TWSE · 6534 · stock

CH Biotech R&D Co., Ltd. (6534) stock price history

Every TWSE trading session of CH Biotech R&D Co., Ltd. from Jul 2, 2015 to Nov 12, 2026: 2,684 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 6534 data, free keyYear by year table

6534 adjusted close, 2015 to 2026

6534CH Biotech R&D Co., Ltd.
NT$84.40-6.9% over one year
201620182020202220242026
NT$134.52
All time high, 2016
NT$102.86
52 week high, NT$73.22 low
2,684
Daily sessions since 2015

Last updated Nov 12, 2026, the last stored session. Refreshes after each trading day. Full 2015 to 2026 series and minute bars.

6534 key facts

  • CH Biotech R&D Co., Ltd. (6534) closed at NT$84.40 on Nov 12, 2026 on TWSE.
  • 6534's all time high close is NT$134.52, set on Jun 6, 2016; its all time low close is NT$31.23 on Apr 22, 2020.
  • 6534's 52 week range is NT$73.22 to NT$102.86.
  • 6534 returned -6.9% over the year to Nov 12, 2026 and +110.3% over five years.
  • Over ten years 6534 returned -22%, -2.5% a year compounded.
  • 6534's deepest drawdown was -76.8% from Jun 7, 2016 to Apr 22, 2020.
  • DataCedar holds 2,684 daily sessions of 6534 history from Jul 2, 2015 and minute bars from Sep 15, 2026, adjusted for splits and dividends, served by the API under a key.

6534 price chart, 2015 to 2026

6534 adjusted close, Jul 2, 2015 to Nov 12, 2026NT$31.61NT$65.91NT$100.22NT$134.52201620182020202220242026
Adjusted daily close. 260 sampled points across the full history; the API serves every session.

6534 returns

Price return from the last close on or before the window start to Nov 12, 2026, on adjusted closes.

PeriodReturn
1 month-10.8%
3 months-9.9%
6 months-12.7%
Year to date-0.8%
1 year-6.9%
3 years+20.1%
5 years+110.3%
10 years-22.4%
Since Jul 2, 2015+42.7%
Compound annual growth, 11.4 years+3.2%

6534 records

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

All time high close
NT$134.52 on Jun 6, 2016
All time low close
NT$31.23 on Apr 22, 2020
52 week high
NT$102.86 on Apr 15, 2026
52 week low
NT$73.22 on Mar 9, 2026
Deepest drawdown
-76.8% from Jun 7, 2016 to Apr 22, 2020, not yet recovered
Best single session
+20.8% on Sep 11, 2017
Worst single session
-22.0% on Dec 27, 2023
Volatility, 1 year annualised
30.5%
Sessions closing higher, 1 year
46%
Best calendar year
2022, +45%
Worst calendar year
2019, -28%

6534 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. 2015 starts on Jul 2, 2015; 2026 runs to Nov 12, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026NT$84.92NT$102.86NT$73.22NT$84.40-0.6%28.2M206
2025NT$72.33NT$116.52NT$66.77NT$84.92+17.0%23.9M242
2024NT$69.15NT$83.47NT$64.72NT$72.60+4.6%15.8M242
2023NT$61.30NT$98.73NT$58.45NT$69.41+13.4%15.1M239
2022NT$42.43NT$74.48NT$40.14NT$61.21+45.0%16.6M245
2021NT$34.95NT$46.44NT$31.18NT$42.22+22.0%12.6M243
2020NT$46.20NT$58.03NT$29.32NT$34.61-24.0%5.8M182
2019NT$63.61NT$85.30NT$42.39NT$45.53-28.4%10.7M236
2018NT$61.73NT$73.48NT$56.80NT$63.60+2.6%9.9M242
2017NT$78.31NT$100.94NT$52.85NT$61.98-21.8%14.5M237
2016NT$105.01NT$134.77NT$77.83NT$79.27-24.5%24.8M241
2015NT$59.13NT$105.01NT$45.12NT$104.97n/a7.4M129

6534 monthly closes, last 12 months

MonthMonth end closeChange
November 2026NT$84.40-7.9%
October 2026NT$91.60+1.1%
September 2026NT$90.60-0.4%
August 2026NT$90.99-2.6%
July 2026NT$93.46+4.0%
June 2026NT$89.90-5.3%
May 2026NT$94.95+3.8%
April 2026NT$91.49+6.9%
March 2026NT$85.55+12.2%
February 2026NT$76.24-7.9%
January 2026NT$82.75-2.6%
December 2025NT$84.92+5.0%

About the 6534 data

Daily bars. 2,684 sessions from Jul 2, 2015 to Nov 12, 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 Nov 9, 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 2, 2015, 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/twse%3A6534/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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