TWSE · 6426 · stock

Apogee Optocom Co., Ltd. (6426) stock price history

Every TWSE trading session of Apogee Optocom Co., Ltd. from Oct 18, 2013 to Sep 24, 2026: 3,155 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.

6426 adjusted close, 2013 to 2026

6426Apogee Optocom Co., Ltd.
NT$389.00+431.0% over one year
201620182020202220242026
NT$391.50
All time high, 2026
NT$412.00
52 week high, NT$64.28 low
3,155
Daily sessions since 2013

Last updated Sep 24, 2026, the last stored session. Refreshes after each trading day. Full 2013 to 2026 series and minute bars.

6426 key facts

  • Apogee Optocom Co., Ltd. (6426) closed at NT$389.00 on Sep 24, 2026 on TWSE.
  • 6426's all time high close is NT$391.50, set on Sep 23, 2026; its all time low close is NT$18.09 on Aug 24, 2015.
  • 6426's 52 week range is NT$64.28 to NT$412.00.
  • 6426 returned +431.0% over the year to Sep 24, 2026 and +600.7% over five years.
  • Over ten years 6426 returned +1,269%, +29.9% a year compounded.
  • 6426's deepest drawdown was -82.8% from May 19, 2017 to Oct 12, 2018.
  • DataCedar holds 3,155 daily sessions of 6426 history from Oct 18, 2013 and minute bars from Sep 15, 2026, adjusted for splits and dividends, served by the API under a key.

6426 price chart, 2013 to 2026

6426 adjusted close, Oct 18, 2013 to Sep 24, 2026NT$21.18NT$55.88NT$147.44NT$389.002014201620182020202220242026
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

6426 returns

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

PeriodReturn
1 month+63.4%
3 months+84.3%
6 months+168.8%
Year to date+287.8%
1 year+431.0%
3 years+433.9%
5 years+600.7%
10 years+1,269%
Since Oct 18, 2013+1,120%
Compound annual growth, 12.9 years+21.3%

6426 records

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

All time high close
NT$391.50 on Sep 23, 2026
All time low close
NT$18.09 on Aug 24, 2015
52 week high
NT$412.00 on Sep 24, 2026
52 week low
NT$64.28 on Nov 21, 2025
Deepest drawdown
-82.8% from May 19, 2017 to Oct 12, 2018, recovered Feb 24, 2026
Best single session
+20.0% on Oct 30, 2014
Worst single session
-17.5% on Mar 16, 2020
Volatility, 1 year annualised
82.7%
Sessions closing higher, 1 year
53%
Growth of 1 since 2013
12.2×
Best calendar year
2019, +142%
Worst calendar year
2020, -31%

6426 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. 2013 starts on Oct 18, 2013; 2026 runs to Sep 24, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026NT$101.31NT$412.00NT$86.64NT$389.00+298.1%442.6M178
2025NT$84.78NT$110.30NT$49.98NT$97.72+15.0%194M242
2024NT$73.06NT$113.04NT$50.25NT$84.98+16.5%154.9M242
2023NT$56.64NT$97.34NT$54.17NT$72.96+28.8%117M239
2022NT$71.57NT$89.81NT$49.37NT$56.64-20.9%63.7M246
2021NT$101.59NT$108.63NT$48.82NT$71.57-29.5%54M243
2020NT$148.02NT$153.22NT$58.60NT$101.59-30.6%425.3M245
2019NT$60.04NT$159.71NT$52.25NT$146.29+142.0%370.4M241
2018NT$71.11NT$75.69NT$27.99NT$60.45-13.1%155.6M245
2017NT$46.80NT$183.90NT$45.15NT$69.59+49.4%416.6M243
2016NT$27.85NT$47.36NT$23.50NT$46.57+66.3%20.9M244
2015NT$38.41NT$38.48NT$17.37NT$28.00-26.6%49.3M246
2014NT$30.05NT$59.53NT$27.18NT$38.12+26.9%32.6M248
2013NT$31.88NT$38.44NT$27.86NT$30.05n/a898.6K53

6426 monthly closes, last 12 months

MonthMonth end closeChange
September 2026NT$389.00+49.3%
August 2026NT$260.52+72.8%
July 2026NT$150.72-21.4%
June 2026NT$191.64-28.1%
May 2026NT$266.51+19.5%
April 2026NT$223.09+64.3%
March 2026NT$135.75-29.0%
February 2026NT$191.15+56.3%
January 2026NT$122.27+25.1%
December 2025NT$97.72+28.1%
November 2025NT$76.26-0.7%
October 2025NT$76.76+6.8%

About the 6426 data

Daily bars. 3,155 sessions from Oct 18, 2013 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 Oct 18, 2013, 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/6426/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

6426 share price history

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