TWSE · 2351 · stock

SDI Corporation (2351) stock price history

Every TWSE trading session of SDI Corporation 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.

2351 adjusted close, 2000 to 2026

2351SDI Corporation
NT$219.50+173.1% over one year
20052010201520202025
NT$257.00
All time high, 2026
NT$257.00
52 week high, NT$71.63 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.

2351 key facts

  • SDI Corporation (2351) closed at NT$219.50 on Sep 24, 2026 on TWSE.
  • 2351's all time high close is NT$257.00, set on Sep 14, 2026; its all time low close is NT$1.65 on Oct 8, 2001.
  • 2351's 52 week range is NT$71.63 to NT$257.00.
  • 2351 returned +173.1% over the year to Sep 24, 2026 and +93.0% over five years.
  • Over ten years 2351 returned +575%, +21.0% a year compounded.
  • 2351's deepest drawdown was -87.0% from Apr 10, 2000 to Oct 8, 2001.
  • DataCedar holds 6,647 daily sessions of 2351 history from Jan 4, 2000 and minute bars from Sep 15, 2026, adjusted for splits and dividends, served by the API under a key.

2351 price chart, 2000 to 2026

2351 adjusted close, Jan 4, 2000 to Sep 24, 2026NT$1.79NT$8.89NT$44.17NT$219.50200020052010201520202025
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

2351 returns

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

PeriodReturn
1 month+9.5%
3 months+1.6%
6 months+115.6%
Year to date+185.8%
1 year+173.1%
3 years+122.2%
5 years+93.0%
10 years+574.5%
Since Jan 4, 2000+2,866%
Compound annual growth, 26.7 years+13.5%

2351 records

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

All time high close
NT$257.00 on Sep 14, 2026
All time low close
NT$1.65 on Oct 8, 2001
52 week high
NT$257.00 on Sep 14, 2026
52 week low
NT$71.63 on Jan 9, 2026
Deepest drawdown
-87.0% from Apr 10, 2000 to Oct 8, 2001, recovered Jul 21, 2006
Best single session
+40.2% on Nov 5, 2001
Worst single session
-15.2% on Nov 14, 2000
Volatility, 1 year annualised
66.3%
Sessions closing higher, 1 year
51%
Growth of 1 since 2000
29.7×
Best calendar year
2009, +331%
Worst calendar year
2008, -56%

2351 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$77.49NT$257.00NT$71.63NT$219.50+184.7%1.1B178
2025NT$90.80NT$101.00NT$58.77NT$77.09-15.1%418.6M242
2024NT$106.79NT$163.52NT$86.75NT$90.80-15.0%688M242
2023NT$87.99NT$129.48NT$87.35NT$106.79+21.5%438.4M239
2022NT$152.84NT$160.84NT$78.29NT$87.90-43.6%640.5M246
2021NT$88.50NT$177.72NT$63.27NT$155.95+81.2%1.4B243
2020NT$54.86NT$86.05NT$28.40NT$86.05+57.3%312.2M245
2019NT$56.43NT$66.92NT$47.28NT$54.69-1.7%135.7M241
2018NT$67.43NT$79.09NT$43.19NT$55.62-17.3%322.9M245
2017NT$31.34NT$77.37NT$30.85NT$67.27+115.7%644.8M243
2016NT$19.83NT$34.31NT$16.82NT$31.19+57.6%257.5M244
2015NT$26.05NT$31.48NT$14.71NT$19.79-23.8%127.8M246
2014NT$26.49NT$32.38NT$23.53NT$25.98-0.0%172M248
2013NT$12.38NT$25.98NT$12.31NT$25.98+112.6%216.8M244
2012NT$11.03NT$18.72NT$10.88NT$12.22+10.8%124.3M248
2011NT$23.79NT$25.14NT$9.85NT$11.03-53.1%124.9M247
2010NT$25.32NT$33.12NT$18.77NT$23.53-7.1%447.9M250
2009NT$5.88NT$26.86NT$5.36NT$25.32+330.8%462.4M249
2008NT$13.42NT$17.42NT$4.55NT$5.88-55.9%2.3B251
2007NT$20.01NT$30.47NT$10.71NT$13.32-32.6%489.6M244
2006NT$6.30NT$28.72NT$6.16NT$19.76+213.7%5.5B248
2005NT$6.39NT$6.76NT$4.48NT$6.30-0.8%219.8M260
2004NT$7.27NT$8.03NT$6.13NT$6.35-12.7%298.2M262
2003NT$3.53NT$7.57NT$3.34NT$7.27+105.9%3.3B261
2002NT$3.91NT$7.61NT$2.78NT$3.53-9.6%16.4B261
2001NT$1.90NT$5.09NT$1.60NT$3.91+106.0%72.2B261
2000NT$7.52NT$12.74NT$1.89NT$1.90n/a22.1B259

2351 monthly closes, last 12 months

MonthMonth end closeChange
September 2026NT$219.50-5.6%
August 2026NT$232.50+60.9%
July 2026NT$144.54-31.5%
June 2026NT$211.10+2.4%
May 2026NT$206.14+34.7%
April 2026NT$152.99+63.1%
March 2026NT$93.78+9.5%
February 2026NT$85.63-2.9%
January 2026NT$88.22+14.4%
December 2025NT$77.09-3.0%
November 2025NT$79.47-6.4%
October 2025NT$84.94+6.2%

About the 2351 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 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 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/2351/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

2351 share price history

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