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
- 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 returns
Price return from the last close on or before the window start to Sep 24, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 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.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | NT$102.01 | NT$166.26 | NT$89.90 | NT$103.00 | +1.5% | 1B | 178 |
| 2025 | NT$60.46 | NT$154.98 | NT$42.72 | NT$101.52 | +67.9% | 1.9B | 242 |
| 2024 | NT$65.80 | NT$81.60 | NT$54.95 | NT$60.46 | -8.1% | 432.5M | 242 |
| 2023 | NT$35.10 | NT$73.88 | NT$34.88 | NT$65.80 | +87.4% | 509.4M | 239 |
| 2022 | NT$67.71 | NT$70.57 | NT$31.34 | NT$35.10 | -48.5% | 423.8M | 246 |
| 2021 | NT$23.35 | NT$77.72 | NT$21.80 | NT$68.22 | +190.6% | 1.4B | 243 |
| 2020 | NT$19.47 | NT$25.72 | NT$12.66 | NT$23.47 | +21.0% | 143.4M | 245 |
| 2019 | NT$14.03 | NT$20.09 | NT$13.88 | NT$19.39 | +38.6% | 37.8M | 241 |
| 2018 | NT$18.64 | NT$19.31 | NT$13.77 | NT$13.99 | -24.9% | 13.1M | 245 |
| 2017 | NT$21.62 | NT$24.35 | NT$17.97 | NT$18.64 | -13.1% | 89.2M | 243 |
| 2016 | NT$14.70 | NT$22.72 | NT$12.69 | NT$21.45 | +45.3% | 84.6M | 244 |
| 2015 | NT$19.43 | NT$20.70 | NT$11.25 | NT$14.77 | -23.9% | 43.2M | 246 |
| 2014 | NT$19.37 | NT$25.20 | NT$18.33 | NT$19.40 | +1.6% | 110.1M | 248 |
| 2013 | NT$17.14 | NT$19.88 | NT$15.97 | NT$19.09 | +11.4% | 55.2M | 244 |
| 2012 | NT$16.31 | NT$21.61 | NT$15.39 | NT$17.14 | +5.1% | 79.6M | 248 |
| 2011 | NT$22.83 | NT$26.48 | NT$14.74 | NT$16.31 | -28.0% | 230.3M | 247 |
| 2010 | NT$29.14 | NT$29.14 | NT$19.65 | NT$22.65 | -21.5% | 197.8M | 250 |
| 2009 | NT$8.20 | NT$33.97 | NT$8.10 | NT$28.85 | +252.1% | 561.1M | 249 |
| 2008 | NT$16.54 | NT$20.12 | NT$7.01 | NT$8.20 | n/a | 80.9M | 124 |
3305 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | NT$103.00 | -8.0% |
| August 2026 | NT$112.00 | +13.8% |
| July 2026 | NT$98.40 | -27.8% |
| June 2026 | NT$136.34 | -11.7% |
| May 2026 | NT$154.49 | +45.2% |
| April 2026 | NT$106.43 | +1.4% |
| March 2026 | NT$104.96 | -10.8% |
| February 2026 | NT$117.71 | +6.7% |
| January 2026 | NT$110.35 | +8.7% |
| December 2025 | NT$101.52 | +8.0% |
| November 2025 | NT$93.97 | -5.6% |
| October 2025 | NT$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"Nearby on TWSE
Common questions
3305 share price history
