TWSE · 3504 · stock

Young Optics Inc. (3504) stock price history

Every TWSE trading session of Young Optics Inc. from Jan 26, 2007 to Sep 24, 2026: 4,817 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 3504 data, free keyYear by year table

3504 adjusted close, 2007 to 2026

3504Young Optics Inc.
NT$78.50+27.0% over one year
2010201520202025
NT$254.62
All time high, 2010
NT$97.80
52 week high, NT$46.90 low
4,817
Daily sessions since 2007

Last updated Sep 24, 2026, the last stored session. Refreshes after each trading day. Full 2007 to 2026 series and minute bars.

3504 key facts

  • Young Optics Inc. (3504) closed at NT$78.50 on Sep 24, 2026 on TWSE.
  • 3504's all time high close is NT$254.62, set on Jan 18, 2010; its all time low close is NT$22.06 on Jan 28, 2008.
  • 3504's 52 week range is NT$46.90 to NT$97.80.
  • 3504 returned +27.0% over the year to Sep 24, 2026 and -25.2% over five years.
  • Over ten years 3504 returned +174%, +10.6% a year compounded.
  • 3504's deepest drawdown was -90.6% from Jan 18, 2010 to Nov 9, 2016.
  • DataCedar holds 4,817 daily sessions of 3504 history from Jan 26, 2007 and minute bars from Sep 15, 2026, adjusted for splits and dividends, served by the API under a key.

3504 price chart, 2007 to 2026

3504 adjusted close, Jan 26, 2007 to Sep 24, 2026NT$22.20NT$88.29NT$154.37NT$220.452010201520202025
Adjusted daily close. 260 sampled points across the full history; the API serves every session.

3504 returns

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

PeriodReturn
1 month+0.6%
3 months-10.6%
6 months+41.4%
Year to date+53.6%
1 year+27.0%
3 years+24.4%
5 years-25.2%
10 years+174.5%
Since Jan 26, 2007+56.2%
Compound annual growth, 19.7 years+2.3%

3504 records

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

All time high close
NT$254.62 on Jan 18, 2010
All time low close
NT$22.06 on Jan 28, 2008
52 week high
NT$97.80 on Jun 17, 2026
52 week low
NT$46.90 on Nov 21, 2025
Deepest drawdown
-90.6% from Jan 18, 2010 to Nov 9, 2016, not yet recovered
Best single session
+14.7% on Aug 17, 2011
Worst single session
-19.6% on Jun 12, 2007
Volatility, 1 year annualised
58.0%
Sessions closing higher, 1 year
47%
Best calendar year
2009, +620%
Worst calendar year
2011, -63%

3504 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. 2007 starts on Jan 26, 2007; 2026 runs to Sep 24, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026NT$50.50NT$97.80NT$50.00NT$78.50+55.1%381M178
2025NT$67.90NT$78.00NT$39.65NT$50.60-18.1%188.8M242
2024NT$69.50NT$77.00NT$45.30NT$61.80-8.6%163.8M242
2023NT$75.80NT$93.60NT$54.00NT$67.60-10.8%233.2M239
2022NT$118.00NT$119.50NT$58.50NT$75.80-35.5%1.1B246
2021NT$60.70NT$154.00NT$53.00NT$117.50+93.6%1.2B243
2020NT$84.10NT$84.70NT$37.00NT$60.70-27.4%155.1M245
2019NT$74.11NT$123.36NT$66.45NT$83.60+14.8%854.8M241
2018NT$50.54NT$168.12NT$48.84NT$72.82+44.1%1.6B245
2017NT$25.91NT$86.25NT$25.17NT$50.54+95.4%694M243
2016NT$34.89NT$40.95NT$23.53NT$25.86-26.0%73M244
2015NT$53.17NT$67.28NT$24.63NT$34.94-34.3%145.8M246
2014NT$54.24NT$69.42NT$43.95NT$53.17-4.7%134.8M248
2013NT$74.92NT$79.10NT$45.73NT$55.80-24.5%202.3M244
2012NT$55.69NT$119.95NT$52.69NT$73.86+32.6%422.1M248
2011NT$151.22NT$154.97NT$45.92NT$55.69-62.9%362.9M247
2010NT$213.95NT$261.13NT$105.81NT$149.97-29.6%593.5M250
2009NT$29.59NT$226.96NT$29.59NT$213.13+620.3%466.2M249
2008NT$26.87NT$46.19NT$20.98NT$29.59+10.4%2.3B251
2007NT$43.96NT$69.13NT$22.57NT$26.79n/a3.4B226

3504 monthly closes, last 12 months

MonthMonth end closeChange
September 2026NT$78.50-13.1%
August 2026NT$90.30+31.8%
July 2026NT$68.50-14.6%
June 2026NT$80.20+3.1%
May 2026NT$77.80+22.9%
April 2026NT$63.30+25.6%
March 2026NT$50.40-21.9%
February 2026NT$64.50+19.0%
January 2026NT$54.20+7.1%
December 2025NT$50.60+2.2%
November 2025NT$49.50-9.7%
October 2025NT$54.80-8.4%

About the 3504 data

Daily bars. 4,817 sessions from Jan 26, 2007 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 Jan 26, 2007, 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/3504/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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