TWSE · 8131 · stock

Formosa Advanced Technologies Co., Ltd. (8131) stock price history

Every TWSE trading session of Formosa Advanced Technologies Co., Ltd. from Nov 29, 2007 to Nov 12, 2026: 4,607 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 8131 data, free keyYear by year table

8131 adjusted close, 2007 to 2026

8131Formosa Advanced Technologies Co., Ltd.
NT$53.20+16.8% over one year
2010201520202025
NT$84.16
All time high, 2026
NT$85.94
52 week high, NT$37.34 low
4,607
Daily sessions since 2007

Last updated Nov 12, 2026, the last stored session. Refreshes after each trading day. Full 2007 to 2026 series and minute bars.

8131 key facts

  • Formosa Advanced Technologies Co., Ltd. (8131) closed at NT$53.20 on Nov 12, 2026 on TWSE.
  • 8131's all time high close is NT$84.16, set on Jan 26, 2026; its all time low close is NT$5.73 on Nov 24, 2008.
  • 8131's 52 week range is NT$37.34 to NT$85.94.
  • 8131 returned +16.8% over the year to Nov 12, 2026 and +71.7% over five years.
  • Over ten years 8131 returned +323%, +15.5% a year compounded.
  • 8131's deepest drawdown was -71.7% from Dec 7, 2007 to Nov 24, 2008.
  • DataCedar holds 4,607 daily sessions of 8131 history from Nov 29, 2007 and minute bars from Sep 15, 2026, adjusted for splits and dividends, served by the API under a key.

8131 price chart, 2007 to 2026

8131 adjusted close, Nov 29, 2007 to Nov 12, 2026NT$6.84NT$28.64NT$50.43NT$72.222010201520202025
Adjusted daily close. 260 sampled points across the full history; the API serves every session.

8131 returns

Price return from the last close on or before the window start to Nov 12, 2026, on adjusted closes.

PeriodReturn
1 month-21.3%
3 months-17.0%
6 months-19.5%
Year to date-8.5%
1 year+16.8%
3 years+48.9%
5 years+71.7%
10 years+322.5%
Since Nov 29, 2007+188.8%
Compound annual growth, 19.0 years+5.8%

8131 records

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

All time high close
NT$84.16 on Jan 26, 2026
All time low close
NT$5.73 on Nov 24, 2008
52 week high
NT$85.94 on Jul 7, 2026
52 week low
NT$37.34 on Nov 24, 2025
Deepest drawdown
-71.7% from Dec 7, 2007 to Nov 24, 2008, recovered Mar 17, 2010
Best single session
+10.7% on Oct 31, 2008
Worst single session
-10.3% on Mar 17, 2020
Volatility, 1 year annualised
69.0%
Sessions closing higher, 1 year
49%
Growth of 1 since 2007
2.9×
Best calendar year
2025, +142%
Worst calendar year
2008, -58%

8131 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 Nov 29, 2007; 2026 runs to Nov 12, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026NT$66.01NT$85.94NT$46.80NT$53.20-16.7%1.6B206
2025NT$26.35NT$63.84NT$21.81NT$63.84+141.8%866.8M242
2024NT$35.63NT$36.55NT$26.03NT$26.40-25.9%87.3M242
2023NT$32.10NT$38.33NT$32.06NT$35.63+10.1%82.3M239
2022NT$30.87NT$33.91NT$28.58NT$32.35+4.8%72.2M243
2021NT$28.02NT$33.65NT$26.67NT$30.87+9.4%109M240
2020NT$26.33NT$29.54NT$20.23NT$28.20+7.3%164.6M243
2019NT$20.93NT$27.07NT$20.77NT$26.29+25.8%92.7M238
2018NT$19.36NT$26.84NT$17.86NT$20.90+8.5%213.3M244
2017NT$13.45NT$22.98NT$13.02NT$19.27+43.6%195M238
2016NT$10.49NT$13.84NT$9.64NT$13.42+27.2%92.3M235
2015NT$11.05NT$12.48NT$8.02NT$10.55-4.5%101.5M245
2014NT$8.27NT$13.25NT$8.12NT$11.05+34.4%199.3M248
2013NT$7.80NT$10.56NT$7.32NT$8.22+5.7%142.9M244
2012NT$9.74NT$14.80NT$6.66NT$7.77-20.2%102.7M248
2011NT$14.93NT$18.07NT$8.94NT$9.74-34.7%131.5M246
2010NT$18.42NT$22.84NT$13.04NT$14.93-19.1%285.8M249
2009NT$8.01NT$18.93NT$7.05NT$18.45+130.4%608.2M249
2008NT$18.93NT$19.21NT$5.47NT$8.01-58.1%5.1B245
2007NT$19.96NT$20.40NT$17.16NT$19.10n/a34.5M23

8131 monthly closes, last 12 months

MonthMonth end closeChange
November 2026NT$53.20-9.5%
October 2026NT$58.80-6.1%
September 2026NT$62.60-1.7%
August 2026NT$63.70+13.3%
July 2026NT$56.20-20.9%
June 2026NT$71.04-2.0%
May 2026NT$72.52+20.9%
April 2026NT$59.99+4.5%
March 2026NT$57.42-18.5%
February 2026NT$70.45-9.6%
January 2026NT$77.95+22.1%
December 2025NT$63.84+62.6%

About the 8131 data

Daily bars. 4,607 sessions from Nov 29, 2007 to Nov 12, 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 Nov 11, 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 Nov 29, 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/twse%3A8131/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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