TWSE · 3346 · stock

Laster Tech Co., Ltd. (3346) stock price history

Every TWSE trading session of Laster Tech Co., Ltd. from Dec 5, 2012 to Sep 24, 2026: 3,363 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.

3346 adjusted close, 2012 to 2026

3346Laster Tech Co., Ltd.
NT$23.60+1.9% over one year
2014201620182020202220242026
NT$97.81
All time high, 2017
NT$30.73
52 week high, NT$15.11 low
3,363
Daily sessions since 2012

Last updated Sep 24, 2026, the last stored session. Refreshes after each trading day. Full 2012 to 2026 series and minute bars.

3346 key facts

  • Laster Tech Co., Ltd. (3346) closed at NT$23.60 on Sep 24, 2026 on TWSE.
  • 3346's all time high close is NT$97.81, set on Mar 29, 2017; its all time low close is NT$8.09 on Dec 20, 2012.
  • 3346's 52 week range is NT$15.11 to NT$30.73.
  • 3346 returned +1.9% over the year to Sep 24, 2026 and -31.3% over five years.
  • Over ten years 3346 returned -14%, -1.5% a year compounded.
  • 3346's deepest drawdown was -87.2% from Mar 29, 2017 to Mar 23, 2020.
  • DataCedar holds 3,363 daily sessions of 3346 history from Dec 5, 2012 and minute bars from Sep 15, 2026, adjusted for splits and dividends, served by the API under a key.

3346 price chart, 2012 to 2026

3346 adjusted close, Dec 5, 2012 to Sep 24, 2026NT$9.76NT$37.11NT$64.45NT$91.7920122014201620182020202220242026
Adjusted daily close. 260 sampled points across the full history; the API serves every session.

3346 returns

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

PeriodReturn
1 month+17.8%
3 months-5.3%
6 months+26.2%
Year to date+24.9%
1 year+1.9%
3 years-45.3%
5 years-31.3%
10 years-14.4%
Since Dec 5, 2012+67.0%
Compound annual growth, 13.8 years+3.8%

3346 records

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

All time high close
NT$97.81 on Mar 29, 2017
All time low close
NT$8.09 on Dec 20, 2012
52 week high
NT$30.73 on Jul 3, 2026
52 week low
NT$15.11 on May 18, 2026
Deepest drawdown
-87.2% from Mar 29, 2017 to Mar 23, 2020, not yet recovered
Best single session
+23.4% on Dec 24, 2012
Worst single session
-18.9% on Dec 18, 2012
Volatility, 1 year annualised
47.2%
Sessions closing higher, 1 year
41%
Best calendar year
2016, +158%
Worst calendar year
2018, -48%

3346 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. 2012 starts on Dec 5, 2012; 2026 runs to Sep 24, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026NT$19.04NT$30.73NT$15.11NT$23.60+23.9%149.4M178
2025NT$32.60NT$33.93NT$18.00NT$19.04-41.9%69.1M242
2024NT$48.50NT$48.96NT$28.71NT$32.79-31.6%243.1M242
2023NT$31.66NT$52.01NT$30.84NT$47.96+53.7%684.7M239
2022NT$38.95NT$40.57NT$24.22NT$31.21-19.6%319.6M246
2021NT$42.35NT$59.34NT$28.22NT$38.81-9.4%706M243
2020NT$26.50NT$44.97NT$12.40NT$42.83+61.6%586.5M245
2019NT$29.09NT$38.80NT$25.94NT$26.50-6.8%102.7M241
2018NT$54.82NT$62.57NT$23.70NT$28.44-48.1%91.8M245
2017NT$45.14NT$100.82NT$43.94NT$54.82+18.5%376.1M243
2016NT$18.79NT$47.33NT$15.88NT$46.27+158.5%100.3M243
2015NT$16.81NT$21.81NT$13.28NT$17.90+7.1%28.2M246
2014NT$15.00NT$28.73NT$14.29NT$16.72+11.3%38.9M248
2013NT$12.72NT$15.44NT$9.63NT$15.02+15.5%17.1M244
2012NT$14.13NT$16.96NT$7.63NT$13.00n/a018

3346 monthly closes, last 12 months

MonthMonth end closeChange
September 2026NT$23.60+21.1%
August 2026NT$19.49+3.2%
July 2026NT$18.89-30.0%
June 2026NT$27.00+26.6%
May 2026NT$21.33+25.1%
April 2026NT$17.05-5.0%
March 2026NT$17.95-15.1%
February 2026NT$21.13-3.8%
January 2026NT$21.98+15.4%
December 2025NT$19.04-1.5%
November 2025NT$19.34-6.5%
October 2025NT$20.68-7.1%

About the 3346 data

Daily bars. 3,363 sessions from Dec 5, 2012 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 5, 2012, 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/3346/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

3346 share price history

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