Stock listing
TWSE:3380 Alpha Networks Inc. (明泰) 股價
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Share price · TWSE:3380
$30.70 TWD -1.35 (-4.2%)
Close on Oct 30, 2026
- Day range
- $29.95 – $31.70 TWDOct 30, 2026
- Volume
- 2.71M sharesOct 30, 2026
- Market cap
- $16.63B TWDAt the close on Oct 30, 2026 · price × 541.7M shares outstanding
- 52-week range
- $25.55 – $43.95 TWDLowest and highest trades, Oct 31, 2025 – Oct 30, 2026
- Traded on an average day
- $78.91M TWDMedian day 1.83M 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:3380 · TWD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $30.70 | -1.35 | -4.2% | $31.70 | $31.70 | $29.95 | 2,713,779 | |
| $32.05 | -0.20 | -0.6% | $32.25 | $32.75 | $32.00 | 2,095,466 | |
| $32.25 | +0.10 | +0.3% | $32.80 | $33.00 | $32.20 | 1,389,580 | |
| $32.15 | -0.25 | -0.8% | $33.00 | $33.20 | $31.75 | 3,094,352 | |
| $32.40 | 0.00 | 0.0% | $32.40 | $32.40 | $32.40 | 0 | |
| $32.40 | -0.25 | -0.8% | $33.00 | $33.50 | $32.35 | 3,376,422 | |
| $32.65 | +0.30 | +0.9% | $32.90 | $33.40 | $32.30 | 3,205,022 | |
| $32.35 | +0.30 | +0.9% | $31.85 | $32.90 | $31.85 | 2,461,061 | |
| $32.05 | -0.10 | -0.3% | $31.70 | $32.20 | $31.35 | 1,674,690 | |
| $32.15 | +0.75 | +2.4% | $31.60 | $32.65 | $31.60 | 3,407,338 | |
| $31.40 | -0.25 | -0.8% | $31.45 | $31.65 | $31.10 | 1,601,032 | |
| $31.65 | +0.35 | +1.1% | $31.50 | $31.80 | $31.25 | 1,634,229 | |
| $31.30 | +0.65 | +2.1% | $30.95 | $32.20 | $30.70 | 4,021,353 | |
| $30.65 | +0.35 | +1.2% | $30.10 | $30.85 | $30.10 | 1,024,000 | |
| $30.30 | -0.60 | -1.9% | $30.50 | $30.80 | $30.25 | 1,560,263 | |
| $30.90 | -0.15 | -0.5% | $31.30 | $31.40 | $30.65 | 1,603,800 | |
| $31.05 | -0.25 | -0.8% | $31.60 | $31.75 | $31.00 | 1,665,807 | |
| $31.30 | -0.65 | -2.0% | $31.75 | $31.90 | $31.20 | 2,496,273 | |
| $31.95 | +0.65 | +2.1% | $31.35 | $32.20 | $31.15 | 2,044,082 | |
| $31.30 | -0.85 | -2.6% | $32.00 | $32.00 | $31.25 | 2,546,550 | |
| $32.15 | +0.55 | +1.7% | $32.70 | $33.10 | $32.05 | 5,466,332 | |
| $31.60 | 0.00 | 0.0% | $31.80 | $32.30 | $31.45 | 3,856,150 | |
| $31.60 | +0.60 | +1.9% | $31.00 | $31.65 | $30.90 | 1,556,091 | |
| $31.00 | -1.95 | -5.9% | $33.00 | $33.00 | $31.00 | 5,498,060 | |
| $32.95 | -0.20 | -0.6% | $33.55 | $33.70 | $31.90 | 13,154,176 | |
| $33.15 | +3.00 | +10.0% | $30.40 | $33.15 | $30.25 | 10,668,622 | |
| $30.15 | -0.20 | -0.7% | $30.70 | $30.70 | $30.00 | 1,515,030 | |
| $30.35 | +0.15 | +0.5% | $30.50 | $30.70 | $30.00 | 1,583,220 | |
| $30.20 | +0.65 | +2.2% | $29.50 | $30.35 | $29.50 | 1,391,090 | |
| $29.55 | -0.40 | -1.3% | $29.95 | $30.00 | $29.50 | 1,108,000 | |
| $29.95 | -0.80 | -2.6% | $30.30 | $30.65 | $29.70 | 2,551,224 | |
| $30.75 | +0.10 | +0.3% | $30.25 | $31.15 | $30.25 | 2,225,182 | |
| $30.65 | +0.25 | +0.8% | $30.10 | $31.20 | $30.10 | 2,848,170 | |
| $30.40 | +0.50 | +1.7% | $30.10 | $31.00 | $30.10 | 2,997,200 | |
| $29.90 | +0.05 | +0.2% | $30.20 | $30.55 | $29.75 | 3,047,111 | |
| $29.85 | -0.15 | -0.5% | $31.05 | $31.20 | $29.70 | 3,615,048 | |
| $30.00 | +1.00 | +3.4% | $29.40 | $30.10 | $28.90 | 2,940,035 | |
| $29.00 | -1.05 | -3.5% | $30.00 | $30.45 | $29.00 | 7,212,251 | |
| $30.05 | +1.70 | +6.0% | $28.85 | $30.55 | $28.70 | 8,348,565 | |
| $28.35 | -0.15 | -0.5% | $28.50 | $28.85 | $28.30 | 1,826,252 | |
| $28.50 | +0.35 | +1.2% | $28.15 | $28.50 | $27.80 | 6,674,030 | |
| $28.15 | +0.30 | +1.1% | $28.05 | $28.55 | $28.00 | 984,000 | |
| $27.85 | +0.10 | +0.4% | $27.95 | $28.80 | $27.85 | 1,964,035 | |
| $27.75 | +0.50 | +1.8% | $27.30 | $27.90 | $27.30 | 752,717 | |
| $27.25 | +0.10 | +0.4% | $27.40 | $27.40 | $26.85 | 655,030 | |
| $27.15 | -0.40 | -1.5% | $27.55 | $27.80 | $27.10 | 746,035 | |
| $27.55 | +0.25 | +0.9% | $27.30 | $27.75 | $27.10 | 639,382 | |
| $27.30 | +0.15 | +0.6% | $27.35 | $27.65 | $27.00 | 1,009,111 | |
| $27.15 | +0.25 | +0.9% | $26.60 | $27.35 | $26.30 | 1,127,063 | |
| $26.90 | -1.10 | -3.9% | $27.90 | $28.05 | $26.80 | 1,855,181 | |
| $28.00 | +0.20 | +0.7% | $27.85 | $28.10 | $27.60 | 845,051 | |
| $27.80 | -0.50 | -1.8% | $28.30 | $28.30 | $27.65 | 1,724,000 | |
| $28.30 | -0.10 | -0.4% | $28.90 | $29.00 | $28.30 | 1,156,602 | |
| $28.40 | +0.15 | +0.5% | $28.45 | $28.90 | $28.25 | 1,381,200 | |
| $28.25 | -0.25 | -0.9% | $28.65 | $28.65 | $27.75 | 1,079,020 | |
| $28.50 | +0.55 | +2.0% | $28.25 | $28.90 | $28.25 | 1,143,100 | |
| $27.95 | -0.60 | -2.1% | $28.70 | $28.85 | $27.90 | 1,420,500 | |
| $28.55 | -0.35 | -1.2% | $28.80 | $28.90 | $27.80 | 1,573,265 | |
| $28.90 | -0.35 | -1.2% | $29.45 | $30.00 | $28.80 | 2,175,334 | |
| $29.25 | +0.20 | +0.7% | $28.80 | $29.35 | $28.55 | 1,236,505 | |
| $29.05 | +1.60 | +5.8% | $27.45 | $29.80 | $27.05 | 2,152,839 | |
| $27.45 | +1.55 | +6.0% | $27.85 | $27.95 | $27.05 | 1,176,890 | |
| $25.90 | -1.15 | -4.3% | $27.10 | $27.35 | $25.90 | 1,976,500 |
- Ticker
- TWSE:3380
- Asset type
- Stock
- Sector
- Technology
- Industry
- Networking & communications equipment
- Exchange
- TWSE
- Currency
- TWD
What changed lately
Latest news
Alpha Launches B5G/Pre-6G Massive MIMO Base Station Development Collaborating with Industry and Research Partners to Strengthen Taiwan’s Independent Capabilities in Advanced Communications Equipment
Sep 3, 2026
Closed $29.00 (-3.5%) on Sep 3, 2026
Alpha Hsinchu Factory Launches Solar PV System: Generating 800,000 kWh of Green Electricity and Cutting 370 Tons of Carbon Annually
Sep 1, 2026
Closed $30.05 (+6.0%) on Sep 2, 2026
2026.6 Unaudited Consolidated Sales Report
Jul 2, 2026
Closed $36.00 (+5.7%) on Jul 3, 2026
2026.5 Unaudited Consolidated Sales Report
Jun 2, 2026
Closed $40.55 (+0.9%) on Jun 3, 2026
Alpha Unveils Next-Generation AI Data Center Solutions at COMPUTEX 2026 Integrating High-Speed Networking and Liquid Cooling Technologies for Greater Energy Efficiency
May 21, 2026
Closed $32.70 (+1.4%) on May 21, 2026
2026.4 Unaudited Consolidated Sales Report
May 5, 2026
Closed $31.75 (-8.6%) on May 6, 2026
First Quarter 2026 Results
May 3, 2026
Closed $33.70 (+0.3%) on May 4, 2026
2026.3 Unaudited Consolidated Sales Report
Apr 2, 2026
Closed $37.35 (+5.1%) on Apr 7, 2026
2026.2 Unaudited Consolidated Sales Report
Mar 3, 2026
Closed $32.20 (-9.2%) on Mar 4, 2026
Fourth Quarter 2025 Results
Mar 3, 2026
Closed $35.45 (+3.2%) on Mar 3, 2026
Decks
Q4 2005 Earnings Presentation
Earnings · 26 slides · Jan 20, 2006
2004 IPO Investor Conference
Conference · 25 slides · Dec 14, 2004
Alpha Networks Inc. on 6ix
- Sector
- Technology
- News releases
- 15 in the last 12 months · 28 in all · newest Sep 3, 2026 · oldest 2025
- Decks
- 2 decks · latest Jan 20, 2006
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