TWSE · 6257 · stock

Sigurd Microelectronics Corporation (6257) stock price history

Every TWSE trading session of Sigurd Microelectronics Corporation from Aug 25, 2003 to Sep 24, 2026: 5,698 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 6257 data, free keyYear by year table

6257 adjusted close, 2003 to 2026

6257Sigurd Microelectronics Corporation
NT$243.00+166.0% over one year
20052010201520202025
NT$268.75
All time high, 2026
NT$275.15
52 week high, NT$86.14 low
5,698
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.

6257 key facts

  • Sigurd Microelectronics Corporation (6257) closed at NT$243.00 on Sep 24, 2026 on TWSE.
  • 6257's all time high close is NT$268.75, set on Jul 6, 2026; its all time low close is NT$2.18 on Nov 20, 2008.
  • 6257's 52 week range is NT$86.14 to NT$275.15.
  • 6257 returned +166.0% over the year to Sep 24, 2026 and +406.6% over five years.
  • Over ten years 6257 returned +1,662%, +33.2% a year compounded.
  • 6257's deepest drawdown was -82.0% from Feb 25, 2004 to Nov 20, 2008.
  • DataCedar holds 5,698 daily sessions of 6257 history from Aug 25, 2003 and minute bars from Sep 15, 2026, adjusted for splits and dividends, served by the API under a key.

6257 price chart, 2003 to 2026

6257 adjusted close, Aug 25, 2003 to Sep 24, 2026NT$2.53NT$11.59NT$53.07NT$243.0020052010201520202025
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

6257 returns

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

PeriodReturn
1 month+23.0%
3 months+1.8%
6 months+95.1%
Year to date+114.6%
1 year+166.0%
3 years+367.7%
5 years+406.6%
10 years+1,662%
Since Aug 25, 2003+3,968%
Compound annual growth, 23.1 years+17.4%

6257 records

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

All time high close
NT$268.75 on Jul 6, 2026
All time low close
NT$2.18 on Nov 20, 2008
52 week high
NT$275.15 on Jul 6, 2026
52 week low
NT$86.14 on Oct 13, 2025
Deepest drawdown
-82.0% from Feb 25, 2004 to Nov 20, 2008, recovered Jan 19, 2011
Best single session
+10.0% on Apr 10, 2025
Worst single session
-10.0% on Apr 7, 2025
Volatility, 1 year annualised
58.0%
Sessions closing higher, 1 year
53%
Growth of 1 since 2003
40.7×
Best calendar year
2009, +209%
Worst calendar year
2008, -54%

6257 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 Aug 25, 2003; 2026 runs to Sep 24, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026NT$117.64NT$275.15NT$109.76NT$243.00+111.9%2.1B178
2025NT$63.18NT$119.61NT$52.71NT$114.69+81.8%1.2B242
2024NT$59.55NT$77.38NT$57.38NT$63.08+7.1%1.1B242
2023NT$40.80NT$64.97NT$40.39NT$58.91+45.0%648.7M239
2022NT$45.35NT$48.58NT$34.40NT$40.64-10.1%548.8M246
2021NT$33.48NT$53.44NT$32.09NT$45.20+35.9%1.9B243
2020NT$25.98NT$34.66NT$19.05NT$33.26+28.0%1.4B245
2019NT$17.64NT$27.80NT$16.96NT$25.98+48.1%729M241
2018NT$20.35NT$26.59NT$16.99NT$17.54-13.8%950.4M245
2017NT$13.62NT$21.74NT$13.56NT$20.35+50.1%540.7M243
2016NT$12.16NT$14.29NT$10.72NT$13.56+12.0%218.2M244
2015NT$16.01NT$16.93NT$9.74NT$12.11-24.4%416.4M246
2014NT$14.48NT$19.58NT$13.95NT$16.01+10.6%867.5M248
2013NT$12.79NT$16.84NT$11.96NT$14.48+14.1%852.9M244
2012NT$8.81NT$12.82NT$8.72NT$12.70+44.2%680.9M248
2011NT$11.43NT$12.39NT$7.65NT$8.81-22.5%744.5M247
2010NT$8.13NT$11.70NT$6.51NT$11.37+40.9%1.8B250
2009NT$2.61NT$8.15NT$2.36NT$8.07+208.6%2.2B249
2008NT$5.64NT$6.66NT$2.04NT$2.61-53.7%5.3B251
2007NT$6.81NT$9.61NT$4.79NT$5.64-16.6%21.5B244
2006NT$6.58NT$7.50NT$4.67NT$6.76+2.3%41B248
2005NT$5.66NT$7.12NT$3.97NT$6.61+17.4%19.6B260
2004NT$10.26NT$12.45NT$5.14NT$5.63-45.1%467.3M262
2003NT$5.97NT$11.37NT$5.97NT$10.26n/a237.5M93

6257 monthly closes, last 12 months

MonthMonth end closeChange
September 2026NT$243.00+16.5%
August 2026NT$208.50+11.8%
July 2026NT$186.50-20.1%
June 2026NT$233.31+4.2%
May 2026NT$223.96+26.4%
April 2026NT$177.20+20.4%
March 2026NT$147.17-0.7%
February 2026NT$148.16+15.8%
January 2026NT$127.98+11.6%
December 2025NT$114.69+15.9%
November 2025NT$98.94-3.8%
October 2025NT$102.87+14.8%

About the 6257 data

Daily bars. 5,698 sessions from Aug 25, 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 Aug 25, 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/6257/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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