QSI Co

QSI Co P/TBV

The Price to Tangible Book Value (P/TBV) of QSI Co (066310.KQ) as of Oct 17, 2026 is 1.03. In the previous year, Price to Tangible Book Value (P/TBV) was 1.10 — a change of -6.20% (lower).

P/TBV

1.03

YoY

-6.20%

Last updated:

Price to Tangible Book Value (P/TBV) of QSI Co is 2025 1.03 . Price to Tangible Book Value (P/TBV) of QSI Co was 2024 1.10 . It decreases by -6.20% lower compared to the previous year.

The QSI Co P/TBV history

  • 3 Years

  • 10 Years

  • 25 Years

  • Max

P/TBV
Date
P/TBV
Jan 1, 2018
1.89 KRW
Jan 1, 2019
1.76 KRW
Jan 1, 2020
1.74 KRW
Jan 1, 2021
1.25 KRW
Jan 1, 2022
1.13 KRW
Jan 1, 2023
1.12 KRW
Jan 1, 2024
1.10 KRW
Jan 1, 2025
1.03 KRW
The QSI Co P/TBV history
YEARP/TBVYoY
1.03-6.20%
1.10-1.73%
1.12-1.29%
1.13-9.47%
1.25-28.25%
1.74-1.11%
1.76-6.96%
1.89+2.19%
1.85+1.91%
1.82-1.12%
1.84-1.86%
1.87—

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QSI Co Stock analysis

What does QSI Co do? QSI Co Ltd, listed on the Korean stock market with ticker 066310.KQ and ISIN KR7066310004, is a company based in Cheonan, South Korea. It operates within the Information Technology sector, specifically in the Semiconductors industry. The company went public on November 24, 2006. QSI Co Ltd manufactures and sells semiconductor laser and optical semiconductor products. Its product portfolio includes laser diodes (LDs) used in various applications such as power tools, laser modules, barcode scanners, laser beam printers, optical pickup units for DVDs and CDs, and other sectors including medical equipment and sensors. The company markets its products under the brand name QSI Laser Diode. It serves both domestic and international markets, with notable clients including Fuji Xerox, Panasonic, Samsung, and Stabila. The company's website is http://www.qsilaser.com, providing further information about its products and services. QSI Co Ltd focuses on the production and distribution of optical semiconductor solutions, targeting a range of industries that require precision optical components. QSI Co is one of the most popular companies on Eulerpool.

Frequently Asked Questions about QSI Co stock

Price to Tangible Book Value (P/TBV) of QSI Co is 1.03 in 2025.

Price to Tangible Book Value (P/TBV) of QSI Co changed from 1.10 to 1.03, representing a -6.20% change. The value is lower than the previous year.

On Eulerpool you can find the complete historical development of Price to Tangible Book Value (P/TBV) QSI Co since 2006 – with annual values, charts, and detailed analysis.

P/TBV compares the stock price to tangible book value per share, excluding goodwill and intangibles. It provides a conservative asset-based valuation.

To evaluate Price to Tangible Book Value (P/TBV)'s, it is essential to compare it with peers in the same industry and sector. On Eulerpool, you can find direct industry comparisons for Price to Tangible Book Value (P/TBV).

A 'good' varies by industry and company stage. On Eulerpool, you can compare Price to Tangible Book Value (P/TBV)'s QSI Co with sector peers and the industry average to assess whether it is attractive.

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