TWSE · 6128 · stock

General Plastic Industrial Co., Ltd. (6128) stock price history

Every TWSE trading session of General Plastic Industrial Co., Ltd. from Jun 16, 2003 to Sep 24, 2026: 5,748 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 6128 data, free keyYear by year table

6128 adjusted close, 2003 to 2026

6128General Plastic Industrial Co., Ltd.
NT$19.25-29.6% over one year
20052010201520202025
NT$37.43
All time high, 2024
NT$28.16
52 week high, NT$18.70 low
5,748
Daily sessions since 2003

Last updated Sep 24, 2026, the last stored session. Refreshes after each trading day. Full 2003 to 2026 series and minute bars.

6128 key facts

  • General Plastic Industrial Co., Ltd. (6128) closed at NT$19.25 on Sep 24, 2026 on TWSE.
  • 6128's all time high close is NT$37.43, set on Jun 4, 2024; its all time low close is NT$2.93 on May 23, 2005.
  • 6128's 52 week range is NT$18.70 to NT$28.16.
  • 6128 returned -29.6% over the year to Sep 24, 2026 and +3.3% over five years.
  • Over ten years 6128 returned -21%, -2.3% a year compounded.
  • 6128's deepest drawdown was -65.3% from Jan 8, 2007 to Nov 18, 2008.
  • DataCedar holds 5,748 daily sessions of 6128 history from Jun 16, 2003 and minute bars from Sep 15, 2026, adjusted for splits and dividends, served by the API under a key.

6128 price chart, 2003 to 2026

6128 adjusted close, Jun 16, 2003 to Sep 24, 2026NT$2.99NT$13.93NT$24.86NT$35.7920052010201520202025
Adjusted daily close. 260 sampled points across the full history; the API serves every session.

6128 returns

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

PeriodReturn
1 month-4.9%
3 months-6.3%
6 months-7.6%
Year to date-13.5%
1 year-29.6%
3 years-31.7%
5 years+3.3%
10 years-20.5%
Since Jun 16, 2003+309.9%
Compound annual growth, 23.3 years+6.2%

6128 records

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

All time high close
NT$37.43 on Jun 4, 2024
All time low close
NT$2.93 on May 23, 2005
52 week high
NT$28.16 on Oct 8, 2025
52 week low
NT$18.70 on May 26, 2026
Deepest drawdown
-65.3% from Jan 8, 2007 to Nov 18, 2008, recovered Jul 3, 2009
Best single session
+11.2% on Jul 23, 2003
Worst single session
-9.9% on Nov 12, 2025
Volatility, 1 year annualised
27.9%
Sessions closing higher, 1 year
38%
Growth of 1 since 2003
4.1×
Best calendar year
2009, +344%
Worst calendar year
2004, -36%

6128 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 Jun 16, 2003; 2026 runs to Sep 24, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026NT$22.16NT$26.50NT$18.70NT$19.25-13.1%23M178
2025NT$30.89NT$34.43NT$20.74NT$22.16-28.3%27.2M242
2024NT$29.56NT$38.29NT$28.24NT$30.89+4.7%70.3M242
2023NT$23.61NT$31.52NT$23.53NT$29.52+25.2%66.9M239
2022NT$21.50NT$24.41NT$20.20NT$23.57+9.6%29M246
2021NT$20.34NT$22.47NT$17.19NT$21.50+7.2%26M243
2020NT$20.23NT$21.53NT$15.51NT$20.06-0.7%26.2M245
2019NT$17.80NT$23.15NT$17.61NT$20.19+13.4%21.2M241
2018NT$23.26NT$25.94NT$16.18NT$17.80-23.5%54.9M245
2017NT$22.79NT$30.07NT$21.91NT$23.26+0.8%21.5M243
2016NT$17.33NT$26.45NT$16.82NT$23.07+33.1%35.8M244
2015NT$16.00NT$18.48NT$15.01NT$17.33+9.3%14.5M246
2014NT$13.92NT$17.99NT$13.79NT$15.85+14.1%33.2M248
2013NT$10.79NT$15.45NT$10.45NT$13.90+29.1%54.9M244
2012NT$9.70NT$12.62NT$9.70NT$10.77+11.0%23.5M248
2011NT$12.22NT$13.07NT$8.90NT$9.70-20.6%29.3M247
2010NT$16.41NT$17.14NT$10.91NT$12.22-25.5%91.1M250
2009NT$3.69NT$17.39NT$3.61NT$16.41+344.3%221.1M249
2008NT$5.46NT$6.01NT$2.95NT$3.69-32.7%410.6M251
2007NT$7.32NT$8.84NT$4.80NT$5.49-24.3%2.5B244
2006NT$3.39NT$8.61NT$3.31NT$7.25+113.3%5.9B248
2005NT$3.53NT$4.55NT$2.90NT$3.40-4.1%35.6M260
2004NT$5.54NT$5.77NT$3.39NT$3.54-36.0%53.6M262
2003NT$4.71NT$5.77NT$4.36NT$5.54n/a53.5M143

6128 monthly closes, last 12 months

MonthMonth end closeChange
September 2026NT$19.25-3.5%
August 2026NT$19.95-1.5%
July 2026NT$20.25-2.6%
June 2026NT$20.80+6.9%
May 2026NT$19.45-4.9%
April 2026NT$20.45-0.5%
March 2026NT$20.55-21.0%
February 2026NT$26.01+10.4%
January 2026NT$23.57+6.4%
December 2025NT$22.16-1.7%
November 2025NT$22.55-17.6%
October 2025NT$27.38+0.2%

About the 6128 data

Daily bars. 5,748 sessions from Jun 16, 2003 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 Jun 16, 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/6128/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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