010170 - Taihan Fiberoptics Co., Ltd.

010170 Summary
Power Equipment
Stock Price & Overview
₩13,010 +160 (+1.25%) Close · Sep 4, 2026 KST
KOSDAQ | ₩KRW | Close: ₩13,010  ≈ US$9  ·  Market cap ₩2.0tn (≈ $1.4bn)

010170 Stock Price

010K20K30Kprev 13Kpeak 29KOctNovDecJan ’26FebMarAprMayJunJulAugSep13K
52 Week Range
₩1,216₩29,100
Day Range
₩12,630₩13,400
Market Cap
₩2.0tn
P/E (TTM)
n/a (loss)
P/B
18.10x
P/S (TTM)
12.99x
Volume
3,744,107
Shares Out
155.5M
Prev. Close
₩12,850
vs 52W High
-55.3%
Multiples use the close and the financials that were public on that date (DART), the same series as the Valuation tab — they are not vendor figures.

010170 Analysis

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Nothing written yet for this company.

010170 News

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No news written yet.

010170 Momentum

Period010170KOSDAQDifference
1 week-9.1%-3.0%-6.1%
1 month+27.8%+4.2%+23.6%
3 months-35.9%-22.5%-13.4%
6 months+242.4%-16.9%+259.2%
Year to date+510.2%-12.1%+522.3%
1 year+958.6%+1.0%+957.6%

Closed at 42% of the way from its 52-week low (₩1,216) to its 52-week high (₩29,100).

Price return on KRX closes, KOSDAQ on the same dates, no dividends. A period starts at the last trading day on or before the calendar date.

010170 Filings

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DART

Half-Year Report

Periodic08/14/26title translated
DART

Insider / Major Shareholder Holdings Report

Ownership07/14/26title translated
DART

5% Ownership Report — Large Holdings

Ownership07/14/26title translated
DART

Insider / Major Shareholder Holdings Report ×2

Ownership07/03/26title translated
Korean issuers file to DART, not the SEC. Titles are translated; where kstock has read the filing the row carries the explanation.

010170 Company Profile

Taihan Fiberoptics Co., Ltd. makes insulated wire and cable in South Korea. It is listed on KOSDAQ, was founded in 1974, is based in Gyeonggi, and has revenue of hundreds of billions of won.

SectorPower EquipmentEmployees
MarketKOSDAQFounded1974
Korean name대한광통신Head officeGyeonggi

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What a US investor should know

  • Trading hours09:00–15:30 KST — 20:00–02:30 US Eastern the night before.
  • Daily limitKorean stocks can move at most ±30% in a session before trading halts.
  • Getting exposureKRX shares are not directly tradable in most US brokerage accounts. The usual routes are Korea ETFs or an international account.
  • ReportingKorean issuers file to DART, not the SEC. Half-year and quarterly reports land about 45 days after period end.