TWSE · 1721 · stock

Sunko Ink Co., Ltd. (1721) stock price history

Every TWSE trading session of Sunko Ink Co., Ltd. from Jan 4, 2000 to Sep 24, 2026: 6,647 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 1721 data, free keyYear by year table

1721 adjusted close, 2000 to 2026

1721Sunko Ink Co., Ltd.
NT$24.20+86.2% over one year
20052010201520202025
NT$40.19
All time high, 2007
NT$36.00
52 week high, NT$10.65 low
6,647
Daily sessions since 2000

Last updated Sep 24, 2026, the last stored session. Refreshes after each trading day. Full 2000 to 2026 series and minute bars.

1721 key facts

  • Sunko Ink Co., Ltd. (1721) closed at NT$24.20 on Sep 24, 2026 on TWSE.
  • 1721's all time high close is NT$40.19, set on Jul 18, 2007; its all time low close is NT$3.45 on Nov 30, 2001.
  • 1721's 52 week range is NT$10.65 to NT$36.00.
  • 1721 returned +86.2% over the year to Sep 24, 2026 and +149.4% over five years.
  • Over ten years 1721 returned +74%, +5.7% a year compounded.
  • 1721's deepest drawdown was -85.4% from Feb 21, 2000 to Nov 30, 2001.
  • DataCedar holds 6,647 daily sessions of 1721 history from Jan 4, 2000 and minute bars from Sep 15, 2026, adjusted for splits and dividends, served by the API under a key.

1721 price chart, 2000 to 2026

1721 adjusted close, Jan 4, 2000 to Sep 24, 2026NT$3.48NT$11.70NT$19.92NT$28.13200020052010201520202025
Adjusted daily close. 260 sampled points across the full history; the API serves every session.

1721 returns

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

PeriodReturn
1 month+23.5%
3 months-4.2%
6 months+33.7%
Year to date+44.0%
1 year+86.2%
3 years+83.3%
5 years+149.4%
10 years+74.3%
Since Jan 4, 2000+192.6%
Compound annual growth, 26.7 years+4.1%

1721 records

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

All time high close
NT$40.19 on Jul 18, 2007
All time low close
NT$3.45 on Nov 30, 2001
52 week high
NT$36.00 on May 13, 2026
52 week low
NT$10.65 on Nov 24, 2025
Deepest drawdown
-85.4% from Feb 21, 2000 to Nov 30, 2001, recovered Jul 6, 2007
Best single session
+14.5% on Jan 28, 2021
Worst single session
-12.9% on Sep 18, 2000
Volatility, 1 year annualised
70.9%
Sessions closing higher, 1 year
47%
Growth of 1 since 2000
2.9×
Best calendar year
2021, +161%
Worst calendar year
2022, -47%

1721 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. 2000 starts on Jan 4, 2000; 2026 runs to Sep 24, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026NT$17.95NT$36.00NT$14.15NT$24.20+46.7%610.7M178
2025NT$16.00NT$18.00NT$9.90NT$16.50+3.1%308.9M242
2024NT$15.30NT$26.55NT$12.35NT$16.00+4.6%1.1B242
2023NT$14.70NT$19.50NT$12.90NT$15.30+4.1%711.8M239
2022NT$28.31NT$28.80NT$12.42NT$14.70-47.4%1B246
2021NT$10.72NT$33.22NT$8.61NT$27.96+160.9%1.7B243
2020NT$8.50NT$11.98NT$7.76NT$10.72+26.0%141.7M245
2019NT$9.70NT$9.99NT$8.08NT$8.50-12.7%20.9M241
2018NT$13.45NT$13.79NT$8.55NT$9.75-27.6%58.9M245
2017NT$13.47NT$15.28NT$11.88NT$13.45-0.2%70.8M243
2016NT$10.94NT$16.05NT$9.95NT$13.47+23.1%190.6M244
2015NT$9.36NT$12.84NT$8.32NT$10.94+15.2%38.1M246
2014NT$7.67NT$12.21NT$7.25NT$9.50+23.8%87.4M248
2013NT$7.42NT$9.22NT$6.65NT$7.67+3.4%34.9M244
2012NT$6.51NT$8.85NT$5.80NT$7.42+13.9%34.8M248
2011NT$10.22NT$11.67NT$5.89NT$6.51-36.3%48.9M247
2010NT$11.98NT$18.54NT$9.13NT$10.22-18.1%158.4M250
2009NT$9.89NT$14.69NT$7.48NT$12.48+26.1%143.1M249
2008NT$16.00NT$27.05NT$8.21NT$9.89-38.2%1.8B251
2007NT$14.45NT$42.97NT$9.38NT$16.00+18.3%283.7M244
2006NT$7.57NT$13.53NT$6.96NT$13.53+78.6%3.3B248
2005NT$10.05NT$11.52NT$6.49NT$7.57-24.6%19.3M260
2004NT$6.28NT$15.38NT$6.18NT$10.05+60.1%93.5M262
2003NT$7.14NT$11.75NT$6.03NT$6.28-12.1%38.4M261
2002NT$4.51NT$14.53NT$4.33NT$7.14+58.2%77M261
2001NT$4.44NT$7.73NT$3.25NT$4.51+1.7%13M261
2000NT$8.66NT$25.20NT$4.28NT$4.44n/a55.1M259

1721 monthly closes, last 12 months

MonthMonth end closeChange
September 2026NT$24.20+17.8%
August 2026NT$20.55+7.0%
July 2026NT$19.20-17.6%
June 2026NT$23.30-17.5%
May 2026NT$28.25+16.7%
April 2026NT$24.20+40.7%
March 2026NT$17.20-7.5%
February 2026NT$18.60+6.6%
January 2026NT$17.45+5.8%
December 2025NT$16.50+46.0%
November 2025NT$11.30-5.0%
October 2025NT$11.90-10.9%

About the 1721 data

Daily bars. 6,647 sessions from Jan 4, 2000 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 Jan 4, 2000, 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/1721/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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1721 share price history

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