TWSE · 6239 · stock

Powertech Technology Inc. (6239) stock price history

Every TWSE trading session of Powertech Technology Inc. from Nov 8, 2004 to Sep 24, 2026: 5,383 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 6239 data, free keyYear by year table

6239 adjusted close, 2004 to 2026

6239Powertech Technology Inc.
NT$287.00+93.8% over one year
2010201520202025
NT$371.68
All time high, 2026
NT$379.53
52 week high, NT$135.83 low
5,383
Daily sessions since 2004

Last updated Sep 24, 2026, the last stored session. Refreshes after each trading day. Full 2004 to 2026 series and minute bars.

6239 key facts

  • Powertech Technology Inc. (6239) closed at NT$287.00 on Sep 24, 2026 on TWSE.
  • 6239's all time high close is NT$371.68, set on May 29, 2026; its all time low close is NT$13.63 on Nov 26, 2004.
  • 6239's 52 week range is NT$135.83 to NT$379.53.
  • 6239 returned +93.8% over the year to Sep 24, 2026 and +250.7% over five years.
  • Over ten years 6239 returned +471%, +19.0% a year compounded.
  • 6239's deepest drawdown was -68.5% from Jul 25, 2007 to Nov 24, 2008.
  • DataCedar holds 5,383 daily sessions of 6239 history from Nov 8, 2004 and minute bars from Sep 15, 2026, adjusted for splits and dividends, served by the API under a key.

6239 price chart, 2004 to 2026

6239 adjusted close, Nov 8, 2004 to Sep 24, 2026NT$14.05NT$41.86NT$124.74NT$371.6820052010201520202025
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

6239 returns

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

PeriodReturn
1 month+6.5%
3 months-13.4%
6 months+52.4%
Year to date+67.2%
1 year+93.8%
3 years+214.1%
5 years+250.7%
10 years+471.2%
Since Nov 8, 2004+1,898%
Compound annual growth, 21.9 years+14.7%

6239 records

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

All time high close
NT$371.68 on May 29, 2026
All time low close
NT$13.63 on Nov 26, 2004
52 week high
NT$379.53 on May 29, 2026
52 week low
NT$135.83 on Sep 26, 2025
Deepest drawdown
-68.5% from Jul 25, 2007 to Nov 24, 2008, recovered Jan 20, 2010
Best single session
+19.8% on Jul 28, 2006
Worst single session
-16.3% on Jan 29, 2007
Volatility, 1 year annualised
64.7%
Sessions closing higher, 1 year
50%
Growth of 1 since 2004
20.0×
Best calendar year
2009, +117%
Worst calendar year
2008, -46%

6239 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. 2004 starts on Nov 8, 2004; 2026 runs to Sep 24, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026NT$171.62NT$379.53NT$170.15NT$287.00+69.2%3.5B178
2025NT$112.69NT$181.92NT$92.20NT$169.66+49.3%1.6B242
2024NT$125.25NT$186.75NT$107.10NT$113.62-9.6%1.4B242
2023NT$66.05NT$137.28NT$65.71NT$125.69+90.1%777.7M239
2022NT$76.06NT$77.60NT$57.11NT$66.13-12.3%683.6M246
2021NT$70.09NT$89.57NT$67.95NT$75.44+7.6%1.1B243
2020NT$70.65NT$83.01NT$46.91NT$70.09-0.6%1.5B245
2019NT$44.35NT$76.30NT$42.68NT$70.51+60.0%801.7M241
2018NT$55.98NT$61.68NT$42.55NT$44.08-21.0%608.1M245
2017NT$53.00NT$64.64NT$50.79NT$55.79+4.7%645.7M243
2016NT$38.06NT$56.68NT$36.43NT$53.31+40.3%716.5M244
2015NT$29.69NT$43.65NT$28.06NT$38.00+27.5%1.4B246
2014NT$24.19NT$31.61NT$21.28NT$29.80+23.6%1.5B248
2013NT$23.79NT$30.34NT$21.03NT$24.12+2.4%1.4B244
2012NT$31.03NT$40.00NT$18.89NT$23.56-24.2%2.9B248
2011NT$41.21NT$47.34NT$29.38NT$31.07-24.2%1.3B247
2010NT$43.93NT$48.40NT$35.18NT$41.00-7.1%1.1B250
2009NT$20.37NT$44.95NT$16.60NT$44.13+116.7%32.5B249
2008NT$37.72NT$41.80NT$13.73NT$20.37-46.0%56.5B251
2007NT$37.71NT$47.14NT$30.26NT$37.72+0.0%2B244
2006NT$24.43NT$40.06NT$18.03NT$37.71+50.1%39.2B248
2005NT$15.31NT$28.20NT$14.05NT$25.13+64.2%2.6T260
2004NT$14.47NT$15.93NT$13.42NT$15.31n/a460B40

6239 monthly closes, last 12 months

MonthMonth end closeChange
September 2026NT$287.00+3.6%
August 2026NT$277.00+17.6%
July 2026NT$235.50-28.8%
June 2026NT$330.98-10.9%
May 2026NT$371.68+86.7%
April 2026NT$199.08+8.6%
March 2026NT$183.39-27.5%
February 2026NT$253.02+1.6%
January 2026NT$249.09+46.8%
December 2025NT$169.66+10.2%
November 2025NT$153.97-9.2%
October 2025NT$169.66+18.5%

About the 6239 data

Daily bars. 5,383 sessions from Nov 8, 2004 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 8, 2004, 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/6239/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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