KRX · 281820 · stock

KCTech Co., Ltd. (281820) stock price history

Every KRX trading session of KCTech Co., Ltd. from Dec 5, 2017 to Sep 28, 2026: 2,157 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.

281820 adjusted close, 2017 to 2026

281820KCTech Co., Ltd.
₩84,800+129.5% over one year
2020202220242026
₩117,500
All time high, 2026
₩124,800
52 week high, ₩34,770 low
2,157
Daily sessions since 2017

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2017 to 2026 series and minute bars.

281820 key facts

  • KCTech Co., Ltd. (281820) closed at ₩84,800 on Sep 28, 2026 on KRX.
  • 281820's all time high close is ₩117,500, set on Jul 1, 2026; its all time low close is ₩8,443 on Dec 26, 2018.
  • 281820's 52 week range is ₩34,770 to ₩124,800.
  • 281820 returned +129.5% over the year to Sep 28, 2026 and +256.5% over five years.
  • Since Dec 5, 2017 281820 returned +314%, +17.5% a year compounded.
  • 281820's deepest drawdown was -62.8% from Jun 5, 2018 to Dec 26, 2018.
  • DataCedar holds 2,157 daily sessions of 281820 history from Dec 5, 2017 and minute bars from Sep 15, 2026, adjusted for splits and dividends, served by the API under a key.

281820 price chart, 2017 to 2026

281820 adjusted close, Dec 5, 2017 to Sep 28, 2026₩8,817₩20,362₩47,025₩108,60020182020202220242026
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

281820 returns

Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.

PeriodReturn
1 month+27.1%
3 months+2.5%
6 months+73.8%
Year to date+115.9%
1 year+129.5%
3 years+299.7%
5 years+256.5%
10 yearsn/a
Since Dec 5, 2017+314.5%
Compound annual growth, 8.8 years+17.5%

281820 records

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

All time high close
₩117,500 on Jul 1, 2026
All time low close
₩8,443 on Dec 26, 2018
52 week high
₩124,800 on Jul 1, 2026
52 week low
₩34,770 on Dec 16, 2025
Deepest drawdown
-62.8% from Jun 5, 2018 to Dec 26, 2018, recovered Jul 6, 2020
Best single session
+27.3% on Mar 20, 2020
Worst single session
-15.1% on Mar 4, 2026
Volatility, 1 year annualised
93.8%
Sessions closing higher, 1 year
52%
Growth of 1 since 2017
4.1×
Best calendar year
2019, +148%
Worst calendar year
2018, -54%

281820 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. 2017 starts on Dec 5, 2017; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026₩39,327₩124,800₩36,553₩84,800+115.9%35.3M181
2025₩25,591₩45,716₩22,487₩39,277+53.5%29.9M241
2024₩26,721₩57,961₩24,707₩25,591-2.8%52.1M244
2023₩14,585₩27,608₩14,194₩26,328+82.3%14.6M245
2022₩23,427₩23,427₩12,482₩14,438-37.5%9.5M244
2021₩29,493₩31,729₩19,599₩23,091-21.1%37.2M248
2020₩22,237₩29,779₩11,897₩29,256+32.7%53.3M248
2019₩8,957₩22,567₩8,190₩22,048+148.2%48.9M246
2018₩19,539₩23,537₩8,379₩8,882-54.1%24M244
2017₩25,641₩26,452₩18,160₩19,357n/a3.7M16

281820 monthly closes, last 12 months

MonthMonth end closeChange
September 2026₩84,800+24.0%
August 2026₩68,400-2.0%
July 2026₩69,800-39.4%
June 2026₩115,100+83.9%
May 2026₩62,600+2.1%
April 2026₩61,300+39.6%
March 2026₩43,900-10.7%
February 2026₩49,150+5.0%
January 2026₩46,806+19.2%
December 2025₩39,277-0.5%
November 2025₩39,475+3.9%
October 2025₩37,989-1.2%

About the 281820 data

Daily bars. 2,157 sessions from Dec 5, 2017 to Sep 28, 2026, one row per KRX 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 28, 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 KRX trading days; minute timestamps are UTC. Prices are in KRW. 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 Dec 5, 2017, 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/281820/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

Nearby on KRX

Common questions

281820 share price history

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