TWSE · 3209 · stock

Alltek Technology Corporation (3209) stock price history

Every TWSE trading session of Alltek Technology Corporation from Nov 26, 2008 to Sep 24, 2026: 4,366 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.

3209 adjusted close, 2008 to 2026

3209Alltek Technology Corporation
NT$45.80+58.4% over one year
2010201520202025
NT$74.39
All time high, 2026
NT$76.49
52 week high, NT$26.73 low
4,366
Daily sessions since 2008

Last updated Sep 24, 2026, the last stored session. Refreshes after each trading day. Full 2008 to 2026 series and minute bars.

3209 key facts

  • Alltek Technology Corporation (3209) closed at NT$45.80 on Sep 24, 2026 on TWSE.
  • 3209's all time high close is NT$74.39, set on May 27, 2026; its all time low close is NT$1.71 on Dec 24, 2008.
  • 3209's 52 week range is NT$26.73 to NT$76.49.
  • 3209 returned +58.4% over the year to Sep 24, 2026 and +147.1% over five years.
  • Over ten years 3209 returned +337%, +15.9% a year compounded.
  • 3209's deepest drawdown was -49.7% from Oct 13, 2010 to Dec 20, 2011.
  • DataCedar holds 4,366 daily sessions of 3209 history from Nov 26, 2008 and minute bars from Sep 15, 2026, adjusted for splits and dividends, served by the API under a key.

3209 price chart, 2008 to 2026

3209 adjusted close, Nov 26, 2008 to Sep 24, 2026NT$1.84NT$6.23NT$21.14NT$71.742010201520202025
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

3209 returns

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

PeriodReturn
1 month-4.0%
3 months-18.1%
6 months+16.8%
Year to date+59.1%
1 year+58.4%
3 years+63.5%
5 years+147.1%
10 years+336.6%
Since Nov 26, 2008+2,320%
Compound annual growth, 17.8 years+19.6%

3209 records

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

All time high close
NT$74.39 on May 27, 2026
All time low close
NT$1.71 on Dec 24, 2008
52 week high
NT$76.49 on May 27, 2026
52 week low
NT$26.73 on Oct 15, 2025
Deepest drawdown
-49.7% from Oct 13, 2010 to Dec 20, 2011, recovered Jun 5, 2014
Best single session
+10.0% on May 11, 2026
Worst single session
-10.0% on Apr 7, 2025
Volatility, 1 year annualised
41.8%
Sessions closing higher, 1 year
50%
Growth of 1 since 2008
24.2×
Best calendar year
2009, +119%
Worst calendar year
2011, -39%

3209 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. 2008 starts on Nov 26, 2008; 2026 runs to Sep 24, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026NT$29.01NT$76.49NT$28.79NT$45.80+58.4%509.7M178
2025NT$29.12NT$34.99NT$24.91NT$28.92-1.0%311M242
2024NT$29.09NT$37.41NT$25.38NT$29.21+0.4%445M242
2023NT$26.08NT$34.05NT$25.68NT$29.09+11.9%349.2M239
2022NT$18.50NT$28.88NT$17.78NT$26.01+40.5%415.3M246
2021NT$13.15NT$19.51NT$12.36NT$18.50+40.7%412.4M243
2020NT$11.16NT$13.77NT$8.17NT$13.15+17.3%308.6M245
2019NT$8.44NT$11.59NT$8.29NT$11.21+32.9%122.6M241
2018NT$9.07NT$9.79NT$7.72NT$8.44-7.0%63.5M245
2017NT$9.88NT$11.20NT$8.98NT$9.07-7.5%96.8M243
2016NT$8.49NT$11.13NT$8.19NT$9.80+15.7%119.2M244
2015NT$8.64NT$9.69NT$6.13NT$8.48-1.9%162.5M246
2014NT$5.57NT$9.33NT$5.42NT$8.64+55.9%491.3M248
2013NT$5.06NT$5.94NT$4.15NT$5.54+10.5%246.6M244
2012NT$4.20NT$6.45NT$4.18NT$5.02+19.4%237.9M248
2011NT$6.94NT$7.01NT$3.92NT$4.20-39.0%209.7M247
2010NT$3.83NT$8.08NT$3.35NT$6.88+82.1%1.3B250
2009NT$1.72NT$3.85NT$1.72NT$3.78+119.2%415.5M249
2008NT$1.93NT$1.97NT$1.70NT$1.72n/a12.7M26

3209 monthly closes, last 12 months

MonthMonth end closeChange
September 2026NT$45.80-0.1%
August 2026NT$45.85-10.1%
July 2026NT$50.99-5.7%
June 2026NT$54.10-22.2%
May 2026NT$69.54+45.8%
April 2026NT$47.70+25.9%
March 2026NT$37.88+12.9%
February 2026NT$33.54+10.5%
January 2026NT$30.34+4.9%
December 2025NT$28.92-4.7%
November 2025NT$30.34+3.8%
October 2025NT$29.24+2.2%

About the 3209 data

Daily bars. 4,366 sessions from Nov 26, 2008 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 29, 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 Nov 26, 2008, 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/3209/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

3209 share price history

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