TWSE · 3305 · stock

Shenmao Technology Inc (3305) stock price history

Every TWSE trading session of Shenmao Technology Inc from Jul 10, 2008 to Sep 24, 2026: 4,464 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.

3305 adjusted close, 2008 to 2026

3305Shenmao Technology Inc
NT$103.00-4.1% over one year
2010201520202025
NT$164.30
All time high, 2026
NT$166.26
52 week high, NT$88.97 low
4,464
Daily sessions since 2008

Last updated Sep 24, 2026, the last stored session. Refreshes after each trading day. Full 2008 to 2026 series and minute bars.

3305 key facts

  • Shenmao Technology Inc (3305) closed at NT$103.00 on Sep 24, 2026 on TWSE.
  • 3305's all time high close is NT$164.30, set on Jun 1, 2026; its all time low close is NT$7.37 on Nov 20, 2008.
  • 3305's 52 week range is NT$88.97 to NT$166.26.
  • 3305 returned -4.1% over the year to Sep 24, 2026 and +120.6% over five years.
  • Over ten years 3305 returned +426%, +18.1% a year compounded.
  • 3305's deepest drawdown was -64.4% from Sep 3, 2009 to Aug 24, 2015.
  • DataCedar holds 4,464 daily sessions of 3305 history from Jul 10, 2008 and minute bars from Sep 15, 2026, adjusted for splits and dividends, served by the API under a key.

3305 price chart, 2008 to 2026

3305 adjusted close, Jul 10, 2008 to Sep 24, 2026NT$7.80NT$21.37NT$58.54NT$160.382010201520202025
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

3305 returns

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

PeriodReturn
1 month-4.2%
3 months-23.9%
6 months+5.0%
Year to date-0.5%
1 year-4.1%
3 years+86.5%
5 years+120.6%
10 years+426.2%
Since Jul 10, 2008+525.3%
Compound annual growth, 18.2 years+10.6%

3305 records

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

All time high close
NT$164.30 on Jun 1, 2026
All time low close
NT$7.37 on Nov 20, 2008
52 week high
NT$166.26 on May 27, 2026
52 week low
NT$88.97 on Nov 21, 2025
Deepest drawdown
-64.4% from Sep 3, 2009 to Aug 24, 2015, recovered Feb 23, 2021
Best single session
+13.9% on Jan 6, 2012
Worst single session
-10.0% on Apr 7, 2025
Volatility, 1 year annualised
59.7%
Sessions closing higher, 1 year
46%
Growth of 1 since 2008
6.3×
Best calendar year
2009, +252%
Worst calendar year
2022, -49%

3305 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. 2008 starts on Jul 10, 2008; 2026 runs to Sep 24, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026NT$102.01NT$166.26NT$89.90NT$103.00+1.5%1B178
2025NT$60.46NT$154.98NT$42.72NT$101.52+67.9%1.9B242
2024NT$65.80NT$81.60NT$54.95NT$60.46-8.1%432.5M242
2023NT$35.10NT$73.88NT$34.88NT$65.80+87.4%509.4M239
2022NT$67.71NT$70.57NT$31.34NT$35.10-48.5%423.8M246
2021NT$23.35NT$77.72NT$21.80NT$68.22+190.6%1.4B243
2020NT$19.47NT$25.72NT$12.66NT$23.47+21.0%143.4M245
2019NT$14.03NT$20.09NT$13.88NT$19.39+38.6%37.8M241
2018NT$18.64NT$19.31NT$13.77NT$13.99-24.9%13.1M245
2017NT$21.62NT$24.35NT$17.97NT$18.64-13.1%89.2M243
2016NT$14.70NT$22.72NT$12.69NT$21.45+45.3%84.6M244
2015NT$19.43NT$20.70NT$11.25NT$14.77-23.9%43.2M246
2014NT$19.37NT$25.20NT$18.33NT$19.40+1.6%110.1M248
2013NT$17.14NT$19.88NT$15.97NT$19.09+11.4%55.2M244
2012NT$16.31NT$21.61NT$15.39NT$17.14+5.1%79.6M248
2011NT$22.83NT$26.48NT$14.74NT$16.31-28.0%230.3M247
2010NT$29.14NT$29.14NT$19.65NT$22.65-21.5%197.8M250
2009NT$8.20NT$33.97NT$8.10NT$28.85+252.1%561.1M249
2008NT$16.54NT$20.12NT$7.01NT$8.20n/a80.9M124

3305 monthly closes, last 12 months

MonthMonth end closeChange
September 2026NT$103.00-8.0%
August 2026NT$112.00+13.8%
July 2026NT$98.40-27.8%
June 2026NT$136.34-11.7%
May 2026NT$154.49+45.2%
April 2026NT$106.43+1.4%
March 2026NT$104.96-10.8%
February 2026NT$117.71+6.7%
January 2026NT$110.35+8.7%
December 2025NT$101.52+8.0%
November 2025NT$93.97-5.6%
October 2025NT$99.56-5.1%

About the 3305 data

Daily bars. 4,464 sessions from Jul 10, 2008 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 Jul 10, 2008, 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/3305/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

3305 share price history

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