TWSE · 3661 · stock

Alchip Technologies, Limited (3661) stock price history

Every TWSE trading session of Alchip Technologies, Limited from Oct 5, 2012 to Sep 24, 2026: 3,406 daily bars, adjusted for splits and dividends, with minute bars from Sep 15, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.

Get 3661 data, free keyYear by year table

3661 adjusted close, 2012 to 2026

3661Alchip Technologies, Limited
NT$3,770+11.4% over one year
2014201620182020202220242026
NT$5,333
All time high, 2026
NT$5,596
52 week high, NT$2,461 low
3,406
Daily sessions since 2012

Last updated Sep 24, 2026, the last stored session. Refreshes after each trading day. Full 2012 to 2026 series and minute bars.

3661 key facts

  • Alchip Technologies, Limited (3661) closed at NT$3,770 on Sep 24, 2026 on TWSE.
  • 3661's all time high close is NT$5,333, set on May 11, 2026; its all time low close is NT$17.27 on May 31, 2013.
  • 3661's 52 week range is NT$2,461 to NT$5,596.
  • 3661 returned +11.4% over the year to Sep 24, 2026 and +340.6% over five years.
  • Over ten years 3661 returned +14,770%, +64.9% a year compounded.
  • 3661's deepest drawdown was -82.7% from Jul 11, 2014 to Jun 24, 2016.
  • DataCedar holds 3,406 daily sessions of 3661 history from Oct 5, 2012 and minute bars from Sep 15, 2026, adjusted for splits and dividends, served by the API under a key.

3661 price chart, 2012 to 2026

3661 adjusted close, Oct 5, 2012 to Sep 24, 2026NT$17.71NT$112.62NT$716.17NT$4,55420122014201620182020202220242026
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

3661 returns

Price return from the last close on or before the window start to Sep 24, 2026, on adjusted closes.

PeriodReturn
1 month+1.7%
3 months-12.3%
6 months+22.2%
Year to date+9.0%
1 year+11.4%
3 years+54.9%
5 years+340.6%
10 years+14,770%
Since Oct 5, 2012+11,518%
Compound annual growth, 14.0 years+40.6%

3661 records

Measured on the stored closes; every figure is reproducible from the API series.

All time high close
NT$5,333 on May 11, 2026
All time low close
NT$17.27 on May 31, 2013
52 week high
NT$5,596 on May 12, 2026
52 week low
NT$2,461 on Mar 31, 2026
Deepest drawdown
-82.7% from Jul 11, 2014 to Jun 24, 2016, recovered Mar 6, 2018
Best single session
+22.5% on Jun 5, 2014
Worst single session
-23.6% on Mar 12, 2013
Volatility, 1 year annualised
67.6%
Sessions closing higher, 1 year
52%
Growth of 1 since 2012
116×
Best calendar year
2023, +318%
Worst calendar year
2015, -65%

3661 price history by year

Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2012 starts on Oct 5, 2012; 2026 runs to Sep 24, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026NT$3,572NT$5,596NT$2,461NT$3,770+8.2%364.3M178
2025NT$3,199NT$4,394NT$1,912NT$3,483+8.0%567.3M242
2024NT$3,251NT$4,443NT$1,774NT$3,224+1.1%618.2M242
2023NT$772.61NT$3,591NT$770.67NT$3,188+317.8%850.7M239
2022NT$979.99NT$1,176NT$522.02NT$762.93-21.8%1.2B246
2021NT$594.38NT$1,267NT$344.59NT$975.21+65.7%816M243
2020NT$222.53NT$661.94NT$140.03NT$588.69+166.2%1.7B245
2019NT$65.43NT$240.92NT$59.75NT$221.12+244.3%1.2B241
2018NT$82.60NT$152.12NT$57.33NT$64.22-23.0%1B245
2017NT$28.95NT$121.23NT$26.27NT$83.43+189.6%1.1B243
2016NT$30.77NT$42.48NT$20.92NT$28.81-6.8%171.9M244
2015NT$88.68NT$96.66NT$27.57NT$30.91-65.5%155.8M246
2014NT$53.57NT$128.38NT$51.80NT$89.57+68.6%137.4M248
2013NT$32.45NT$65.42NT$17.18NT$53.13+63.7%15.9M244
2012NT$32.45NT$32.45NT$32.32NT$32.45n/a060

3661 monthly closes, last 12 months

MonthMonth end closeChange
September 2026NT$3,770-6.8%
August 2026NT$4,043+33.2%
July 2026NT$3,036-26.8%
June 2026NT$4,148-5.3%
May 2026NT$4,381+6.8%
April 2026NT$4,103+66.4%
March 2026NT$2,466-28.8%
February 2026NT$3,463+11.7%
January 2026NT$3,101-11.0%
December 2025NT$3,483+6.2%
November 2025NT$3,279-5.4%
October 2025NT$3,468+0.9%

About the 3661 data

Daily bars. 3,406 sessions from Oct 5, 2012 to Sep 24, 2026, one row per TWSE trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.

Minute bars. Stored from Sep 15, 2026 forward, most recent session Sep 24, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.

Time and currency. Session dates are TWSE trading days; minute timestamps are UTC. Prices are in TWD. Volume is shares traded on the session.

Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Oct 5, 2012, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.

curl "https://api.datacedar.com/v3/stocks/3661/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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