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 Sep 24, 2026: 4,614 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$61.40+102.7% over one year
2010201520202025
NT$84.16
All time high, 2026
NT$85.94
52 week high, NT$29.25 low
4,614
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.

8131 key facts

  • Formosa Advanced Technologies Co., Ltd. (8131) closed at NT$61.40 on Sep 24, 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$29.25 to NT$85.94.
  • 8131 returned +102.7% over the year to Sep 24, 2026 and +106.6% over five years.
  • Over ten years 8131 returned +382%, +17.0% a year compounded.
  • 8131's deepest drawdown was -71.7% from Dec 7, 2007 to Nov 24, 2008.
  • DataCedar holds 4,614 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 Sep 24, 2026NT$6.67NT$31.12NT$55.57NT$80.022010201520202025
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 Sep 24, 2026, on adjusted closes.

PeriodReturn
1 month-1.6%
3 months-16.9%
6 months+3.7%
Year to date+5.7%
1 year+102.7%
3 years+71.9%
5 years+106.6%
10 years+382.2%
Since Nov 29, 2007+233.3%
Compound annual growth, 18.8 years+6.6%

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$29.25 on Sep 26, 2025
Deepest drawdown
-71.7% from Dec 7, 2007 to Nov 24, 2008, recovered Mar 17, 2010
Best single session
+10.0% on Aug 4, 2026
Worst single session
-10.0% on Feb 2, 2026
Volatility, 1 year annualised
67.7%
Sessions closing higher, 1 year
51%
Growth of 1 since 2007
3.3×
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 Sep 24, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026NT$66.01NT$85.94NT$50.80NT$61.40-3.8%1.6B178
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%73.2M246
2021NT$28.02NT$33.65NT$26.67NT$30.87+9.4%110.5M243
2020NT$26.33NT$29.54NT$20.23NT$28.20+7.3%167.3M245
2019NT$20.93NT$27.07NT$20.77NT$26.29+25.8%93.7M241
2018NT$19.36NT$26.84NT$17.86NT$20.90+8.5%214.3M245
2017NT$13.45NT$22.98NT$13.02NT$19.27+43.6%197.2M243
2016NT$10.49NT$13.84NT$9.64NT$13.42+27.2%94.1M244
2015NT$11.05NT$12.48NT$8.02NT$10.55-4.5%101.8M246
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%131.6M247
2010NT$18.42NT$22.84NT$13.04NT$14.93-19.1%286.5M250
2009NT$8.01NT$18.93NT$7.05NT$18.45+130.4%608.2M249
2008NT$18.93NT$19.21NT$5.47NT$8.01-58.1%5.1B251
2007NT$19.96NT$20.40NT$17.16NT$19.10n/a34.5M23

8131 monthly closes, last 12 months

MonthMonth end closeChange
September 2026NT$61.40-3.6%
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%
November 2025NT$39.27+4.9%
October 2025NT$37.44+19.5%

About the 8131 data

Daily bars. 4,614 sessions from Nov 29, 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 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 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/8131/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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