TWSE · 4906 · stock

Gemtek Technology Co., Ltd. (4906) stock price history

Every TWSE trading session of Gemtek Technology Co., Ltd. from Jul 1, 2003 to Nov 13, 2026: 5,727 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 4906 data, free keyYear by year table

4906 adjusted close, 2003 to 2026

4906Gemtek Technology Co., Ltd.
NT$34.90+30.9% over one year
20052010201520202025
NT$52.82
All time high, 2026
NT$55.20
52 week high, NT$24.78 low
5,727
Daily sessions since 2003

Last updated Nov 13, 2026, the last stored session. Refreshes after each trading day. Full 2003 to 2026 series and minute bars.

4906 key facts

  • Gemtek Technology Co., Ltd. (4906) closed at NT$34.90 on Nov 13, 2026 on TWSE.
  • 4906's all time high close is NT$52.82, set on Jun 1, 2026; its all time low close is NT$8.38 on Aug 25, 2015.
  • 4906's 52 week range is NT$24.78 to NT$55.20.
  • 4906 returned +30.9% over the year to Nov 13, 2026 and +54.6% over five years.
  • Over ten years 4906 returned +184%, +11.0% a year compounded.
  • 4906's deepest drawdown was -76.5% from May 11, 2007 to Aug 25, 2015.
  • DataCedar holds 5,727 daily sessions of 4906 history from Jul 1, 2003 and minute bars from Sep 15, 2026, adjusted for splits and dividends, served by the API under a key.

4906 price chart, 2003 to 2026

4906 adjusted close, Jul 1, 2003 to Nov 13, 2026NT$9.56NT$23.98NT$38.40NT$52.8220052010201520202025
Adjusted daily close. 260 sampled points across the full history; the API serves every session.

4906 returns

Price return from the last close on or before the window start to Nov 13, 2026, on adjusted closes.

PeriodReturn
1 month-14.5%
3 months-4.6%
6 months-7.2%
Year to date+29.5%
1 year+30.9%
3 years+18.9%
5 years+54.6%
10 years+183.8%
Since Jul 1, 2003+188.3%
Compound annual growth, 23.4 years+4.6%

4906 records

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

All time high close
NT$52.82 on Jun 1, 2026
All time low close
NT$8.38 on Aug 25, 2015
52 week high
NT$55.20 on Jun 3, 2026
52 week low
NT$24.78 on Mar 10, 2026
Deepest drawdown
-76.5% from May 11, 2007 to Aug 25, 2015, recovered Jul 2, 2024
Best single session
+17.3% on Aug 5, 2003
Worst single session
-13.8% on May 18, 2006
Volatility, 1 year annualised
60.4%
Sessions closing higher, 1 year
48%
Growth of 1 since 2003
2.9×
Best calendar year
2012, +74%
Worst calendar year
2011, -51%

4906 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. 2003 starts on Jul 1, 2003; 2026 runs to Nov 13, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026NT$26.71NT$55.20NT$24.78NT$34.90+31.4%3.3B207
2025NT$31.23NT$31.98NT$20.60NT$26.56-15.0%573.7M242
2024NT$30.95NT$43.07NT$28.36NT$31.23+1.0%1.9B241
2023NT$23.51NT$35.70NT$22.78NT$30.91+32.2%1.7B239
2022NT$26.16NT$28.50NT$21.80NT$23.38-10.1%1.4B246
2021NT$23.12NT$27.97NT$19.34NT$25.99+12.8%1.5B243
2020NT$19.28NT$24.14NT$10.94NT$23.05+20.4%1.3B245
2019NT$17.21NT$21.84NT$16.10NT$19.14+12.4%1B241
2018NT$18.15NT$23.27NT$12.68NT$17.02-5.8%1.4B244
2017NT$16.10NT$25.10NT$14.39NT$18.08+13.0%1.2B243
2016NT$12.19NT$17.87NT$10.19NT$16.00+30.9%575.5M244
2015NT$15.27NT$16.20NT$7.30NT$12.23-19.9%289M238
2014NT$16.87NT$18.90NT$13.00NT$15.27-9.3%376M247
2013NT$19.43NT$22.79NT$15.76NT$16.84-13.3%517.1M244
2012NT$11.20NT$19.71NT$11.14NT$19.43+73.6%567.3M245
2011NT$23.08NT$23.31NT$10.35NT$11.20-51.2%463.7M243
2010NT$28.25NT$29.07NT$19.04NT$22.92-18.6%524.9M238
2009NT$20.00NT$29.22NT$17.83NT$28.15+40.7%3.3B243
2008NT$22.45NT$31.05NT$12.63NT$20.00-10.9%15.6B251
2007NT$26.70NT$37.15NT$17.91NT$22.45-15.2%22.1B243
2006NT$16.30NT$27.82NT$14.80NT$26.47+57.9%28.9B248
2005NT$23.96NT$24.96NT$12.82NT$16.76-30.0%636.5B258
2004NT$18.84NT$23.96NT$14.42NT$23.96+27.2%965.8B262
2003NT$11.87NT$19.54NT$11.87NT$18.84n/a643.6B132

4906 monthly closes, last 12 months

MonthMonth end closeChange
November 2026NT$34.90-8.6%
October 2026NT$38.20-9.7%
September 2026NT$42.30+16.9%
August 2026NT$36.20+17.2%
July 2026NT$30.90-27.6%
June 2026NT$42.70-13.1%
May 2026NT$49.16+44.9%
April 2026NT$33.93-4.9%
March 2026NT$35.66+32.8%
February 2026NT$26.86-4.7%
January 2026NT$28.19+6.1%
December 2025NT$26.56+2.5%

About the 4906 data

Daily bars. 5,727 sessions from Jul 1, 2003 to Nov 13, 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 Nov 6, 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 Jul 1, 2003, 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/twse%3A4906/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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