TWSE · 3057 · stock

Promise Technology, Inc. (3057) stock price history

Every TWSE trading session of Promise Technology, Inc. from Dec 19, 2002 to Sep 24, 2026: 5,875 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 3057 data, free keyYear by year table

3057 adjusted close, 2002 to 2026

3057Promise Technology, Inc.
NT$15.80+10.3% over one year
20052010201520202025
NT$139.83
All time high, 2014
NT$25.20
52 week high, NT$11.75 low
5,875
Daily sessions since 2002

Last updated Sep 24, 2026, the last stored session. Refreshes after each trading day. Full 2002 to 2026 series and minute bars.

3057 key facts

  • Promise Technology, Inc. (3057) closed at NT$15.80 on Sep 24, 2026 on TWSE.
  • 3057's all time high close is NT$139.83, set on Mar 5, 2014; its all time low close is NT$11.13 on Mar 24, 2020.
  • 3057's 52 week range is NT$11.75 to NT$25.20.
  • 3057 returned +10.3% over the year to Sep 24, 2026 and -23.0% over five years.
  • Over ten years 3057 returned -68%, -10.8% a year compounded.
  • 3057's deepest drawdown was -92.0% from Mar 5, 2014 to Mar 24, 2020.
  • DataCedar holds 5,875 daily sessions of 3057 history from Dec 19, 2002 and minute bars from Sep 15, 2026, adjusted for splits and dividends, served by the API under a key.

3057 price chart, 2002 to 2026

3057 adjusted close, Dec 19, 2002 to Sep 24, 2026NT$12.78NT$52.28NT$91.78NT$131.2820052010201520202025
Adjusted daily close. 260 sampled points across the full history; the API serves every session.

3057 returns

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

PeriodReturn
1 month-4.8%
3 months-20.8%
6 months-4.2%
Year to date-25.6%
1 year+10.3%
3 years-11.3%
5 years-23.0%
10 years-68.2%
Since Dec 19, 2002-75.1%
Compound annual growth, 23.8 years-5.7%

3057 records

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

All time high close
NT$139.83 on Mar 5, 2014
All time low close
NT$11.13 on Mar 24, 2020
52 week high
NT$25.20 on Jan 6, 2026
52 week low
NT$11.75 on Nov 10, 2025
Deepest drawdown
-92.0% from Mar 5, 2014 to Mar 24, 2020, not yet recovered
Best single session
+24.9% on Jul 24, 2003
Worst single session
-13.9% on Sep 30, 2008
Volatility, 1 year annualised
62.7%
Sessions closing higher, 1 year
44%
Best calendar year
2013, +196%
Worst calendar year
2004, -52%

3057 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. 2002 starts on Dec 19, 2002; 2026 runs to Sep 24, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026NT$20.45NT$25.20NT$13.20NT$15.80-24.6%64.4M178
2025NT$17.74NT$22.50NT$11.75NT$20.95+20.1%59.1M242
2024NT$19.90NT$27.50NT$17.28NT$17.44-11.7%52.5M242
2023NT$15.36NT$25.58NT$15.18NT$19.74+28.8%42.7M239
2022NT$23.20NT$24.12NT$15.18NT$15.33-33.0%19.3M246
2021NT$17.90NT$30.03NT$15.36NT$22.89+27.4%89.1M243
2020NT$22.61NT$24.67NT$10.83NT$17.97-19.4%71.8M245
2019NT$23.73NT$25.67NT$17.66NT$22.31-5.7%20.8M241
2018NT$32.53NT$38.42NT$22.87NT$23.67-27.2%44.7M245
2017NT$46.36NT$47.98NT$29.20NT$32.53-29.6%47.9M243
2016NT$57.21NT$64.58NT$37.42NT$46.22-16.9%112.8M244
2015NT$97.50NT$104.04NT$34.10NT$55.62-42.3%153.7M246
2014NT$91.80NT$144.61NT$79.47NT$96.46+5.8%293M248
2013NT$30.85NT$94.44NT$29.74NT$91.17+195.5%279.4M244
2012NT$38.13NT$57.25NT$25.91NT$30.85-19.1%110M248
2011NT$73.66NT$80.70NT$32.08NT$38.13-47.8%258.1M247
2010NT$63.79NT$78.35NT$44.15NT$73.05+15.1%199.9M250
2009NT$24.07NT$68.55NT$24.07NT$63.44+163.6%340.5M249
2008NT$38.05NT$67.27NT$19.75NT$24.07-36.0%610.4M251
2007NT$60.13NT$91.04NT$31.01NT$37.63-36.5%187.7M244
2006NT$30.04NT$62.23NT$22.03NT$59.30+97.4%1.7B248
2005NT$32.53NT$49.30NT$24.40NT$30.04-7.7%205M260
2004NT$67.79NT$72.73NT$27.50NT$32.53-52.0%79.4M262
2003NT$58.46NT$109.10NT$46.03NT$67.79+16.0%149.4M261
2002NT$63.57NT$64.49NT$56.61NT$58.46n/a5.7M9

3057 monthly closes, last 12 months

MonthMonth end closeChange
September 2026NT$15.80-9.7%
August 2026NT$17.50+22.4%
July 2026NT$14.30-25.9%
June 2026NT$19.30-5.6%
May 2026NT$20.45+1.5%
April 2026NT$20.15+32.6%
March 2026NT$15.20-8.2%
February 2026NT$16.55-8.6%
January 2026NT$18.10-13.6%
December 2025NT$20.95+33.4%
November 2025NT$15.70+23.6%
October 2025NT$12.70-11.3%

About the 3057 data

Daily bars. 5,875 sessions from Dec 19, 2002 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 24, 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 Dec 19, 2002, 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/3057/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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