TWSE · 3257 · stock

Champion Microelectronic Corporation (3257) stock price history

Every TWSE trading session of Champion Microelectronic Corporation from Mar 21, 2011 to Sep 24, 2026: 3,792 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 3257 data, free keyYear by year table

3257 adjusted close, 2011 to 2026

3257Champion Microelectronic Corporation
NT$48.70-28.1% over one year
201520202025
NT$79.53
All time high, 2023
NT$78.20
52 week high, NT$45.85 low
3,792
Daily sessions since 2011

Last updated Sep 24, 2026, the last stored session. Refreshes after each trading day. Full 2011 to 2026 series and minute bars.

3257 key facts

  • Champion Microelectronic Corporation (3257) closed at NT$48.70 on Sep 24, 2026 on TWSE.
  • 3257's all time high close is NT$79.53, set on Sep 5, 2023; its all time low close is NT$6.41 on Dec 20, 2011.
  • 3257's 52 week range is NT$45.85 to NT$78.20.
  • 3257 returned -28.1% over the year to Sep 24, 2026 and -12.0% over five years.
  • Over ten years 3257 returned +98%, +7.0% a year compounded.
  • 3257's deepest drawdown was -69.5% from Jun 19, 2014 to Aug 24, 2015.
  • DataCedar holds 3,792 daily sessions of 3257 history from Mar 21, 2011 and minute bars from Sep 15, 2026, adjusted for splits and dividends, served by the API under a key.

3257 price chart, 2011 to 2026

3257 adjusted close, Mar 21, 2011 to Sep 24, 2026NT$6.76NT$30.67NT$54.58NT$78.4820122014201620182020202220242026
Adjusted daily close. 260 sampled points across the full history; the API serves every session.

3257 returns

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

PeriodReturn
1 month-1.2%
3 months-31.5%
6 months-5.6%
Year to date-26.2%
1 year-28.1%
3 years-22.2%
5 years-12.0%
10 years+97.6%
Since Mar 21, 2011+211.2%
Compound annual growth, 15.5 years+7.6%

3257 records

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

All time high close
NT$79.53 on Sep 5, 2023
All time low close
NT$6.41 on Dec 20, 2011
52 week high
NT$78.20 on Jul 6, 2026
52 week low
NT$45.85 on Sep 14, 2026
Deepest drawdown
-69.5% from Jun 19, 2014 to Aug 24, 2015, recovered Jun 1, 2020
Best single session
+10.0% on Jan 22, 2018
Worst single session
-10.0% on Aug 1, 2023
Volatility, 1 year annualised
48.9%
Sessions closing higher, 1 year
44%
Growth of 1 since 2011
3.1×
Best calendar year
2013, +236%
Worst calendar year
2022, -33%

3257 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. 2011 starts on Mar 21, 2011; 2026 runs to Sep 24, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026NT$67.20NT$78.20NT$45.85NT$48.70-26.8%143.9M178
2025NT$48.47NT$77.75NT$35.69NT$66.53+37.0%373.5M242
2024NT$64.10NT$68.14NT$40.10NT$48.56-24.4%121.4M242
2023NT$38.09NT$80.15NT$35.59NT$64.28+72.9%251.2M239
2022NT$55.11NT$63.93NT$29.78NT$37.18-32.5%84.2M246
2021NT$62.42NT$70.49NT$45.43NT$55.11-10.6%263.8M243
2020NT$39.03NT$68.46NT$29.44NT$61.65+59.3%182.6M245
2019NT$29.62NT$43.99NT$28.87NT$38.70+31.0%52.2M241
2018NT$30.63NT$46.52NT$24.98NT$29.55-3.3%109M245
2017NT$21.51NT$44.03NT$20.24NT$30.57+42.1%133.2M243
2016NT$26.22NT$26.63NT$17.78NT$21.51-17.0%51.7M244
2015NT$36.71NT$37.31NT$13.68NT$25.93-29.6%146.8M246
2014NT$34.99NT$50.76NT$32.51NT$36.80+6.0%461.2M248
2013NT$10.48NT$35.87NT$9.99NT$34.74+235.6%552.8M244
2012NT$6.83NT$13.31NT$6.73NT$10.35+51.5%255M248
2011NT$16.34NT$17.52NT$6.08NT$6.83n/a91.2M198

3257 monthly closes, last 12 months

MonthMonth end closeChange
September 2026NT$48.70-1.7%
August 2026NT$49.55-1.9%
July 2026NT$50.50-25.4%
June 2026NT$67.70-1.6%
May 2026NT$68.80+35.8%
April 2026NT$50.66+2.9%
March 2026NT$49.23-15.4%
February 2026NT$58.17-7.4%
January 2026NT$62.82-5.6%
December 2025NT$66.53+14.6%
November 2025NT$58.07-17.0%
October 2025NT$69.95+7.8%

About the 3257 data

Daily bars. 3,792 sessions from Mar 21, 2011 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 Mar 21, 2011, 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/3257/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

Nearby on TWSE

  • 3189 Kinsus Interconnect Technology Corp.
  • 3209 Alltek Technology Corporation
  • 3229 Cheer Time Enterprise Co., Ltd
  • 3231 Wistron Corporation
  • 3266 Sunty Development Co., LTD
  • 3296 Powertech Industrial Co., Ltd.
  • 3305 Shenmao Technology Inc
  • 3308 Bestec Power Electronics Co., Ltd.

Common questions

3257 share price history

Start with any symbol.

Start free