TWSE · 4306 · stock

Yem Chio Co., Ltd. (4306) stock price history

Every TWSE trading session of Yem Chio Co., Ltd. from Apr 19, 2000 to Sep 24, 2026: 6,571 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 4306 data, free keyYear by year table

4306 adjusted close, 2000 to 2026

4306Yem Chio Co., Ltd.
NT$14.50+8.1% over one year
20052010201520202025
NT$19.66
All time high, 2024
NT$16.09
52 week high, NT$12.13 low
6,571
Daily sessions since 2000

Last updated Sep 24, 2026, the last stored session. Refreshes after each trading day. Full 2000 to 2026 series and minute bars.

4306 key facts

  • Yem Chio Co., Ltd. (4306) closed at NT$14.50 on Sep 24, 2026 on TWSE.
  • 4306's all time high close is NT$19.66, set on Aug 1, 2024; its all time low close is NT$1.46 on May 4, 2000.
  • 4306's 52 week range is NT$12.13 to NT$16.09.
  • 4306 returned +8.1% over the year to Sep 24, 2026 and +27.5% over five years.
  • Over ten years 4306 returned +108%, +7.6% a year compounded.
  • 4306's deepest drawdown was -53.5% from Feb 12, 2014 to Mar 19, 2020.
  • DataCedar holds 6,571 daily sessions of 4306 history from Apr 19, 2000 and minute bars from Sep 15, 2026, adjusted for splits and dividends, served by the API under a key.

4306 price chart, 2000 to 2026

4306 adjusted close, Apr 19, 2000 to Sep 24, 2026NT$1.52NT$3.49NT$7.99NT$18.32200020052010201520202025
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

4306 returns

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

PeriodReturn
1 month-4.6%
3 months-4.8%
6 months+14.6%
Year to date+6.2%
1 year+8.1%
3 years+11.1%
5 years+27.5%
10 years+108.0%
Since Apr 19, 2000+686.3%
Compound annual growth, 26.4 years+8.1%

4306 records

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

All time high close
NT$19.66 on Aug 1, 2024
All time low close
NT$1.46 on May 4, 2000
52 week high
NT$16.09 on Jul 6, 2026
52 week low
NT$12.13 on Nov 5, 2025
Deepest drawdown
-53.5% from Feb 12, 2014 to Mar 19, 2020, recovered Mar 22, 2023
Best single session
+69.7% on Jan 21, 2008
Worst single session
-13.5% on Nov 15, 2001
Volatility, 1 year annualised
20.2%
Sessions closing higher, 1 year
37%
Growth of 1 since 2000
7.9×
Best calendar year
2009, +87%
Worst calendar year
2015, -33%

4306 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. 2000 starts on Apr 19, 2000; 2026 runs to Sep 24, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026NT$13.56NT$16.09NT$12.41NT$14.50+6.9%250.3M178
2025NT$15.02NT$16.29NT$12.13NT$13.56-10.2%257M242
2024NT$14.94NT$19.92NT$13.81NT$15.11+2.0%956.5M242
2023NT$11.33NT$15.61NT$11.14NT$14.81+31.1%339.4M239
2022NT$11.34NT$11.96NT$10.00NT$11.30-0.1%193.7M246
2021NT$10.37NT$13.07NT$8.74NT$11.30+9.0%1.2B243
2020NT$7.71NT$10.91NT$5.63NT$10.37+34.4%570.4M245
2019NT$8.33NT$8.60NT$6.80NT$7.71-6.1%242.9M241
2018NT$8.28NT$12.36NT$7.37NT$8.22-0.7%877.6M245
2017NT$6.92NT$8.56NT$6.75NT$8.28+19.7%147.1M243
2016NT$6.62NT$7.99NT$6.24NT$6.92+3.6%93.5M244
2015NT$9.94NT$10.03NT$6.28NT$6.68-32.8%231.2M246
2014NT$12.06NT$12.82NT$9.15NT$9.94-17.6%284.8M248
2013NT$9.12NT$12.69NT$9.10NT$12.06+32.6%437.4M244
2012NT$8.94NT$11.79NT$8.71NT$9.10+1.8%455.8M248
2011NT$10.60NT$11.81NT$8.59NT$8.94-15.7%858.6M247
2010NT$7.29NT$11.24NT$6.51NT$10.60+45.5%1.5B250
2009NT$3.90NT$7.66NT$3.74NT$7.29+86.9%4.3B249
2008NT$2.50NT$7.07NT$2.50NT$3.90+56.1%15.1B251
2007NT$2.39NT$2.50NT$2.39NT$2.50+4.3%0244
2006NT$2.32NT$2.39NT$2.32NT$2.39+3.3%0248
2005NT$2.25NT$2.32NT$2.25NT$2.32+3.1%0260
2004NT$2.13NT$2.25NT$2.13NT$2.25+5.4%0262
2003NT$1.82NT$2.13NT$1.82NT$2.13+17.0%0261
2002NT$1.68NT$1.82NT$1.68NT$1.82+8.8%0261
2001NT$1.82NT$1.94NT$1.68NT$1.68-8.1%0261
2000NT$1.84NT$2.40NT$1.37NT$1.82n/a5.6M183

4306 monthly closes, last 12 months

MonthMonth end closeChange
September 2026NT$14.50-3.7%
August 2026NT$15.05+4.9%
July 2026NT$14.35-5.5%
June 2026NT$15.18+13.2%
May 2026NT$13.42+6.4%
April 2026NT$12.60-3.3%
March 2026NT$13.030.0%
February 2026NT$13.03+1.1%
January 2026NT$12.89-4.9%
December 2025NT$13.56+4.4%
November 2025NT$12.99+2.6%
October 2025NT$12.65-6.4%

About the 4306 data

Daily bars. 6,571 sessions from Apr 19, 2000 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 Apr 19, 2000, 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/4306/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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