Stock listing
TWSE:3437 Advanced Optoelectronic Technology, Inc. (榮創) 股價
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Share price · TWSE:3437
$18.40 TWD -1.00 (-5.2%)
Close on Oct 30, 2026
- Day range
- $18.20 – $19.05 TWDOct 30, 2026
- Volume
- 574,793 sharesOct 30, 2026
- Market cap
- $2.66B TWDAt the close on Oct 30, 2026 · price × 144.5M shares outstanding
- 52-week range
- $12.95 – $31.30 TWDLowest and highest trades, Oct 31, 2025 – Oct 30, 2026
- Traded on an average day
- $24.42M TWDMedian day 544,614 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:3437 · TWD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $18.40 | -1.00 | -5.2% | $19.00 | $19.05 | $18.20 | 574,793 | |
| $19.40 | -0.75 | -3.7% | $20.10 | $20.20 | $19.15 | 838,521 | |
| $20.15 | +1.40 | +7.5% | $18.90 | $20.60 | $18.90 | 2,004,890 | |
| $18.75 | -0.45 | -2.3% | $19.30 | $19.35 | $18.55 | 437,644 | |
| $19.20 | 0.00 | 0.0% | $19.20 | $19.20 | $19.20 | 0 | |
| $19.20 | -0.45 | -2.3% | $19.90 | $20.05 | $19.15 | 544,614 | |
| $19.65 | +0.10 | +0.5% | $19.65 | $19.90 | $19.65 | 243,287 | |
| $19.55 | -0.15 | -0.8% | $19.80 | $20.20 | $19.55 | 291,540 | |
| $19.70 | -0.20 | -1.0% | $19.55 | $19.90 | $19.15 | 419,722 | |
| $19.90 | +0.15 | +0.8% | $19.90 | $20.25 | $19.85 | 343,097 | |
| $19.75 | -0.60 | -2.9% | $20.10 | $20.15 | $19.60 | 460,660 | |
| $20.35 | +0.05 | +0.2% | $20.45 | $20.55 | $20.00 | 517,000 | |
| $20.30 | -0.60 | -2.9% | $20.55 | $20.80 | $20.05 | 595,054 | |
| $20.90 | -0.25 | -1.2% | $21.15 | $21.40 | $20.90 | 454,000 | |
| $21.15 | -0.15 | -0.7% | $21.20 | $21.65 | $21.10 | 429,022 | |
| $21.30 | -0.05 | -0.2% | $21.35 | $21.60 | $20.95 | 990,057 | |
| $21.35 | -0.55 | -2.5% | $21.95 | $22.00 | $21.20 | 1,290,003 | |
| $21.90 | -0.25 | -1.1% | $22.30 | $23.35 | $21.90 | 2,712,869 | |
| $22.15 | +0.10 | +0.5% | $22.15 | $22.45 | $22.00 | 1,245,200 | |
| $22.05 | -0.40 | -1.8% | $22.45 | $22.95 | $21.95 | 1,518,200 | |
| $22.45 | +0.05 | +0.2% | $22.20 | $23.00 | $22.20 | 2,192,020 | |
| $22.40 | +0.40 | +1.8% | $21.55 | $22.65 | $21.50 | 2,065,175 | |
| $22.00 | +0.40 | +1.9% | $21.10 | $22.70 | $21.10 | 2,565,576 | |
| $21.60 | 0.00 | 0.0% | $21.30 | $23.00 | $21.30 | 3,124,150 | |
| $21.60 | -0.70 | -3.1% | $22.30 | $22.40 | $21.50 | 2,886,488 | |
| $22.30 | -0.05 | -0.2% | $22.45 | $24.30 | $22.15 | 11,372,541 | |
| $22.35 | +2.00 | +9.8% | $20.95 | $22.35 | $20.40 | 9,806,540 | |
| $20.35 | +1.85 | +10.0% | $18.80 | $20.35 | $18.75 | 3,054,299 | |
| $18.50 | +1.00 | +5.7% | $17.50 | $18.70 | $17.50 | 1,118,000 | |
| $17.50 | -0.30 | -1.7% | $17.95 | $17.95 | $17.50 | 464,123 | |
| $17.80 | -0.35 | -1.9% | $17.90 | $18.15 | $17.75 | 623,002 | |
| $18.15 | -1.55 | -7.9% | $19.00 | $19.00 | $18.00 | 2,407,284 | |
| $19.70 | +1.05 | +5.6% | $18.50 | $20.20 | $18.40 | 2,287,207 | |
| $18.65 | +0.70 | +3.9% | $17.95 | $19.00 | $17.95 | 1,193,433 | |
| $17.95 | 0.00 | 0.0% | $18.10 | $18.25 | $17.80 | 255,268 | |
| $17.95 | -0.40 | -2.2% | $18.60 | $18.60 | $17.95 | 670,437 | |
| $18.35 | +0.75 | +4.3% | $17.80 | $18.70 | $17.70 | 782,273 | |
| $17.60 | -0.50 | -2.8% | $18.20 | $18.85 | $17.60 | 652,088 | |
| $18.10 | +0.05 | +0.3% | $18.00 | $18.25 | $17.90 | 244,200 | |
| $18.05 | -0.30 | -1.6% | $18.30 | $18.45 | $18.05 | 308,393 | |
| $18.35 | -0.05 | -0.3% | $18.45 | $18.50 | $18.10 | 329,000 | |
| $18.40 | 0.00 | 0.0% | $18.50 | $18.80 | $18.40 | 396,248 | |
| $18.40 | +0.05 | +0.3% | $18.35 | $18.80 | $18.25 | 576,135 | |
| $18.35 | +0.45 | +2.5% | $17.75 | $19.15 | $17.75 | 1,249,099 | |
| $17.90 | +0.10 | +0.6% | $17.55 | $17.90 | $17.05 | 471,000 | |
| $17.80 | +0.20 | +1.1% | $17.60 | $18.40 | $17.60 | 728,250 | |
| $17.60 | +0.40 | +2.3% | $17.25 | $17.95 | $17.15 | 530,000 | |
| $17.20 | +0.45 | +2.7% | $16.90 | $17.30 | $16.80 | 365,195 | |
| $16.75 | -0.25 | -1.5% | $16.70 | $17.20 | $16.65 | 273,050 | |
| $17.00 | -0.55 | -3.1% | $17.45 | $17.55 | $16.95 | 354,003 | |
| $17.55 | +0.05 | +0.3% | $17.50 | $17.70 | $17.45 | 255,001 | |
| $17.50 | -0.20 | -1.1% | $17.85 | $17.85 | $17.35 | 277,000 | |
| $17.70 | -0.20 | -1.1% | $18.05 | $18.05 | $17.70 | 248,124 | |
| $17.90 | +0.40 | +2.3% | $17.80 | $18.20 | $17.60 | 439,500 | |
| $17.50 | -0.60 | -3.3% | $18.10 | $18.10 | $17.30 | 354,087 | |
| $18.10 | +0.70 | +4.0% | $17.65 | $18.15 | $17.65 | 510,000 | |
| $17.40 | -0.40 | -2.2% | $17.80 | $17.95 | $17.40 | 242,200 | |
| $17.80 | 0.00 | 0.0% | $17.90 | $18.20 | $17.40 | 386,000 | |
| $17.80 | +0.35 | +2.0% | $17.90 | $18.10 | $17.65 | 458,452 | |
| $17.45 | +0.60 | +3.6% | $16.85 | $17.60 | $16.65 | 546,000 | |
| $16.85 | +0.10 | +0.6% | $16.55 | $17.10 | $16.40 | 484,002 | |
| $16.75 | +1.40 | +9.1% | $16.20 | $16.85 | $16.00 | 572,468 | |
| $15.35 | -0.55 | -3.5% | $15.55 | $16.15 | $15.30 | 644,075 |
- Ticker
- TWSE:3437
- Asset type
- Stock
- Sector
- Technology
- Industry
- Electronics & hardware
- Exchange
- TWSE
- Currency
- TWD
What changed lately
Latest news release · Jun 10, 2026
Table: Advanced Optoelectronic May Rev NT$130.0M Vs NT$120.2M
Latest news
Table: Advanced Optoelectronic May Rev NT$130.0M Vs NT$120.2M
Jun 10, 2026
Closed $20.75 (-5.7%) on Jun 10, 2026
Table: Advanced Optoelectronic Apr Rev NT$115.8M Vs NT$148.8M
May 8, 2026
Closed $25.85 (-2.8%) on May 8, 2026
Table: Advanced Optoelectronic Mar Rev NT$121.2M Vs NT$154.9M
Apr 10, 2026
Closed $22.05 (-3.5%) on Apr 10, 2026
Advanced Optoelectronics: Company Information Systems Have Been Targeted In Cyber Attack
Mar 3, 2026
Closed $14.30 (-6.5%) on Mar 4, 2026
Advanced Optoelectronic Technology, Inc. on 6ix
- Sector
- Technology
- Industry
- Electronics & hardware
- News releases
- 4 in the last 12 months · 4 in all · newest Jun 10, 2026 · oldest 2026
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