TWSE · 3312 · stock

GMI Technology Inc. (3312) stock price history

Every TWSE trading session of GMI Technology Inc. from Dec 29, 2011 to Sep 24, 2026: 3,596 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 3312 data, free keyYear by year table

3312 adjusted close, 2011 to 2026

3312GMI Technology Inc.
NT$50.50+16.7% over one year
201520202025
NT$100.64
All time high, 2024
NT$71.39
52 week high, NT$30.72 low
3,596
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.

3312 key facts

  • GMI Technology Inc. (3312) closed at NT$50.50 on Sep 24, 2026 on TWSE.
  • 3312's all time high close is NT$100.64, set on Jul 11, 2024; its all time low close is NT$2.90 on May 13, 2016.
  • 3312's 52 week range is NT$30.72 to NT$71.39.
  • 3312 returned +16.7% over the year to Sep 24, 2026 and +233.9% over five years.
  • Over ten years 3312 returned +1,103%, +28.2% a year compounded.
  • 3312's deepest drawdown was -69.3% from Jul 11, 2024 to Mar 9, 2026.
  • DataCedar holds 3,596 daily sessions of 3312 history from Dec 29, 2011 and minute bars from Sep 15, 2026, adjusted for splits and dividends, served by the API under a key.

3312 price chart, 2011 to 2026

3312 adjusted close, Dec 29, 2011 to Sep 24, 2026NT$2.94NT$9.05NT$27.88NT$85.9220122014201620182020202220242026
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

3312 returns

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

PeriodReturn
1 month+1.5%
3 months-17.2%
6 months+46.1%
Year to date+46.7%
1 year+16.7%
3 years+189.8%
5 years+233.9%
10 years+1,103%
Since Dec 29, 2011+1,204%
Compound annual growth, 14.7 years+19.0%

3312 records

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

All time high close
NT$100.64 on Jul 11, 2024
All time low close
NT$2.90 on May 13, 2016
52 week high
NT$71.39 on Jun 4, 2026
52 week low
NT$30.72 on Mar 9, 2026
Deepest drawdown
-69.3% from Jul 11, 2024 to Mar 9, 2026, not yet recovered
Best single session
+25.7% on Apr 10, 2018
Worst single session
-10.0% on Aug 24, 2015
Volatility, 1 year annualised
56.9%
Sessions closing higher, 1 year
46%
Growth of 1 since 2011
13.0×
Best calendar year
2024, +151%
Worst calendar year
2015, -35%

3312 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 Dec 29, 2011; 2026 runs to Sep 24, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026NT$34.43NT$71.39NT$30.72NT$50.50+48.6%492M178
2025NT$51.11NT$61.14NT$33.65NT$33.99-33.4%511M242
2024NT$20.45NT$102.97NT$20.27NT$51.01+150.5%2.5B242
2023NT$14.57NT$21.43NT$14.48NT$20.36+39.8%136.7M239
2022NT$18.48NT$21.31NT$13.34NT$14.57-20.5%185.3M246
2021NT$9.72NT$21.65NT$9.52NT$18.33+88.6%551.7M243
2020NT$10.05NT$10.18NT$6.10NT$9.72-3.0%130.6M245
2019NT$5.83NT$11.31NT$5.64NT$10.02+73.5%369.1M241
2018NT$3.76NT$7.83NT$3.54NT$5.78+53.8%255M245
2017NT$3.98NT$4.27NT$3.06NT$3.76-4.8%77M243
2016NT$3.57NT$4.68NT$2.82NT$3.95+10.5%82.3M244
2015NT$5.53NT$6.77NT$3.20NT$3.57-35.2%107.7M246
2014NT$6.09NT$6.81NT$4.66NT$5.51-9.5%113.9M248
2013NT$4.37NT$6.27NT$4.21NT$6.09+40.5%145.6M244
2012NT$3.91NT$6.10NT$3.88NT$4.33+10.8%120M248
2011NT$3.80NT$3.95NT$3.80NT$3.91n/a435.4K2

3312 monthly closes, last 12 months

MonthMonth end closeChange
September 2026NT$50.50+0.7%
August 2026NT$50.13+19.3%
July 2026NT$42.03-27.7%
June 2026NT$58.13+19.0%
May 2026NT$48.86+22.8%
April 2026NT$39.79+18.8%
March 2026NT$33.50-10.0%
February 2026NT$37.21-3.9%
January 2026NT$38.72+13.9%
December 2025NT$33.99-5.0%
November 2025NT$35.79-5.9%
October 2025NT$38.04-7.3%

About the 3312 data

Daily bars. 3,596 sessions from Dec 29, 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 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 29, 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/3312/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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