Q.S.I Co. LTD
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.
Market Cap & Net Worth: Q.S.I Co. LTD (066310)
Q.S.I Co. LTD (KQ:066310) has a market capitalization of $61.08 Million (₩89.44 Billion) as of March 18, 2026. Listed on the KQ stock exchange, this Korea-based company holds position #21855 globally and #1063 in its home market, demonstrating a 26.39% 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 ₩10010.00 by its total outstanding shares 8934760 (8.93 Million).
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 $37.00 Million to $61.08 Million (4.53% CAGR).
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
|
$167.85 Billion | 0.03% | #496 of 1384 |
|
Kosdaq Composite Index
KQ11
|
$167.85 Billion | 0.03% | #496 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.
Latest Price to Sales (P/S) Ratio
0.00x
Q.S.I Co. LTD's market cap is 0.00 times its annual revenue
0.00x
Higher than industry averageLatest Price to Earnings (P/E) Ratio
0.02x
Q.S.I Co. LTD's market cap is 0.02 times its annual earnings
0.03x
Lower than industry averageWhat 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 | $37.00 Million | $25.50 Billion | $1.39 Billion | 0.00x | 0.03x |
| 2016 | $51.75 Million | $22.02 Billion | $1.42 Billion | 0.00x | 0.04x |
| 2017 | $36.84 Million | $22.63 Billion | $751.45 Million | 0.00x | 0.05x |
| 2018 | $26.56 Million | $18.82 Billion | -$353.39 Million | 0.00x | N/A |
| 2019 | $80.07 Million | $22.68 Billion | $1.10 Billion | 0.00x | 0.07x |
| 2020 | $98.77 Million | $23.00 Billion | $135.84 Million | 0.00x | 0.73x |
| 2021 | $155.70 Million | $29.38 Billion | $1.56 Billion | 0.01x | 0.10x |
| 2022 | $56.96 Million | $22.70 Billion | $7.01 Billion | 0.00x | 0.01x |
| 2023 | $60.53 Million | $18.69 Billion | $2.71 Billion | 0.00x | 0.02x |
| 2024 | $63.28 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 March 18, 2026.
Key companies related to Q.S.I Co. LTD by market ranking:
- JUSUNG ENGINEERING Co. Ltd (KQ:036930): Ranked #6027 globally with a market cap of $1.42 Billion USD ( ₩2.07 Trillion KRW).
- Eugene Technology Co.Ltd (KQ:084370): Ranked #6757 globally with a market cap of $1.15 Billion USD ( ₩1.69 Trillion KRW).
- ISC Co. Ltd (KQ:095340): Ranked #6852 globally with a market cap of $1.12 Billion USD ( ₩1.64 Trillion KRW).
- S&S TECH Corporation (KQ:101490): Ranked #7945 globally with a market cap of $854.44 Million USD ( ₩1.25 Trillion KRW).
| Rank | Company | Symbol | Market Cap | Price |
|---|---|---|---|---|
| #6027 | JUSUNG ENGINEERING Co. Ltd | KQ:036930 | $1.42 Billion | ₩61100.00 |
| #6757 | Eugene Technology Co.Ltd | KQ:084370 | $1.15 Billion | ₩121400.00 |
| #6852 | ISC Co. Ltd | KQ:095340 | $1.12 Billion | ₩211000.00 |
| #7945 | S&S TECH Corporation | KQ:101490 | $854.44 Million | ₩86500.00 |
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 $37.00 Million to $ 61.08 Million, with a yearly change of 4.53%.
| Year | Market Cap | Change (%) |
|---|---|---|
| 2026 | ₩61.08 Million | +34.91% |
| 2025 | ₩45.28 Million | -28.45% |
| 2024 | ₩63.28 Million | +4.54% |
| 2023 | ₩60.53 Million | +6.27% |
| 2022 | ₩56.96 Million | -63.41% |
| 2021 | ₩155.70 Million | +57.63% |
| 2020 | ₩98.77 Million | +23.35% |
| 2019 | ₩80.07 Million | +201.48% |
| 2018 | ₩26.56 Million | -27.91% |
| 2017 | ₩36.84 Million | -28.81% |
| 2016 | ₩51.75 Million | +39.84% |
| 2015 | ₩37.00 Million | -- |
End of Day Market Cap According to Different Sources
On Mar 18th, 2026 the market cap of Q.S.I Co. LTD was reported to be:
| Source | Market Cap |
|---|---|
| Yahoo Finance | $61.08 Million USD |
| MoneyControl | $61.08 Million USD |
| MarketWatch | $61.08 Million USD |
| marketcap.company | $61.08 Million USD |
| Reuters | $61.08 Million USD |
Market cap values may vary slightly between sources due to differences in calculation methods, timing, and data refresh rates.