TWSE · 4912 · stock

Lemtech Holdings Co., Limited (4912) stock price history

Every TWSE trading session of Lemtech Holdings Co., Limited from May 16, 2011 to Sep 24, 2026: 3,756 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 4912 data, free keyYear by year table

4912 adjusted close, 2011 to 2026

4912Lemtech Holdings Co., Limited
NT$96.80+25.6% over one year
201520202025
NT$158.65
All time high, 2021
NT$115.02
52 week high, NT$74.25 low
3,756
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.

4912 key facts

  • Lemtech Holdings Co., Limited (4912) closed at NT$96.80 on Sep 24, 2026 on TWSE.
  • 4912's all time high close is NT$158.65, set on Apr 29, 2021; its all time low close is NT$8.72 on Dec 20, 2011.
  • 4912's 52 week range is NT$74.25 to NT$115.02.
  • 4912 returned +25.6% over the year to Sep 24, 2026 and -30.5% over five years.
  • Over ten years 4912 returned +125%, +8.5% a year compounded.
  • 4912's deepest drawdown was -71.5% from Sep 6, 2017 to Mar 16, 2020.
  • DataCedar holds 3,756 daily sessions of 4912 history from May 16, 2011 and minute bars from Sep 15, 2026, adjusted for splits and dividends, served by the API under a key.

4912 price chart, 2011 to 2026

4912 adjusted close, May 16, 2011 to Sep 24, 2026NT$9.29NT$23.43NT$59.11NT$149.1220122014201620182020202220242026
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

4912 returns

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

PeriodReturn
1 month+8.6%
3 months+10.3%
6 months+9.5%
Year to date+9.8%
1 year+25.6%
3 years+23.9%
5 years-30.5%
10 years+125.3%
Since May 16, 2011+665.3%
Compound annual growth, 15.4 years+14.2%

4912 records

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

All time high close
NT$158.65 on Apr 29, 2021
All time low close
NT$8.72 on Dec 20, 2011
52 week high
NT$115.02 on Jun 1, 2026
52 week low
NT$74.25 on Nov 5, 2025
Deepest drawdown
-71.5% from Sep 6, 2017 to Mar 16, 2020, recovered Apr 8, 2021
Best single session
+10.0% on Apr 18, 2017
Worst single session
-10.0% on Apr 26, 2022
Volatility, 1 year annualised
51.4%
Sessions closing higher, 1 year
45%
Growth of 1 since 2011
7.7×
Best calendar year
2012, +178%
Worst calendar year
2022, -49%

4912 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 May 16, 2011; 2026 runs to Sep 24, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026NT$97.32NT$115.02NT$74.38NT$96.80+1.8%130.2M178
2025NT$148.07NT$157.79NT$69.50NT$95.06-35.8%109.1M242
2024NT$73.47NT$153.16NT$69.58NT$148.07+99.8%149.9M242
2023NT$70.02NT$86.47NT$60.30NT$74.11+5.4%28.3M239
2022NT$137.95NT$159.08NT$55.14NT$70.29-49.0%67.8M246
2021NT$80.41NT$158.65NT$80.41NT$137.95+73.1%171.9M243
2020NT$77.83NT$114.73NT$38.56NT$79.69+4.3%118.3M245
2019NT$87.80NT$98.95NT$64.92NT$76.42-11.8%37.4M241
2018NT$79.22NT$136.98NT$60.55NT$86.65+9.4%159.5M245
2017NT$43.69NT$149.39NT$43.02NT$79.22+81.3%162M243
2016NT$44.89NT$49.53NT$37.67NT$43.69-2.6%32.5M244
2015NT$31.70NT$51.80NT$27.86NT$44.84+42.1%170.9M246
2014NT$23.72NT$36.33NT$22.02NT$31.56+33.1%132.7M248
2013NT$25.52NT$30.09NT$20.60NT$23.72-6.3%138.8M244
2012NT$9.10NT$30.27NT$9.08NT$25.31+178.2%111.9M248
2011NT$13.05NT$13.16NT$8.72NT$9.10n/a14.1M162

4912 monthly closes, last 12 months

MonthMonth end closeChange
September 2026NT$96.80-0.8%
August 2026NT$97.59+19.6%
July 2026NT$81.62-4.9%
June 2026NT$85.79-24.1%
May 2026NT$113.05+40.8%
April 2026NT$80.32-8.3%
March 2026NT$87.59-9.5%
February 2026NT$96.83+10.4%
January 2026NT$87.69-7.8%
December 2025NT$95.06+14.2%
November 2025NT$83.26+6.1%
October 2025NT$78.46+2.3%

About the 4912 data

Daily bars. 3,756 sessions from May 16, 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 May 16, 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/4912/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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