TWSE · 1434 · stock

Formosa Taffeta Co., Ltd. (1434) stock price history

Every TWSE trading session of Formosa Taffeta Co., Ltd. from Jan 4, 2000 to Sep 24, 2026: 6,647 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 1434 data, free keyYear by year table

1434 adjusted close, 2000 to 2026

1434Formosa Taffeta Co., Ltd.
NT$17.95+22.0% over one year
20052010201520202025
NT$29.79
All time high, 2020
NT$21.00
52 week high, NT$14.03 low
6,647
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.

1434 key facts

  • Formosa Taffeta Co., Ltd. (1434) closed at NT$17.95 on Sep 24, 2026 on TWSE.
  • 1434's all time high close is NT$29.79, set on Jun 19, 2020; its all time low close is NT$1.95 on Sep 21, 2001.
  • 1434's 52 week range is NT$14.03 to NT$21.00.
  • 1434 returned +22.0% over the year to Sep 24, 2026 and -25.4% over five years.
  • Over ten years 1434 returned -6%, -0.6% a year compounded.
  • 1434's deepest drawdown was -62.5% from Feb 17, 2000 to Sep 21, 2001.
  • DataCedar holds 6,647 daily sessions of 1434 history from Jan 4, 2000 and minute bars from Sep 15, 2026, adjusted for splits and dividends, served by the API under a key.

1434 price chart, 2000 to 2026

1434 adjusted close, Jan 4, 2000 to Sep 24, 2026NT$2.05NT$4.88NT$11.62NT$27.66200020052010201520202025
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

1434 returns

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

PeriodReturn
1 month+1.1%
3 months+8.7%
6 months+12.7%
Year to date+16.2%
1 year+22.0%
3 years-22.5%
5 years-25.4%
10 years-5.9%
Since Jan 4, 2000+406.4%
Compound annual growth, 26.7 years+6.3%

1434 records

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

All time high close
NT$29.79 on Jun 19, 2020
All time low close
NT$1.95 on Sep 21, 2001
52 week high
NT$21.00 on Jul 23, 2026
52 week low
NT$14.03 on Nov 5, 2025
Deepest drawdown
-62.5% from Feb 17, 2000 to Sep 21, 2001, recovered Oct 1, 2004
Best single session
+11.8% on Sep 4, 2000
Worst single session
-9.9% on Apr 7, 2025
Volatility, 1 year annualised
27.7%
Sessions closing higher, 1 year
43%
Growth of 1 since 2000
5.1×
Best calendar year
2009, +63%
Worst calendar year
2008, -41%

1434 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 Jan 4, 2000; 2026 runs to Sep 24, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026NT$15.59NT$21.00NT$14.42NT$17.95+15.9%643.2M178
2025NT$16.94NT$18.43NT$13.69NT$15.49-9.1%360.8M242
2024NT$22.88NT$22.97NT$16.90NT$17.04-25.5%276.9M242
2023NT$22.93NT$24.39NT$22.67NT$22.88-0.4%258.1M239
2022NT$24.26NT$24.39NT$21.24NT$22.97-4.6%382.5M246
2021NT$24.87NT$27.63NT$23.07NT$24.09-3.1%751.6M243
2020NT$25.50NT$29.79NT$19.76NT$24.87-2.5%962.5M245
2019NT$24.42NT$28.80NT$23.72NT$25.50+4.6%382.4M241
2018NT$20.85NT$26.79NT$20.02NT$24.39+17.0%390.2M245
2017NT$18.66NT$21.32NT$18.56NT$20.85+11.4%277.2M243
2016NT$18.31NT$19.99NT$16.48NT$18.72+2.2%251.1M244
2015NT$17.94NT$22.14NT$15.87NT$18.31+0.1%330.6M246
2014NT$20.37NT$20.37NT$16.17NT$18.29-10.3%351.4M248
2013NT$15.20NT$22.01NT$14.65NT$20.40+33.3%521.3M244
2012NT$14.63NT$15.72NT$13.04NT$15.31+4.6%225.9M248
2011NT$14.04NT$17.25NT$12.49NT$14.63+4.9%572.1M247
2010NT$12.30NT$14.41NT$10.19NT$13.94+13.3%472.4M250
2009NT$7.55NT$12.35NT$6.75NT$12.30+63.1%2.4B249
2008NT$12.78NT$14.13NT$6.95NT$7.55-41.0%10.8B251
2007NT$9.33NT$16.77NT$8.67NT$12.78+37.3%1.4B244
2006NT$5.79NT$9.61NT$5.34NT$9.31+60.7%22.9B248
2005NT$5.10NT$5.98NT$4.73NT$5.79+14.3%33B260
2004NT$4.17NT$5.35NT$3.76NT$5.07+21.6%1.5B262
2003NT$3.83NT$4.69NT$3.11NT$4.17+8.9%1.2B261
2002NT$2.37NT$4.11NT$2.37NT$3.83+61.7%32.8B261
2001NT$3.26NT$3.45NT$1.95NT$2.37-27.4%38.5B261
2000NT$3.51NT$5.33NT$2.42NT$3.26n/a2.7B259

1434 monthly closes, last 12 months

MonthMonth end closeChange
September 2026NT$17.95-1.1%
August 2026NT$18.15+5.2%
July 2026NT$17.25+4.4%
June 2026NT$16.52+9.7%
May 2026NT$15.05-2.8%
April 2026NT$15.49-3.6%
March 2026NT$16.08-9.8%
February 2026NT$17.83+9.9%
January 2026NT$16.22+4.7%
December 2025NT$15.49+1.0%
November 2025NT$15.35+5.7%
October 2025NT$14.52-2.0%

About the 1434 data

Daily bars. 6,647 sessions from Jan 4, 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 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 Jan 4, 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/1434/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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