TWSE · 9931 · stock

Hsin Kao Gas Co.,Ltd. (9931) stock price history

Every TWSE trading session of Hsin Kao Gas Co.,Ltd. from Jan 4, 2000 to Sep 24, 2026: 6,647 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 9931 data, free keyYear by year table

9931 adjusted close, 2000 to 2026

9931Hsin Kao Gas Co.,Ltd.
NT$33.80+4.6% over one year
20052010201520202025
NT$48.67
All time high, 2026
NT$48.67
52 week high, NT$31.31 low
6,647
Daily sessions since 2000

Last updated Sep 24, 2026, the last stored session. Refreshes after each trading day. Full 2000 to 2026 series and minute bars.

9931 key facts

  • Hsin Kao Gas Co.,Ltd. (9931) closed at NT$33.80 on Sep 24, 2026 on TWSE.
  • 9931's all time high close is NT$48.67, set on Mar 9, 2026; its all time low close is NT$1.68 on Nov 30, 2001.
  • 9931's 52 week range is NT$31.31 to NT$48.67.
  • 9931 returned +4.6% over the year to Sep 24, 2026 and +10.9% over five years.
  • Over ten years 9931 returned +79%, +6.0% a year compounded.
  • 9931's deepest drawdown was -62.8% from Mar 24, 2000 to Nov 30, 2001.
  • DataCedar holds 6,647 daily sessions of 9931 history from Jan 4, 2000 and minute bars from Sep 15, 2026, adjusted for splits and dividends, served by the API under a key.

9931 price chart, 2000 to 2026

9931 adjusted close, Jan 4, 2000 to Sep 24, 2026NT$1.81NT$4.99NT$13.75NT$37.85200020052010201520202025
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

9931 returns

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

PeriodReturn
1 month-0.7%
3 months+1.5%
6 months-10.7%
Year to date+5.1%
1 year+4.6%
3 years-2.4%
5 years+10.9%
10 years+79.1%
Since Jan 4, 2000+1,120%
Compound annual growth, 26.7 years+9.8%

9931 records

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

All time high close
NT$48.67 on Mar 9, 2026
All time low close
NT$1.68 on Nov 30, 2001
52 week high
NT$48.67 on Mar 9, 2026
52 week low
NT$31.31 on Jan 5, 2026
Deepest drawdown
-62.8% from Mar 24, 2000 to Nov 30, 2001, recovered Mar 14, 2006
Best single session
+19.7% on Feb 6, 2015
Worst single session
-16.7% on Feb 5, 2015
Volatility, 1 year annualised
32.8%
Sessions closing higher, 1 year
42%
Growth of 1 since 2000
12.2×
Best calendar year
2013, +62%
Worst calendar year
2015, -13%

9931 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. 2000 starts on Jan 4, 2000; 2026 runs to Sep 24, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026NT$32.16NT$48.67NT$31.31NT$33.80+4.8%34.2M178
2025NT$30.73NT$34.91NT$29.74NT$32.26+5.0%3.7M242
2024NT$34.68NT$36.57NT$30.10NT$30.73-11.4%6M242
2023NT$31.67NT$35.12NT$31.03NT$34.68+8.8%3.6M239
2022NT$30.90NT$33.95NT$29.97NT$31.87+3.1%1.9M246
2021NT$32.82NT$33.76NT$27.56NT$30.90-5.9%2.9M243
2020NT$24.23NT$33.87NT$22.62NT$32.82+35.5%3.4M245
2019NT$20.99NT$25.08NT$20.43NT$24.23+15.4%2.5M241
2018NT$19.61NT$22.35NT$19.42NT$20.99+6.2%1.7M245
2017NT$19.14NT$20.60NT$18.29NT$19.76+3.2%2.2M243
2016NT$18.49NT$19.90NT$17.64NT$19.14+3.5%4.4M244
2015NT$21.23NT$22.22NT$16.14NT$18.49-13.4%2.6M246
2014NT$20.58NT$24.35NT$20.06NT$21.35+5.0%4.7M248
2013NT$12.25NT$21.25NT$12.20NT$20.32+62.1%6.6M244
2012NT$11.79NT$13.46NT$10.22NT$12.54+6.3%3.8M248
2011NT$8.78NT$12.55NT$8.63NT$11.79+34.9%6.8M247
2010NT$7.51NT$9.47NT$7.09NT$8.74+14.5%10.9M250
2009NT$6.08NT$7.69NT$5.89NT$7.63+25.6%3.2M249
2008NT$6.39NT$8.65NT$5.47NT$6.08-4.0%23.6M251
2007NT$5.11NT$6.98NT$4.81NT$6.33+25.7%174.8M244
2006NT$4.24NT$5.15NT$4.12NT$5.04+21.7%78.2M248
2005NT$3.74NT$4.31NT$3.50NT$4.14+17.2%9.3M260
2004NT$2.54NT$4.08NT$2.54NT$3.53+39.1%13.7M262
2003NT$2.17NT$2.78NT$1.99NT$2.54+16.7%5.6M261
2002NT$2.00NT$2.67NT$1.81NT$2.17+8.8%32.9M261
2001NT$2.00NT$2.43NT$1.68NT$2.00-0.1%4.2B261
2000NT$2.94NT$4.78NT$1.76NT$2.00n/a151.8M259

9931 monthly closes, last 12 months

MonthMonth end closeChange
September 2026NT$33.80-0.3%
August 2026NT$33.90+0.7%
July 2026NT$33.65+0.6%
June 2026NT$33.45+3.7%
May 2026NT$32.26-2.4%
April 2026NT$33.06-6.7%
March 2026NT$35.43+6.1%
February 2026NT$33.39+3.7%
January 2026NT$32.21-0.1%
December 2025NT$32.26+0.3%
November 2025NT$32.160.0%
October 2025NT$32.16-0.4%

About the 9931 data

Daily bars. 6,647 sessions from Jan 4, 2000 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 Jan 4, 2000, 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/9931/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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