515.4M TWDMedian day 2.42M shares · 1 day with no trades · last 3 months, Aug 3, 2026 – Nov 2, 2026
Daily closes
Last 3 months, Aug 3, 2026 – Nov 2, 2026 · TWSE:3019 · TWD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $123.50 | -0.50 | -0.4% | $121.50 | $125.00 | $121.50 | 892,818 | |
| $124.00 | -4.00 | -3.1% | $124.50 | $125.50 | $122.00 | 2,190,252 | |
| $128.00 | -4.50 | -3.4% | $132.50 | $133.00 | $127.50 | 2,309,963 | |
| $132.50 | +1.50 | +1.1% | $132.50 | $134.00 | $131.00 | 1,019,058 | |
| $131.00 | +1.50 | +1.2% | $131.00 | $133.50 | $129.00 | 1,652,580 | |
| $129.50 | 0.00 | 0.0% | $129.50 | $129.50 | $129.50 | 0 | |
| $129.50 | -4.50 | -3.4% | $135.00 | $135.50 | $129.50 | 1,773,686 | |
| $134.00 | +2.00 | +1.5% | $135.00 | $136.50 | $134.00 | 2,643,014 | |
| $132.00 | +1.50 | +1.1% | $130.50 | $136.50 | $130.50 | 2,819,033 | |
| $130.50 | -4.00 | -3.0% | $132.50 | $132.50 | $128.50 | 2,379,310 | |
| $134.50 | +1.50 | +1.1% | $133.50 | $138.50 | $133.00 | 2,943,896 | |
| $133.00 | -3.50 | -2.6% | $133.50 | $135.50 | $132.50 | 2,603,428 | |
| $136.50 | -0.50 | -0.4% | $138.00 | $140.00 | $135.50 | 2,056,427 | |
| $137.00 | -2.00 | -1.4% | $138.00 | $139.00 | $135.00 | 2,200,566 | |
| $139.00 | +2.00 | +1.5% | $136.50 | $140.00 | $135.00 | 2,174,070 | |
| $137.00 | -1.00 | -0.7% | $138.50 | $139.00 | $137.00 | 1,581,575 | |
| $138.00 | -3.00 | -2.1% | $140.00 | $141.00 | $137.50 | 2,837,660 | |
| $141.00 | -0.50 | -0.4% | $143.00 | $143.50 | $139.50 | 2,568,975 | |
| $141.50 | +2.50 | +1.8% | $140.00 | $143.00 | $140.00 | 4,613,163 | |
| $139.00 | +2.00 | +1.5% | $137.00 | $139.00 | $136.00 | 2,031,401 | |
| $137.00 | +0.50 | +0.4% | $136.50 | $137.50 | $135.50 | 1,823,487 | |
| $136.50 | +1.00 | +0.7% | $136.00 | $137.00 | $136.00 | 1,280,082 | |
| $135.50 | +0.50 | +0.4% | $135.00 | $137.50 | $134.50 | 1,537,704 | |
| $135.00 | 0.00 | 0.0% | $138.50 | $138.50 | $134.00 | 6,204,684 | |
| $135.00 | 0.00 | 0.0% | $135.50 | $137.00 | $133.00 | 2,442,601 | |
| $135.00 | -1.00 | -0.7% | $138.00 | $138.00 | $135.00 | 1,840,511 | |
| $136.00 | -1.00 | -0.7% | $138.50 | $138.50 | $136.00 | 1,431,202 | |
| $137.00 | +0.50 | +0.4% | $138.50 | $139.00 | $136.50 | 2,219,339 | |
| $136.50 | -1.00 | -0.7% | $138.00 | $139.00 | $135.50 | 2,081,752 | |
| $137.50 | +5.50 | +4.2% | $132.50 | $139.00 | $132.50 | 5,990,381 | |
| $132.00 | -2.00 | -1.5% | $133.00 | $134.50 | $131.00 | 2,250,062 | |
| $134.00 | -3.50 | -2.5% | $136.50 | $138.00 | $132.00 | 3,220,368 | |
| $137.50 | -1.50 | -1.1% | $136.50 | $141.50 | $135.50 | 2,655,681 | |
| $139.00 | -3.50 | -2.5% | $141.50 | $141.50 | $139.00 | 2,147,335 | |
| $142.50 | +4.00 | +2.9% | $139.50 | $143.50 | $139.00 | 3,387,495 | |
| $138.50 | -3.50 | -2.5% | $141.50 | $143.50 | $138.50 | 3,661,164 | |
| $142.00 | -2.50 | -1.7% | $145.50 | $145.50 | $141.00 | 5,023,661 | |
| $144.50 | +1.50 | +1.0% | $146.00 | $147.00 | $140.50 | 7,791,003 | |
| $143.00 | -14.50 | -9.2% | $162.00 | $163.00 | $143.00 | 33,236,390 | |
| $157.50 | +14.00 | +9.8% | $143.00 | $157.50 | $141.50 | 24,168,834 | |
| $143.50 | +0.50 | +0.3% | $143.50 | $152.00 | $142.50 | 8,362,687 | |
| $143.00 | +4.50 | +3.2% | $136.50 | $145.00 | $136.50 | 5,783,469 | |
| $138.50 | +0.50 | +0.4% | $140.50 | $140.50 | $136.50 | 2,426,451 | |
| $138.00 | +2.00 | +1.5% | $137.00 | $143.00 | $137.00 | 6,035,786 | |
| $136.00 | +3.00 | +2.3% | $133.00 | $137.50 | $132.50 | 2,815,674 | |
| $133.00 | 0.00 | 0.0% | $133.00 | $135.00 | $129.00 | 2,571,301 | |
| $133.00 | -2.50 | -1.8% | $136.00 | $138.00 | $133.00 | 1,527,660 | |
| $135.50 | -0.50 | -0.4% | $136.50 | $137.00 | $133.50 | 1,531,143 | |
| $136.00 | -0.50 | -0.4% | $138.50 | $141.50 | $135.50 | 1,954,669 | |
| $136.50 | -1.00 | -0.7% | $133.50 | $139.00 | $133.00 | 2,331,626 | |
| $137.50 | -3.50 | -2.5% | $140.00 | $142.00 | $135.50 | 2,244,670 | |
| $141.00 | +4.00 | +2.9% | $137.50 | $144.00 | $137.50 | 5,096,473 | |
| $137.00 | -2.00 | -1.4% | $140.00 | $140.00 | $137.00 | 1,504,322 | |
| $139.00 | +1.50 | +1.1% | $138.50 | $140.50 | $138.50 | 2,413,272 | |
| $137.50 | -0.50 | -0.4% | $137.00 | $138.50 | $134.50 | 3,158,933 | |
| $138.00 | +3.50 | +2.6% | $135.00 | $141.00 | $132.50 | 4,417,025 | |
| $134.50 | +5.00 | +3.9% | $132.00 | $135.00 | $130.50 | 2,311,082 | |
| $129.50 | -2.00 | -1.5% | $131.50 | $133.00 | $128.50 | 2,185,391 | |
| $131.50 | -2.50 | -1.9% | $131.00 | $131.50 | $128.50 | 3,165,310 | |
| $134.00 | +3.00 | +2.3% | $134.00 | $136.00 | $134.00 | 2,798,543 | |
| $131.00 | -2.00 | -1.5% | $130.00 | $132.00 | $128.00 | 3,405,929 | |
| $133.00 | +5.00 | +3.9% | $127.00 | $134.50 | $127.00 | 2,490,522 |
- Ticker
- TWSE:3019
- Asset type
- Stock
- Exchange
- TWSE
- Currency
- TWD
What changed lately
Latest news release · Feb 24, 2026
Myrias Optics Announces $2.1 Million Seed 1 Financing to Accelerate Commercialization of Wafer-Level Metaoptics
Latest deck · Aug 18, 2026
Q2 2026 Earnings Presentation
Earnings · 11 slides
Latest news
Myrias Optics Announces $2.1 Million Seed 1 Financing to Accelerate Commercialization of Wafer-Level Metaoptics
Feb 24, 2026
Closed $150.50 (-0.7%) on Feb 25, 2026
Decks
Q2 2026 Earnings Presentation
Earnings · 11 slides · Aug 18, 2026
Q4 2025 Earnings Presentation
Earnings · 11 slides · Mar 11, 2026
Q4 2025 Earnings Presentation
Earnings · 11 slides · Mar 11, 2026
Q2 2025 Earnings Presentation
Earnings · 12 slides · Aug 6, 2025
Asia Optical Co., Inc. on 6ix
- News releases
- 1 in the last 12 months · 20 in all · newest Feb 24, 2026 · oldest 2021
- Decks
- 8 decks · latest Aug 18, 2026
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