Protec (KRX: 053610)
Who is buying Protec?
Between Sep 10, 2026 and Oct 13, 2026 (20 trading sessions), foreign investors net bought ₩6.0bn ($5M) of Protec, the 61st largest foreign net purchase among 1828 KOSDAQ stocks. Institutions net sold ₩5.0bn ($4M) and retail investors net sold ₩3.3bn ($2M) over the same window. Foreigners were net buyers on 12 of the 20 sessions.
Foreign investors hold 7.41% of Protec's listed shares (KRX ownership data as of Oct 13, 2026), up from 6.65% twenty sessions earlier and 2.76% a year ago.
The stock closed at ₩79,100 on Oct 13, 2026: +30.10% over 20 sessions, +131.63% year-to-date, +136.12% over one year. The 52-week range is ₩29,000 – ₩101,900.
At ₩79,100 the stock trades at 10.00× 12-month-forward consensus earnings (1 analysts), 10.30× on FY2027 estimates. The trailing P/E published by KRX is 14.94×, based on the last completed fiscal year.
View chart data as a table
| Date | Close | Foreign net | Institutions | Retail |
|---|---|---|---|---|
| 2026-10-13 | ₩79,100 | +₩0.9bn | +₩0.9bn | ₩-1.8bn |
| 2026-10-12 | ₩78,400 | +₩1.1bn | ₩-0.0bn | ₩-1.1bn |
| 2026-10-08 | ₩81,400 | +₩1.8bn | ₩-2.7bn | +₩0.8bn |
| 2026-10-07 | ₩80,700 | +₩4.0bn | ₩-3.9bn | +₩0.1bn |
| 2026-10-06 | ₩85,700 | +₩0.7bn | ₩-1.2bn | +₩0.3bn |
| 2026-10-02 | ₩85,000 | ₩-1.1bn | +₩1.3bn | ₩-0.1bn |
| 2026-10-01 | ₩85,200 | ₩-0.5bn | +₩1.0bn | ₩-1.0bn |
| 2026-09-30 | ₩81,200 | ₩-1.5bn | ₩-0.0bn | +₩0.4bn |
| 2026-09-29 | ₩78,500 | +₩0.5bn | ₩-0.1bn | ₩-0.5bn |
| 2026-09-28 | ₩73,600 | +₩0.7bn | +₩0.0bn | ₩-0.7bn |
| 2026-09-23 | ₩76,000 | +₩0.2bn | ₩-0.0bn | ₩-0.5bn |
| 2026-09-22 | ₩73,200 | ₩-0.9bn | ₩-0.6bn | +₩1.3bn |
| 2026-09-21 | ₩68,400 | ₩-0.5bn | ₩-0.1bn | +₩0.5bn |
| 2026-09-18 | ₩64,800 | ₩-0.4bn | +₩0.1bn | +₩0.3bn |
| 2026-09-17 | ₩65,000 | +₩0.3bn | +₩0.0bn | ₩-0.3bn |
| 2026-09-16 | ₩62,300 | +₩0.0bn | +₩0.0bn | ₩-0.1bn |
| 2026-09-15 | ₩61,100 | +₩0.1bn | ₩-0.0bn | ₩-0.0bn |
| 2026-09-14 | ₩61,500 | ₩-0.0bn | +₩0.0bn | +₩0.0bn |
| 2026-09-11 | ₩62,000 | ₩-0.1bn | ₩-0.1bn | +₩0.2bn |
| 2026-09-10 | ₩62,900 | +₩0.7bn | +₩0.4bn | ₩-1.1bn |
| 2026-09-09 | ₩60,800 | ₩-0.1bn | +₩0.0bn | +₩0.1bn |
| 2026-09-08 | ₩60,700 | ₩-0.7bn | ₩-0.4bn | +₩1.2bn |
| 2026-09-07 | ₩64,800 | ₩-0.2bn | +₩0.5bn | ₩-0.1bn |
| 2026-09-04 | ₩60,000 | +₩0.2bn | +₩0.3bn | ₩-0.4bn |
| 2026-09-03 | ₩58,100 | +₩0.3bn | +₩0.2bn | ₩-0.5bn |
| 2026-09-02 | ₩58,500 | +₩0.5bn | ₩-0.3bn | ₩-0.2bn |
| 2026-09-01 | ₩58,700 | +₩0.1bn | ₩-0.8bn | +₩0.7bn |
| 2026-08-31 | ₩60,700 | +₩0.6bn | ₩-0.1bn | ₩-0.4bn |
| 2026-08-28 | ₩60,700 | ₩-0.1bn | ₩-0.2bn | +₩0.4bn |
| 2026-08-27 | ₩62,900 | +₩0.4bn | ₩-0.2bn | ₩-0.2bn |
| 2026-08-26 | ₩61,500 | +₩0.2bn | ₩-0.2bn | +₩0.1bn |
| 2026-08-25 | ₩61,700 | +₩0.8bn | ₩-0.2bn | ₩-0.5bn |
| 2026-08-24 | ₩58,500 | +₩0.6bn | ₩-0.6bn | ₩-0.0bn |
| 2026-08-21 | ₩59,200 | +₩0.0bn | ₩-0.3bn | +₩0.3bn |
| 2026-08-20 | ₩63,400 | +₩0.0bn | ₩-0.3bn | +₩0.3bn |
| 2026-08-19 | ₩63,600 | +₩0.5bn | ₩-0.4bn | ₩-0.2bn |
| 2026-08-18 | ₩66,900 | ₩-1.2bn | ₩-0.2bn | +₩1.3bn |
| 2026-08-14 | ₩69,100 | +₩0.1bn | ₩-0.2bn | +₩0.0bn |
| 2026-08-13 | ₩64,800 | ₩-0.1bn | ₩-0.4bn | +₩0.4bn |
| 2026-08-12 | ₩63,800 | +₩0.0bn | ₩-0.4bn | +₩0.3bn |
| 2026-08-11 | ₩63,400 | +₩0.2bn | ₩-0.4bn | +₩0.2bn |
| 2026-08-10 | ₩63,800 | +₩0.6bn | ₩-0.1bn | ₩-0.4bn |
| 2026-08-07 | ₩59,900 | +₩0.6bn | ₩-0.4bn | ₩-0.2bn |
| 2026-08-06 | ₩61,700 | +₩0.0bn | ₩-0.4bn | +₩0.4bn |
| 2026-08-05 | ₩64,800 | ₩-0.1bn | +₩0.3bn | ₩-0.2bn |
| 2026-08-04 | ₩59,100 | +₩0.2bn | ₩-0.0bn | ₩-0.2bn |
| 2026-08-03 | ₩57,900 | ₩-0.0bn | +₩0.0bn | +₩0.0bn |
| 2026-07-31 | ₩57,700 | ₩-0.6bn | +₩0.7bn | ₩-0.2bn |
| 2026-07-30 | ₩48,300 | +₩0.1bn | +₩0.2bn | ₩-0.4bn |
| 2026-07-29 | ₩49,850 | ₩-0.3bn | +₩0.4bn | ₩-0.1bn |
| 2026-07-28 | ₩57,200 | +₩0.0bn | ₩-0.4bn | +₩0.3bn |
| 2026-07-27 | ₩64,800 | +₩0.2bn | +₩0.4bn | ₩-0.6bn |
| 2026-07-24 | ₩63,400 | ₩-0.3bn | +₩0.3bn | +₩0.1bn |
| 2026-07-23 | ₩65,200 | ₩-0.1bn | +₩0.3bn | ₩-0.2bn |
| 2026-07-22 | ₩64,300 | ₩-0.5bn | +₩0.7bn | ₩-0.2bn |
| 2026-07-21 | ₩63,300 | +₩0.2bn | ₩-0.3bn | +₩0.1bn |
| 2026-07-20 | ₩62,600 | ₩-0.2bn | +₩0.4bn | ₩-0.2bn |
| 2026-07-16 | ₩66,600 | ₩-0.1bn | ₩-0.0bn | +₩0.1bn |
| 2026-07-15 | ₩68,800 | +₩0.9bn | ₩-0.4bn | ₩-0.5bn |
| 2026-07-14 | ₩63,200 | ₩-0.4bn | +₩0.1bn | +₩0.3bn |
| 2026-07-13 | ₩64,800 | ₩-0.3bn | +₩0.2bn | +₩0.1bn |
Investor flows summary
| Window | Foreign | (USD) | Institutions | Retail |
|---|---|---|---|---|
| 1 day | +₩0.9bn | +$1M | +₩0.9bn | ₩-1.8bn |
| 5 days | +₩8.6bn | +$6M | ₩-6.9bn | ₩-1.8bn |
| 20 days | +₩6.0bn | +$5M | ₩-5.0bn | ₩-3.3bn |
Positive = net buying, negative = net selling. Values aggregate the KRX main board and the NXT alternative venue.
Frequently asked questions
Are foreign investors buying Protec stock?
Over the last 5 sessions foreign investors net bought ₩8.6bn ($6M) of Protec; over 60 sessions they net bought ₩8.2bn ($6M); since Jan 1, 2026 they net bought ₩13.4bn ($10M). Over 20 sessions the stock is the 61st largest foreign net purchase among 1828 KOSDAQ stocks.
How much of Protec do foreign investors own?
Foreign investors own 7.41% of Protec's shares as of Oct 13, 2026, versus 2.76% one year earlier. The figure is KRX's daily foreign holdings divided by listed shares, and it reflects trades settled through the previous session.
Who is on the other side — institutions or retail investors?
Over 20 sessions institutions net sold ₩5.0bn ($4M) and retail investors net sold ₩3.3bn ($2M) of Protec. Foreign buying is being met mainly by retail selling.
Is Protec listed on KOSPI or KOSDAQ?
Protec (프로텍) trades on KOSDAQ under KRX code 053610 in the Semiconductors group, with a market capitalization of ₩1T ($0.5B). Daily net flows by investor type are published by KRX after each session and combine the KRX main board with the NXT venue.
Annual financials
| Fiscal year | Revenue | YoY | Operating profit | Net income |
|---|---|---|---|---|
| 2023 | ₩156bn ($117M) | – | ₩17bn ($13M) | ₩17bn ($13M) |
| 2024 | ₩170bn ($128M) | +9.10% | ₩13bn ($10M) | ₩13bn ($10M) |
| 2025 | ₩231bn ($173M) | +35.40% | ₩46bn ($35M) | ₩35bn ($27M) |
Consolidated (K-IFRS) where available, from DART regulatory filings. USD figures converted at the current rate (₩1333.09/$) for reference only.