TWSE · 6669 · stock
Wiwynn Corporation (6669) stock price history
Every TWSE trading session of Wiwynn Corporation from Nov 13, 2017 to Sep 24, 2026: 2,156 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.
6669 adjusted close, 2017 to 2026
- NT$2,615
- All time high, 2026
- NT$2,875
- 52 week high, NT$983.98 low
- 2,156
- Daily sessions since 2017
Last updated Sep 24, 2026, the last stored session. Refreshes after each trading day. Full 2017 to 2026 series and minute bars.
6669 key facts
- Wiwynn Corporation (6669) closed at NT$2,115 on Sep 24, 2026 on TWSE.
- 6669's all time high close is NT$2,615, set on Sep 1, 2026; its all time low close is NT$25.11 on Nov 15, 2017.
- 6669's 52 week range is NT$983.98 to NT$2,875.
- 6669 returned +110.8% over the year to Sep 24, 2026 and +655.9% over five years.
- Since Nov 13, 2017 6669 returned +7,422%, +62.8% a year compounded.
- 6669's deepest drawdown was -61.6% from Jun 21, 2018 to Oct 11, 2018.
- DataCedar holds 2,156 daily sessions of 6669 history from Nov 13, 2017 and minute bars from Sep 15, 2026, adjusted for splits and dividends, served by the API under a key.
6669 price chart, 2017 to 2026
6669 returns
Price return from the last close on or before the window start to Sep 24, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +0.1% |
| 3 months | +37.0% |
| 6 months | +74.3% |
| Year to date | +47.7% |
| 1 year | +110.8% |
| 3 years | +371.8% |
| 5 years | +655.9% |
| 10 years | n/a |
| Since Nov 13, 2017 | +7,422% |
| Compound annual growth, 8.9 years | +62.8% |
6669 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- NT$2,615 on Sep 1, 2026
- All time low close
- NT$25.11 on Nov 15, 2017
- 52 week high
- NT$2,875 on Sep 2, 2026
- 52 week low
- NT$983.98 on Sep 26, 2025
- Deepest drawdown
- -61.6% from Jun 21, 2018 to Oct 11, 2018, recovered Oct 8, 2019
- Best single session
- +18.1% on Oct 12, 2018
- Worst single session
- -16.4% on Oct 11, 2018
- Volatility, 1 year annualised
- 56.9%
- Sessions closing higher, 1 year
- 50%
- Growth of 1 since 2017
- 75.2×
- Best calendar year
- 2018, +160%
- Worst calendar year
- 2022, -26%
6669 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. 2017 starts on Nov 13, 2017; 2026 runs to Sep 24, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | NT$1,479 | NT$2,875 | NT$1,072 | NT$2,115 | +44.7% | 937.3M | 178 |
| 2025 | NT$822.55 | NT$1,553 | NT$463.47 | NT$1,461 | +76.3% | 1.4B | 242 |
| 2024 | NT$569.70 | NT$942.77 | NT$517.26 | NT$828.88 | +45.9% | 1.5B | 242 |
| 2023 | NT$239.90 | NT$667.77 | NT$213.97 | NT$568.15 | +139.2% | 1.9B | 239 |
| 2022 | NT$321.97 | NT$327.75 | NT$181.79 | NT$237.51 | -26.2% | 604.7M | 246 |
| 2021 | NT$196.07 | NT$327.75 | NT$190.48 | NT$321.97 | +63.7% | 564.3M | 243 |
| 2020 | NT$173.61 | NT$242.43 | NT$153.50 | NT$196.63 | +14.0% | 1.1B | 245 |
| 2019 | NT$72.79 | NT$174.42 | NT$67.47 | NT$172.52 | +140.0% | 1.2B | 241 |
| 2018 | NT$27.54 | NT$132.46 | NT$27.34 | NT$71.88 | +160.4% | 479.1M | 245 |
| 2017 | NT$28.12 | NT$30.91 | NT$23.90 | NT$27.60 | n/a | 26.7M | 35 |
6669 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | NT$2,115 | -11.1% |
| August 2026 | NT$2,379 | +31.6% |
| July 2026 | NT$1,807 | +16.3% |
| June 2026 | NT$1,554 | -12.4% |
| May 2026 | NT$1,774 | +16.5% |
| April 2026 | NT$1,523 | +41.7% |
| March 2026 | NT$1,075 | -17.5% |
| February 2026 | NT$1,303 | +11.9% |
| January 2026 | NT$1,165 | -20.3% |
| December 2025 | NT$1,461 | -1.9% |
| November 2025 | NT$1,489 | +4.7% |
| October 2025 | NT$1,422 | +31.7% |
About the 6669 data
Daily bars. 2,156 sessions from Nov 13, 2017 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 13, 2017, 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/6669/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on TWSE
Common questions
6669 share price history
