Stock listing
TWSE:3661 Alchip Technologies Ltd. (世芯-KY) 股價
Home listing (TWSE) of Alchip Technologies Ltd.
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Share price · TWSE:3661
$3,425.00 TWD -255.00 (-6.9%)
Close on Oct 30, 2026
- Day range
- $3,400.00 – $3,565.00 TWDOct 30, 2026
- Volume
- 2.06M sharesOct 30, 2026
- Market cap
- $295.6B TWDAt the close on Oct 30, 2026 · price × 86.31M shares outstanding
- 52-week range
- $2,480.00 – $5,640.00 TWDLowest and highest trades, Oct 31, 2025 – Oct 30, 2026
- Traded on an average day
- $8.49B TWDMedian day 1.87M shares · 1 day with no trades · last 3 months, Jul 30, 2026 – Oct 30, 2026
Prices by listing
| Listing | Last | Change | Volume | Open | High | Low | Previous close | Price from |
|---|---|---|---|---|---|---|---|---|
| TWSE:3661 · Home | $3,425.00 TWD | -255.00 (-6.9%) | 2,061,867 | $3,500.00 | $3,565.00 | $3,400.00 | $3,680.00 | Close on Oct 30, 2026 |
Daily closes
Last 3 months, Jul 30, 2026 – Oct 30, 2026 · TWSE:3661 · TWD, adjusted for splits
| Day | Close | Change | % | Open | High | Low | Volume |
|---|---|---|---|---|---|---|---|
| $3,425.00 | -255.00 | -6.9% | $3,500.00 | $3,565.00 | $3,400.00 | 2,061,867 | |
| $3,680.00 | -120.00 | -3.2% | $3,775.00 | $3,815.00 | $3,640.00 | 1,674,418 | |
| $3,800.00 | +305.00 | +8.7% | $3,630.00 | $3,825.00 | $3,615.00 | 1,871,661 | |
| $3,495.00 | 0.00 | 0.0% | $3,610.00 | $3,630.00 | $3,455.00 | 1,220,036 | |
| $3,495.00 | 0.00 | 0.0% | $3,495.00 | $3,495.00 | $3,495.00 | 0 | |
| $3,495.00 | -215.00 | -5.8% | $3,755.00 | $3,780.00 | $3,485.00 | 1,517,390 | |
| $3,710.00 | +70.00 | +1.9% | $3,730.00 | $3,835.00 | $3,695.00 | 1,277,241 | |
| $3,640.00 | -75.00 | -2.0% | $3,710.00 | $3,750.00 | $3,625.00 | 1,172,944 | |
| $3,715.00 | +30.00 | +0.8% | $3,600.00 | $3,725.00 | $3,555.00 | 1,139,546 | |
| $3,685.00 | -20.00 | -0.5% | $3,755.00 | $3,755.00 | $3,600.00 | 1,717,320 | |
| $3,705.00 | -235.00 | -6.0% | $3,675.00 | $3,830.00 | $3,670.00 | 2,043,105 | |
| $3,940.00 | -115.00 | -2.8% | $4,035.00 | $4,140.00 | $3,925.00 | 2,485,817 | |
| $4,055.00 | -340.00 | -7.7% | $4,300.00 | $4,305.00 | $3,960.00 | 5,237,842 | |
| $4,395.00 | +50.00 | +1.2% | $4,400.00 | $4,490.00 | $4,200.00 | 3,264,059 | |
| $4,345.00 | +155.00 | +3.7% | $4,165.00 | $4,480.00 | $4,155.00 | 4,365,838 | |
| $4,190.00 | +10.00 | +0.2% | $4,200.00 | $4,295.00 | $4,135.00 | 3,223,803 | |
| $4,180.00 | +230.00 | +5.8% | $4,000.00 | $4,240.00 | $3,850.00 | 3,528,653 | |
| $3,950.00 | +140.00 | +3.7% | $3,875.00 | $4,000.00 | $3,870.00 | 2,778,475 | |
| $3,810.00 | +45.00 | +1.2% | $3,765.00 | $3,855.00 | $3,765.00 | 1,183,090 | |
| $3,765.00 | +25.00 | +0.7% | $3,770.00 | $3,820.00 | $3,735.00 | 853,954 | |
| $3,740.00 | +55.00 | +1.5% | $3,745.00 | $3,810.00 | $3,730.00 | 1,025,537 | |
| $3,685.00 | -85.00 | -2.3% | $3,750.00 | $3,795.00 | $3,675.00 | 1,049,644 | |
| $3,770.00 | +10.00 | +0.3% | $3,730.00 | $3,785.00 | $3,715.00 | 1,013,100 | |
| $3,760.00 | +45.00 | +1.2% | $3,790.00 | $3,845.00 | $3,715.00 | 1,615,796 | |
| $3,715.00 | +50.00 | +1.4% | $3,760.00 | $3,950.00 | $3,670.00 | 3,303,793 | |
| $3,665.00 | +125.00 | +3.5% | $3,700.00 | $3,700.00 | $3,580.00 | 1,601,740 | |
| $3,540.00 | +245.00 | +7.4% | $3,390.00 | $3,540.00 | $3,380.00 | 4,889,572 | |
| $3,295.00 | -50.00 | -1.5% | $3,365.00 | $3,430.00 | $3,260.00 | 2,894,855 | |
| $3,345.00 | -10.00 | -0.3% | $3,385.00 | $3,400.00 | $3,310.00 | 1,750,152 | |
| $3,355.00 | -235.00 | -6.5% | $3,535.00 | $3,590.00 | $3,335.00 | 2,246,619 | |
| $3,590.00 | -60.00 | -1.6% | $3,410.00 | $3,655.00 | $3,410.00 | 1,906,298 | |
| $3,650.00 | -405.00 | -10.0% | $3,870.00 | $3,870.00 | $3,650.00 | 4,843,755 | |
| $4,055.00 | +150.00 | +3.8% | $3,880.00 | $4,075.00 | $3,815.00 | 2,135,824 | |
| $3,905.00 | -125.00 | -3.1% | $3,985.00 | $3,990.00 | $3,850.00 | 2,920,437 | |
| $4,030.00 | -10.00 | -0.2% | $4,090.00 | $4,105.00 | $3,985.00 | 1,530,287 | |
| $4,040.00 | -180.00 | -4.3% | $4,175.00 | $4,180.00 | $4,000.00 | 2,975,291 | |
| $4,220.00 | +170.00 | +4.2% | $4,155.00 | $4,275.00 | $4,110.00 | 1,634,424 | |
| $4,050.00 | -150.00 | -3.6% | $4,210.00 | $4,260.00 | $4,010.00 | 1,741,142 | |
| $4,200.00 | -75.00 | -1.8% | $4,260.00 | $4,310.00 | $4,180.00 | 1,509,188 | |
| $4,275.00 | +200.00 | +4.9% | $4,235.00 | $4,350.00 | $4,170.00 | 2,226,173 | |
| $4,075.00 | +10.00 | +0.2% | $4,015.00 | $4,085.00 | $3,900.00 | 1,890,041 | |
| $4,065.00 | +195.00 | +5.0% | $3,910.00 | $4,105.00 | $3,855.00 | 1,867,024 | |
| $3,870.00 | -90.00 | -2.3% | $3,970.00 | $3,995.00 | $3,870.00 | 1,394,733 | |
| $3,960.00 | +95.00 | +2.5% | $3,855.00 | $4,045.00 | $3,830.00 | 2,220,335 | |
| $3,865.00 | +130.00 | +3.5% | $3,700.00 | $3,875.00 | $3,665.00 | 1,160,617 | |
| $3,735.00 | +35.00 | +0.9% | $3,730.00 | $3,795.00 | $3,680.00 | 1,067,522 | |
| $3,700.00 | -50.00 | -1.3% | $3,740.00 | $3,790.00 | $3,670.00 | 1,292,335 | |
| $3,750.00 | +120.00 | +3.3% | $3,690.00 | $3,815.00 | $3,655.00 | 1,804,976 | |
| $3,630.00 | -85.00 | -2.3% | $3,585.00 | $3,730.00 | $3,585.00 | 1,749,329 | |
| $3,715.00 | -345.00 | -8.5% | $4,105.00 | $4,135.00 | $3,680.00 | 3,484,938 | |
| $4,060.00 | -150.00 | -3.6% | $4,350.00 | $4,490.00 | $4,060.00 | 4,386,286 | |
| $4,210.00 | +20.00 | +0.5% | $4,225.00 | $4,530.00 | $4,180.00 | 3,280,920 | |
| $4,190.00 | +135.00 | +3.3% | $4,100.00 | $4,225.00 | $4,090.00 | 2,690,293 | |
| $4,055.00 | +100.00 | +2.5% | $3,960.00 | $4,100.00 | $3,950.00 | 1,915,227 | |
| $3,955.00 | +155.00 | +4.1% | $4,000.00 | $4,150.00 | $3,925.00 | 4,324,844 | |
| $3,800.00 | +85.00 | +2.3% | $3,850.00 | $3,955.00 | $3,665.00 | 3,023,162 | |
| $3,715.00 | +55.00 | +1.5% | $3,665.00 | $3,845.00 | $3,605.00 | 2,142,065 | |
| $3,660.00 | +50.00 | +1.4% | $3,620.00 | $3,720.00 | $3,580.00 | 1,686,663 | |
| $3,610.00 | +220.00 | +6.5% | $3,550.00 | $3,700.00 | $3,490.00 | 1,842,482 | |
| $3,390.00 | +140.00 | +4.3% | $3,265.00 | $3,410.00 | $3,200.00 | 1,513,123 | |
| $3,250.00 | +190.00 | +6.2% | $3,070.00 | $3,275.00 | $3,050.00 | 1,868,660 | |
| $3,060.00 | +275.00 | +9.9% | $3,060.00 | $3,060.00 | $2,945.00 | 3,135,225 | |
| $2,785.00 | -20.00 | -0.7% | $2,680.00 | $2,975.00 | $2,630.00 | 3,019,383 |
- Ticker
- TWSE:3661
- Asset type
- Stock
- Sector
- Technology
- Industry
- Semiconductors
- Exchange
- TWSE
- Currency
- TWD
What changed lately
Latest news release · Sep 14, 2026
Alchip Technologies Showcases Advanced ASIC Design and Packaging at AI Infra Summit 2026
Latest deck · Aug 14, 2026
Q2 2026 Earnings Presentation
Earnings · 10 slides
Latest news
Alchip Technologies Showcases Advanced ASIC Design and Packaging at AI Infra Summit 2026
Sep 14, 2026
Closed $3,355.00 (-6.5%) on Sep 15, 2026
Alchip Technologies Reports 2026 Second Quarter Financial Results
Aug 26, 2026
Closed $3,870.00 (-2.3%) on Aug 27, 2026
Alchip Successfully Completes US$510MM GDS Offering
Jun 25, 2026
Closed $3,870.00 (-8.5%) on Jun 26, 2026
Alchip Technologies Reports Improved First Quarter Financial Results
May 27, 2026
Closed $4,300.00 (-4.4%) on May 28, 2026
Alchip Appoints Freddy Engineer Chief Business Officer and North America General Manager
Apr 20, 2026
Closed $3,985.00 (+9.9%) on Apr 21, 2026
Alchip Technologies Reports Q4 and 2025 FY Financial Results
Mar 18, 2026
Closed $3,220.00 (-2.4%) on Mar 19, 2026
Alchip Reports ASIC-Leading 2nm Developments
Mar 12, 2026
Closed $3,190.00 (-3.8%) on Mar 13, 2026
AI Elevates Production Management’s Importance in the ASIC Value Chain
Feb 10, 2026
Closed $3,380.00 (+2.4%) on Feb 11, 2026
Alchip Technologies Reports 2025 Third Quarter Financial Results
Dec 2, 2025
Closed $3,190.00 (-6.7%) on Dec 3, 2025
Decks
Q2 2026 Earnings Presentation
Earnings · 10 slides · Aug 14, 2026
Q1 2026 Earnings Presentation
Earnings · 11 slides · May 8, 2026
Q1 2026 Earnings Presentation
Earnings · 11 slides · May 8, 2026
Q4 2025 Earnings Presentation
Earnings · 11 slides · Mar 6, 2026
Alchip Technologies Ltd. on 6ix
- Sector
- Technology
- Industry
- Semiconductors
- News releases
- 9 in the last 12 months · 19 in all · newest Sep 14, 2026 · oldest 2025
- Decks
- 14 decks · latest Aug 14, 2026
Where Alchip Technologies Ltd. is listed
| Listing | Exchange | Country | Currency |
|---|---|---|---|
| TWSE:3661 世芯-KY · Home listing · This page | TWSE | Taiwan | TWD |
| LUXSE:ALCHP | LUXSE | Luxembourg | USD |
| LUXSE:ALCHA | LUXSE | Luxembourg | USD |
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