TWSE · 6657 · stock

Energenesis Biomedical CO.,LTD. (6657) stock price history

Every TWSE trading session of Energenesis Biomedical CO.,LTD. from Aug 8, 2018 to Sep 24, 2026: 1,977 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 6657 data, free keyYear by year table

6657 adjusted close, 2018 to 2026

6657Energenesis Biomedical CO.,LTD.
NT$32.80-37.6% over one year
2020202220242026
NT$95.63
All time high, 2019
NT$59.70
52 week high, NT$28.35 low
1,977
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.

6657 key facts

  • Energenesis Biomedical CO.,LTD. (6657) closed at NT$32.80 on Sep 24, 2026 on TWSE.
  • 6657's all time high close is NT$95.63, set on Oct 24, 2019; its all time low close is NT$29.40 on Jul 30, 2026.
  • 6657's 52 week range is NT$28.35 to NT$59.70.
  • 6657 returned -37.6% over the year to Sep 24, 2026 and -31.6% over five years.
  • Since Aug 8, 2018 6657 returned +8%, +0.9% a year compounded.
  • 6657's deepest drawdown was -69.3% from Oct 24, 2019 to Jul 30, 2026.
  • DataCedar holds 1,977 daily sessions of 6657 history from Aug 8, 2018 and minute bars from Sep 15, 2026, adjusted for splits and dividends, served by the API under a key.

6657 price chart, 2018 to 2026

6657 adjusted close, Aug 8, 2018 to Sep 24, 2026NT$29.80NT$51.70NT$73.60NT$95.50201820192020202120222023202420252026
Adjusted daily close. 260 sampled points across the full history; the API serves every session.

6657 returns

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

PeriodReturn
1 month+10.1%
3 months-7.2%
6 months-26.1%
Year to date-21.4%
1 year-37.6%
3 years-45.7%
5 years-31.6%
10 yearsn/a
Since Aug 8, 2018+8.0%
Compound annual growth, 8.1 years+0.9%

6657 records

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

All time high close
NT$95.63 on Oct 24, 2019
All time low close
NT$29.40 on Jul 30, 2026
52 week high
NT$59.70 on Jan 28, 2026
52 week low
NT$28.35 on Aug 11, 2026
Deepest drawdown
-69.3% from Oct 24, 2019 to Jul 30, 2026, not yet recovered
Best single session
+21.9% on May 18, 2022
Worst single session
-18.6% on Mar 19, 2020
Volatility, 1 year annualised
44.0%
Sessions closing higher, 1 year
42%
Best calendar year
2019, +74%
Worst calendar year
2020, -39%

6657 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 Aug 8, 2018; 2026 runs to Sep 24, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026NT$42.90NT$59.70NT$28.35NT$32.80-23.7%58.1M178
2025NT$50.20NT$85.60NT$40.50NT$43.00-15.4%142M242
2024NT$60.60NT$63.90NT$45.90NT$50.80-15.9%32M242
2023NT$42.75NT$99.50NT$42.60NT$60.40+42.1%112.5M239
2022NT$45.15NT$47.00NT$30.90NT$42.50-5.7%12.7M246
2021NT$49.16NT$73.01NT$39.74NT$45.05-8.3%17.3M243
2020NT$80.68NT$83.66NT$39.71NT$49.11-39.1%13.3M245
2019NT$47.73NT$100.92NT$40.85NT$80.67+74.4%33.1M241
2018NT$30.38NT$54.88NT$27.94NT$46.25n/a15.1M101

6657 monthly closes, last 12 months

MonthMonth end closeChange
September 2026NT$32.80+9.7%
August 2026NT$29.90-1.3%
July 2026NT$30.30-16.8%
June 2026NT$36.40-5.7%
May 2026NT$38.60-8.2%
April 2026NT$42.05+3.1%
March 2026NT$40.80-14.5%
February 2026NT$47.70-6.7%
January 2026NT$51.10+18.8%
December 2025NT$43.00-5.3%
November 2025NT$45.40+0.7%
October 2025NT$45.10-15.4%

About the 6657 data

Daily bars. 1,977 sessions from Aug 8, 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 Aug 8, 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/6657/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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