TWSE · 6165 · stock

Lang Inc. (6165) stock price history

Every TWSE trading session of Lang Inc. from Aug 4, 2003 to Sep 24, 2026: 5,713 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 6165 data, free keyYear by year table

6165 adjusted close, 2003 to 2026

6165Lang Inc.
NT$48.95-5.7% over one year
20052010201520202025
NT$87.62
All time high, 2020
NT$57.00
52 week high, NT$39.50 low
5,713
Daily sessions since 2003

Last updated Sep 24, 2026, the last stored session. Refreshes after each trading day. Full 2003 to 2026 series and minute bars.

6165 key facts

  • Lang Inc. (6165) closed at NT$48.95 on Sep 24, 2026 on TWSE.
  • 6165's all time high close is NT$87.62, set on Oct 13, 2020; its all time low close is NT$5.59 on Feb 19, 2009.
  • 6165's 52 week range is NT$39.50 to NT$57.00.
  • 6165 returned -5.7% over the year to Sep 24, 2026 and +48.4% over five years.
  • Over ten years 6165 returned +196%, +11.5% a year compounded.
  • 6165's deepest drawdown was -89.3% from Jun 12, 2017 to Nov 1, 2018.
  • DataCedar holds 5,713 daily sessions of 6165 history from Aug 4, 2003 and minute bars from Sep 15, 2026, adjusted for splits and dividends, served by the API under a key.

6165 price chart, 2003 to 2026

6165 adjusted close, Aug 4, 2003 to Sep 24, 2026NT$6.37NT$27.09NT$47.81NT$68.5320052010201520202025
Adjusted daily close. 260 sampled points across the full history; the API serves every session.

6165 returns

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

PeriodReturn
1 month+2.3%
3 months+3.6%
6 months+4.7%
Year to date+4.0%
1 year-5.7%
3 years+46.2%
5 years+48.4%
10 years+195.9%
Since Aug 4, 2003+91.5%
Compound annual growth, 23.1 years+2.8%

6165 records

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

All time high close
NT$87.62 on Oct 13, 2020
All time low close
NT$5.59 on Feb 19, 2009
52 week high
NT$57.00 on Oct 27, 2025
52 week low
NT$39.50 on Mar 9, 2026
Deepest drawdown
-89.3% from Jun 12, 2017 to Nov 1, 2018, recovered Sep 18, 2020
Best single session
+14.2% on Feb 6, 2012
Worst single session
-19.4% on Feb 6, 2009
Volatility, 1 year annualised
32.7%
Sessions closing higher, 1 year
46%
Best calendar year
2020, +130%
Worst calendar year
2018, -76%

6165 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. 2003 starts on Aug 4, 2003; 2026 runs to Sep 24, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026NT$47.70NT$55.00NT$39.50NT$48.95+3.6%118.7M178
2025NT$42.96NT$63.48NT$38.07NT$47.25+9.7%311.2M242
2024NT$36.03NT$54.24NT$31.64NT$43.06+19.5%262.2M242
2023NT$26.43NT$41.95NT$26.04NT$36.03+34.6%97.2M239
2022NT$37.15NT$42.93NT$22.47NT$26.78-27.8%58.3M246
2021NT$40.19NT$52.08NT$27.36NT$37.10-8.3%273.9M243
2020NT$17.72NT$89.28NT$13.75NT$40.48+129.7%233.2M245
2019NT$7.69NT$20.46NT$7.34NT$17.62+125.0%71.6M241
2018NT$32.80NT$33.09NT$7.00NT$7.83-76.5%157.1M245
2017NT$15.08NT$66.47NT$12.73NT$33.29+120.8%242.3M243
2016NT$10.77NT$20.90NT$8.81NT$15.08+33.9%44.5M244
2015NT$21.34NT$24.53NT$10.18NT$11.26-45.3%33.7M246
2014NT$13.05NT$25.74NT$11.51NT$20.59+62.5%123.9M248
2013NT$8.29NT$18.33NT$7.49NT$12.67+58.9%35.5M244
2012NT$6.96NT$11.35NT$6.46NT$7.98+14.5%17.3M248
2011NT$16.47NT$17.22NT$5.73NT$6.96-57.6%33.9M247
2010NT$25.78NT$31.14NT$14.42NT$16.42-35.9%126.4M250
2009NT$24.24NT$26.23NT$5.21NT$25.60+5.6%235.8M249
2008NT$38.56NT$49.55NT$22.88NT$24.24-37.1%313.1M251
2007NT$32.59NT$47.55NT$30.16NT$38.56+18.3%855.1M244
2006NT$22.49NT$34.08NT$19.60NT$32.59+45.9%119.8M248
2005NT$15.51NT$24.21NT$13.72NT$22.34+44.1%561.8M260
2004NT$26.72NT$36.82NT$14.27NT$15.51-42.0%182.4M262
2003NT$25.07NT$29.41NT$22.12NT$26.72n/a13.2M108

6165 monthly closes, last 12 months

MonthMonth end closeChange
September 2026NT$48.95-3.6%
August 2026NT$50.80+4.6%
July 2026NT$48.55+2.1%
June 2026NT$47.55-2.0%
May 2026NT$48.50-8.7%
April 2026NT$53.10+18.9%
March 2026NT$44.65+3.5%
February 2026NT$43.15+1.4%
January 2026NT$42.55-9.9%
December 2025NT$47.25-5.4%
November 2025NT$49.95-4.9%
October 2025NT$52.50-2.6%

About the 6165 data

Daily bars. 5,713 sessions from Aug 4, 2003 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 4, 2003, 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/6165/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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