TWSE · 8341 · stock

Sunny Friend Environmental Technology Co., Ltd. (8341) stock price history

Every TWSE trading session of Sunny Friend Environmental Technology Co., Ltd. from Mar 28, 2014 to Sep 24, 2026: 3,048 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 8341 data, free keyYear by year table

8341 adjusted close, 2014 to 2026

8341Sunny Friend Environmental Technology
NT$74.50+0.5% over one year
201620182020202220242026
NT$201.64
All time high, 2020
NT$91.65
52 week high, NT$69.83 low
3,048
Daily sessions since 2014

Last updated Sep 24, 2026, the last stored session. Refreshes after each trading day. Full 2014 to 2026 series and minute bars.

8341 key facts

  • Sunny Friend Environmental Technology Co., Ltd. (8341) closed at NT$74.50 on Sep 24, 2026 on TWSE.
  • 8341's all time high close is NT$201.64, set on Jul 13, 2020; its all time low close is NT$30.10 on May 29, 2014.
  • 8341's 52 week range is NT$69.83 to NT$91.65.
  • 8341 returned +0.5% over the year to Sep 24, 2026 and -52.3% over five years.
  • Over ten years 8341 returned -9%, -1.0% a year compounded.
  • 8341's deepest drawdown was -69.1% from Jul 13, 2020 to Apr 9, 2025.
  • DataCedar holds 3,048 daily sessions of 8341 history from Mar 28, 2014 and minute bars from Sep 15, 2026, adjusted for splits and dividends, served by the API under a key.

8341 price chart, 2014 to 2026

8341 adjusted close, Mar 28, 2014 to Sep 24, 2026NT$30.26NT$87.34NT$144.42NT$201.502014201620182020202220242026
Adjusted daily close. 260 sampled points across the full history; the API serves every session.

8341 returns

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

PeriodReturn
1 month-2.6%
3 months+0.3%
6 months+2.8%
Year to date+1.2%
1 year+0.5%
3 years-26.6%
5 years-52.3%
10 years-9.1%
Since Mar 28, 2014+121.2%
Compound annual growth, 12.5 years+6.6%

8341 records

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

All time high close
NT$201.64 on Jul 13, 2020
All time low close
NT$30.10 on May 29, 2014
52 week high
NT$91.65 on Jan 14, 2026
52 week low
NT$69.83 on Apr 27, 2026
Deepest drawdown
-69.1% from Jul 13, 2020 to Apr 9, 2025, not yet recovered
Best single session
+13.6% on Jun 5, 2014
Worst single session
-9.9% on Apr 7, 2025
Volatility, 1 year annualised
22.1%
Sessions closing higher, 1 year
42%
Growth of 1 since 2014
2.2×
Best calendar year
2015, +165%
Worst calendar year
2023, -28%

8341 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. 2014 starts on Mar 28, 2014; 2026 runs to Sep 24, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026NT$75.33NT$91.65NT$69.83NT$74.50-0.2%54.8M178
2025NT$77.26NT$83.02NT$62.12NT$74.67-3.5%34M242
2024NT$99.27NT$100.57NT$77.08NT$77.35-22.4%48.6M242
2023NT$139.73NT$144.15NT$89.30NT$99.70-28.2%72.5M239
2022NT$155.68NT$189.28NT$105.60NT$138.93-9.9%83.1M246
2021NT$173.42NT$175.28NT$146.79NT$154.13-10.9%26.7M243
2020NT$168.39NT$202.58NT$131.69NT$173.05+2.8%52.6M245
2019NT$142.67NT$201.50NT$139.51NT$168.39+18.0%60.3M241
2018NT$177.18NT$188.00NT$117.10NT$142.67-18.1%80.9M245
2017NT$75.36NT$186.40NT$75.02NT$174.11+132.1%152.8M243
2016NT$83.36NT$104.11NT$68.05NT$75.02-10.0%249.4M244
2015NT$31.59NT$98.60NT$30.95NT$83.36+165.0%365.3M246
2014NT$33.68NT$38.36NT$29.96NT$31.46n/a33.9M194

8341 monthly closes, last 12 months

MonthMonth end closeChange
September 2026NT$74.50-1.8%
August 2026NT$75.90-0.7%
July 2026NT$76.40+0.7%
June 2026NT$75.90+6.4%
May 2026NT$71.35+0.7%
April 2026NT$70.87-1.7%
March 2026NT$72.11-3.7%
February 2026NT$74.86+2.6%
January 2026NT$72.96-2.3%
December 2025NT$74.67-3.4%
November 2025NT$77.33-1.6%
October 2025NT$78.56+5.7%

About the 8341 data

Daily bars. 3,048 sessions from Mar 28, 2014 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 Mar 28, 2014, 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/8341/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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