Q.S.I Co. LTD (KQ:066310) — Market Cap & Net Worth

$47.29 Million USD  · ₩69.78 Billion KRW  · Rank #22155

Market Cap & Net Worth: Q.S.I Co. LTD (066310)

Q.S.I Co. LTD (KQ:066310) has a market capitalization of $47.29 Million (₩69.78 Billion) as of August 15, 2026. Listed on the KQ stock exchange, this Korea-based company holds position #22155 globally and #1394 in its home market, demonstrating a 4.69% increase in market value over the past year.

Market capitalization, also known as net worth in stock markets, is calculated by multiplying Q.S.I Co. LTD's stock price ₩7810.00 by its total outstanding shares 8934760 (8.93 Million). See 066310 net asset quality score to understand what proportion of total assets are financed by equity.

Q.S.I Co. LTD Market Cap History: 2015 to 2026

Q.S.I Co. LTD's market capitalization history from 2015 to 2026. Data shows growth from $36.72 Million to $47.29 Million (1.99% CAGR). Also see Q.S.I Co. LTD (066310) total assets for a full breakdown of the balance sheet.

Index Memberships

Q.S.I Co. LTD is a constituent of 2 market indices:

Index Total Market Cap Weight (%) Rank by Market Cap
Kosdaq Composite Index
KOSDAQ
$238.09 Billion 0.02% #671 of 1384
Kosdaq Composite Index
KQ11
$238.09 Billion 0.02% #671 of 1384

Weight: Q.S.I Co. LTD's market cap as a percentage of total index value. Rank: Position among all constituents by market cap.

Q.S.I Co. LTD Market Cap to Earnings & Revenue Ratios Timeline

This chart shows how Q.S.I Co. LTD's valuation ratios have evolved. The Price to Sales (P/S) ratio compares market cap to revenue, while the Price to Earnings (P/E) ratio compares market cap to net income. Lower values may indicate a more undervalued company relative to its financial performance. Check Q.S.I Co. LTD stock price for real-time trading data and today's change.

Latest Price to Sales (P/S) Ratio

0.00x

Q.S.I Co. LTD's market cap is 0.00 times its annual revenue

Industry average: 0.00x Higher than industry average

Latest Price to Earnings (P/E) Ratio

0.02x

Q.S.I Co. LTD's market cap is 0.02 times its annual earnings

Industry average: 0.05x Lower than industry average

What These Ratios Tell Investors:

  • Price to Sales (P/S) Ratio: Shows how much investors are paying for each dollar of the company's sales. Lower P/S ratios may indicate undervaluation.
  • Price to Earnings (P/E) Ratio: Shows how much investors are paying for each dollar of the company's earnings. This is one of the most common valuation metrics.
  • Trends in these ratios over time can indicate changing investor sentiment about the company's future growth prospects.
  • Industry comparison provides context for whether the company is valued higher or lower than peers.
Year Market Cap (USD) Revenue (USD) Net Income (USD) P/S Ratio P/E Ratio
2015 $36.72 Million $25.50 Billion $1.39 Billion 0.00x 0.03x
2016 $51.35 Million $22.02 Billion $1.42 Billion 0.00x 0.04x
2017 $36.56 Million $22.63 Billion $751.45 Million 0.00x 0.05x
2018 $26.35 Million $18.82 Billion -$353.39 Million 0.00x N/A
2019 $79.45 Million $22.68 Billion $1.10 Billion 0.00x 0.07x
2020 $98.01 Million $23.00 Billion $135.84 Million 0.00x 0.72x
2021 $154.49 Million $29.38 Billion $1.56 Billion 0.01x 0.10x
2022 $56.52 Million $22.70 Billion $7.01 Billion 0.00x 0.01x
2023 $60.07 Million $18.69 Billion $2.71 Billion 0.00x 0.02x
2024 $62.79 Million $21.36 Billion $3.25 Billion 0.00x 0.02x

Competitor Companies of 066310 by Market Capitalization

Companies near Q.S.I Co. LTD in the global market cap rankings as of August 15, 2026. Also see 066310 operating cash flow for how efficiently the company converts equity into cash flow.

Key companies related to Q.S.I Co. LTD by market ranking:

  • JUSUNG ENGINEERING Co. Ltd (KQ:036930): Ranked #3234 globally with a market cap of $5.86 Billion USD ( ₩8.65 Trillion KRW).
  • Eugene Technology Co.Ltd (KQ:084370): Ranked #6118 globally with a market cap of $2.04 Billion USD ( ₩3.01 Trillion KRW).
  • TES Co. Ltd (KQ:095610): Ranked #6280 globally with a market cap of $1.94 Billion USD ( ₩2.87 Trillion KRW).
  • Tokai Carbon Korea Co. Ltd (KQ:064760): Ranked #6557 globally with a market cap of $1.80 Billion USD ( ₩2.65 Trillion KRW).
Market capitalization comparison (in billions USD)
Rank Company Symbol Market Cap Price
#3234 JUSUNG ENGINEERING Co. Ltd KQ:036930 $5.86 Billion ₩179300.00
#6118 Eugene Technology Co.Ltd KQ:084370 $2.04 Billion ₩135000.00
#6280 TES Co. Ltd KQ:095610 $1.94 Billion ₩145000.00
#6557 Tokai Carbon Korea Co. Ltd KQ:064760 $1.80 Billion ₩227000.00

Q.S.I Co. LTD Historical Marketcap From 2015 to 2026

Between 2015 and today, Q.S.I Co. LTD's market cap moved from $36.72 Million to $ 47.29 Million, with a yearly change of 1.99%.

Year Market Cap Change (%)
2026 ₩47.29 Million +5.26%
2025 ₩44.93 Million -28.45%
2024 ₩62.79 Million +4.54%
2023 ₩60.07 Million +6.27%
2022 ₩56.52 Million -63.41%
2021 ₩154.49 Million +57.63%
2020 ₩98.01 Million +23.35%
2019 ₩79.45 Million +201.48%
2018 ₩26.35 Million -27.91%
2017 ₩36.56 Million -28.81%
2016 ₩51.35 Million +39.84%
2015 ₩36.72 Million --

End of Day Market Cap According to Different Sources

On Aug 14th, 2026 the market cap of Q.S.I Co. LTD was reported to be:

Source Market Cap
Yahoo Finance $47.29 Million USD
MoneyControl $47.29 Million USD
MarketWatch $47.29 Million USD
marketcap.company $47.29 Million USD
Reuters $47.29 Million USD

Market cap values may vary slightly between sources due to differences in calculation methods, timing, and data refresh rates.

About Q.S.I Co. LTD

KQ:066310 Korea Semiconductors & Semiconductor Equipment
Market Cap
$47.29 Million
₩69.78 Billion KRW
Market Cap Rank
#22155 Global
#1394 in Korea
Share Price
₩7810.00
Change (1 day)
+0.39%
52-Week Range
₩5770.00 - ₩17870.00
All Time High
₩26102.53
About

Q.S.I Co., LTD. develops, manufactures, and sells red and infra-red laser diodes in South Korea and internationally. The company was founded in 2000 and is based in Cheonan-si, South Korea.