Themes · Korea
Ongoing theme
Optical Communication
An overview for this page is not available in English yet. The figures below are updated daily.
At a glance 2026-10-07 basis
Constituents33
Total market cap29.1조
Avg. 1W+8.09%
Avg. 1M+40.63%
Avg. 3M+31.58%
Up over 1M90.9%
Median P/E40.8
Simple averages of constituents; not an index.
Constituents by market cap
| Company | Market cap | Day | 1W | 1M | 3M | P/E |
|---|---|---|---|---|---|---|
| LS 006260 | 8.7조 | -6.51% | -12.11% | -4.28% | -25.27% | 28.3 |
| 대한광통신 010170 | 2.8조 | -3.18% | +5.42% | +39.14% | +46.08% | — |
| 서진시스템 178320 | 2.6조 | -3.84% | +10.28% | +24.40% | -18.86% | — |
| 성호전자 043260 | 2.5조 | +0.93% | +30.60% | +109.29% | +47.74% | 24.3 |
| LS마린솔루션 060370 | 1.8조 | -3.00% | +5.44% | +14.14% | +24.18% | 157.7 |
| RFHIC 218410 | 1.6조 | -5.61% | +0.51% | +26.94% | +1.90% | 52.1 |
| RF머트리얼즈 327260 | 9,605억 | -7.61% | +8.21% | +57.99% | +115.35% | 125.9 |
| 케이엠더블유 032500 | 8,438억 | -4.31% | +5.43% | +41.14% | +16.55% | — |
| 인텔리안테크 189300 | 7,355억 | -7.93% | +2.09% | +12.85% | -7.06% | 94.6 |
| 쏠리드 050890 | 6,136억 | -4.54% | +5.54% | +20.81% | -6.31% | 16.6 |
| 광전자 017900 | 6,125억 | +2.32% | +11.85% | +53.63% | +68.85% | 124.3 |
| 빛과전자 069540 | 5,871억 | +3.99% | +29.44% | +95.86% | +153.53% | — |
| 엑스게이트 356680 | 5,406억 | -7.61% | +2.10% | +76.02% | +39.57% | 139.3 |
| 삼지전자 037460 | 5,100억 | -4.58% | +0.32% | +4.17% | -7.82% | 6.2 |
| 파이버프로 368770 | 4,606억 | -3.44% | +8.94% | +21.07% | +2.94% | 49.2 |
| 티엠씨 217590 | 4,551억 | -1.05% | +35.54% | +87.09% | +55.19% | — |
| PS일렉트로닉스 332570 | 4,029억 | -5.39% | -2.77% | +19.32% | +69.96% | 18.2 |
| 오이솔루션 138080 | 3,911억 | -4.10% | +12.26% | +54.90% | +32.49% | — |
| 우리로 046970 | 3,602억 | -5.08% | +10.71% | +75.21% | +57.22% | — |
| 옵티코어 380540 | 2,067억 | +0.00% | +0.00% | +0.00% | +0.00% | — |
| 에치에프알 230240 | 1,850억 | -2.46% | +3.51% | +21.55% | -18.67% | — |
| 에이스테크 088800 | 1,771억 | -5.06% | +11.40% | +35.78% | +25.00% | — |
| 라이콤 388790 | 1,659억 | -5.08% | +3.27% | +36.29% | +24.31% | 677.5 |
| 케이씨에스 115500 | 1,433억 | -6.35% | +10.14% | +41.92% | +36.57% | 56.6 |
| 빛샘전자 072950 | 1,308억 | -6.29% | +16.83% | +98.53% | +100.00% | 17.2 |
| 우리넷 115440 | 1,241억 | -5.97% | -2.46% | +66.14% | +57.91% | 32.5 |
| 자람테크놀로지 389020 | 1,117억 | -4.88% | +3.12% | -20.43% | -29.87% | — |
| 머큐리 100590 | 1,020억 | -5.25% | +24.87% | +77.35% | +58.88% | — |
| 한국첨단소재 062970 | 968억 | +1.26% | +7.38% | +72.97% | +27.14% | — |
| 기가레인 049080 | 805억 | -4.91% | -1.25% | +23.60% | +72.99% | — |
| 와이어블 065530 | 708억 | -2.05% | +15.18% | +24.89% | +31.09% | 15.6 |
| 코위버 056360 | 633억 | -6.78% | +4.86% | +25.88% | +20.04% | 17.0 |
| 이노인스트루먼트 215790 | 268억 | +4.55% | +0.45% | +6.56% | -29.45% | — |
Sources and notes
This page summarizes public filings, market data and news for information only. It is not a recommendation to buy or sell any security. Figures are as of the dates shown; check the original filings before making decisions.