TWSE · 6689 · stock

eCloudvalley Digital Technology Co., Ltd. (6689) stock price history

Every TWSE trading session of eCloudvalley Digital Technology Co., Ltd. from Jul 17, 2018 to Sep 24, 2026: 1,993 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 6689 data, free keyYear by year table

6689 adjusted close, 2018 to 2026

6689eCloudvalley Digital Technology Co.
NT$63.90-12.9% over one year
2020202220242026
NT$375.05
All time high, 2021
NT$85.51
52 week high, NT$53.60 low
1,993
Daily sessions since 2018

Last updated Sep 24, 2026, the last stored session. Refreshes after each trading day. Full 2018 to 2026 series and minute bars.

6689 key facts

  • eCloudvalley Digital Technology Co., Ltd. (6689) closed at NT$63.90 on Sep 24, 2026 on TWSE.
  • 6689's all time high close is NT$375.05, set on Nov 2, 2021; its all time low close is NT$52.71 on Oct 30, 2018.
  • 6689's 52 week range is NT$53.60 to NT$85.51.
  • 6689 returned -12.9% over the year to Sep 24, 2026 and -79.7% over five years.
  • Since Jul 17, 2018 6689 returned -7%, -0.9% a year compounded.
  • 6689's deepest drawdown was -85.2% from Nov 2, 2021 to Jul 29, 2026.
  • DataCedar holds 1,993 daily sessions of 6689 history from Jul 17, 2018 and minute bars from Sep 15, 2026, adjusted for splits and dividends, served by the API under a key.

6689 price chart, 2018 to 2026

6689 adjusted close, Jul 17, 2018 to Sep 24, 2026NT$54.00NT$155.79NT$257.59NT$359.38201820192020202120222023202420252026
Adjusted daily close. 260 sampled points across the full history; the API serves every session.

6689 returns

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

PeriodReturn
1 month+4.1%
3 months-0.7%
6 months-20.8%
Year to date+7.7%
1 year-12.9%
3 years-42.2%
5 years-79.7%
10 yearsn/a
Since Jul 17, 2018-7.3%
Compound annual growth, 8.2 years-0.9%

6689 records

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

All time high close
NT$375.05 on Nov 2, 2021
All time low close
NT$52.71 on Oct 30, 2018
52 week high
NT$85.51 on Mar 24, 2026
52 week low
NT$53.60 on Jul 29, 2026
Deepest drawdown
-85.2% from Nov 2, 2021 to Jul 29, 2026, not yet recovered
Best single session
+31.3% on Jun 8, 2021
Worst single session
-18.3% on Apr 25, 2022
Volatility, 1 year annualised
36.9%
Sessions closing higher, 1 year
44%
Best calendar year
2021, +96%
Worst calendar year
2022, -69%

6689 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. 2018 starts on Jul 17, 2018; 2026 runs to Sep 24, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026NT$59.52NT$85.51NT$53.60NT$63.90+7.5%94.9M178
2025NT$114.96NT$123.45NT$58.36NT$59.42-47.5%174M242
2024NT$124.40NT$130.87NT$80.19NT$113.08-8.4%163.1M242
2023NT$76.05NT$156.18NT$74.42NT$123.47+65.3%290.5M239
2022NT$242.12NT$304.33NT$70.80NT$74.70-69.1%34.9M246
2021NT$122.51NT$380.42NT$121.78NT$242.12+96.5%24.3M243
2020NT$85.50NT$139.18NT$63.00NT$123.23+39.3%11.4M245
2019NT$73.20NT$116.49NT$71.26NT$88.49+20.5%14M241
2018NT$68.93NT$74.17NT$52.14NT$73.44n/a5.4M117

6689 monthly closes, last 12 months

MonthMonth end closeChange
September 2026NT$63.90+3.4%
August 2026NT$61.80+9.0%
July 2026NT$56.70-7.6%
June 2026NT$61.35-2.3%
May 2026NT$62.80-5.2%
April 2026NT$66.28-9.9%
March 2026NT$73.52+14.8%
February 2026NT$64.06+10.3%
January 2026NT$58.07-2.3%
December 2025NT$59.42-4.2%
November 2025NT$62.03-10.5%
October 2025NT$69.27-4.3%

About the 6689 data

Daily bars. 1,993 sessions from Jul 17, 2018 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 17, 2018, 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/6689/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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6689 share price history

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