PSK (KRX: 319660)
Who is buying PSK?
Between Sep 10, 2026 and Oct 13, 2026 (20 trading sessions), foreign investors net sold ₩100.7bn ($76M) of PSK, the 10th largest foreign net sale among 1828 KOSDAQ stocks. Institutions net bought ₩77.4bn ($58M) and retail investors net bought ₩22.9bn ($17M) over the same window. Foreigners were net buyers on 8 of the 20 sessions.
Foreign investors hold 21.63% of PSK's listed shares (KRX ownership data as of Oct 13, 2026), down from 23.49% twenty sessions earlier and 23.24% a year ago.
The stock closed at ₩149,100 on Oct 13, 2026: +13.13% over 20 sessions, +304.07% year-to-date, +326.61% over one year. The 52-week range is ₩28,850 – ₩219,500.
At ₩149,100 the stock trades at 23.50× 12-month-forward consensus earnings (3 analysts), 23.04× on FY2027 estimates. The trailing P/E published by KRX is 54.98×, based on the last completed fiscal year — the gap reflects earnings expected to rise sharply from last year's level.
View chart data as a table
| Date | Close | Foreign net | Institutions | Retail |
|---|---|---|---|---|
| 2026-10-13 | ₩149,100 | ₩-6.0bn | +₩19.3bn | ₩-12.1bn |
| 2026-10-12 | ₩140,000 | +₩19.9bn | ₩-11.4bn | ₩-7.4bn |
| 2026-10-08 | ₩145,100 | ₩-8.8bn | +₩10.7bn | ₩-1.6bn |
| 2026-10-07 | ₩137,200 | +₩0.3bn | ₩-22.7bn | +₩22.8bn |
| 2026-10-06 | ₩154,000 | ₩-2.6bn | ₩-4.2bn | +₩6.5bn |
| 2026-10-02 | ₩152,000 | ₩-13.5bn | ₩-16.6bn | +₩28.8bn |
| 2026-10-01 | ₩161,900 | ₩-15.3bn | +₩10.9bn | +₩3.3bn |
| 2026-09-30 | ₩148,500 | ₩-8.3bn | ₩-0.9bn | +₩8.2bn |
| 2026-09-29 | ₩148,800 | ₩-4.8bn | +₩6.5bn | ₩-2.1bn |
| 2026-09-28 | ₩141,000 | +₩5.2bn | ₩-3.9bn | ₩-1.4bn |
| 2026-09-23 | ₩144,800 | +₩4.1bn | +₩19.4bn | ₩-23.8bn |
| 2026-09-22 | ₩130,900 | ₩-9.0bn | ₩-4.5bn | +₩13.8bn |
| 2026-09-21 | ₩136,900 | +₩7.4bn | +₩4.3bn | ₩-11.4bn |
| 2026-09-18 | ₩126,900 | +₩2.8bn | ₩-1.6bn | ₩-1.0bn |
| 2026-09-17 | ₩126,200 | ₩-4.6bn | +₩0.9bn | +₩4.2bn |
| 2026-09-16 | ₩129,500 | +₩9.8bn | +₩2.1bn | ₩-12.0bn |
| 2026-09-15 | ₩118,300 | +₩10.7bn | ₩-1.7bn | ₩-8.7bn |
| 2026-09-14 | ₩116,100 | ₩-0.5bn | ₩-4.8bn | +₩5.3bn |
| 2026-09-11 | ₩123,000 | ₩-15.3bn | ₩-3.0bn | +₩18.2bn |
| 2026-09-10 | ₩130,300 | ₩-71.9bn | +₩78.7bn | ₩-6.7bn |
| 2026-09-09 | ₩131,800 | +₩2.1bn | +₩4.4bn | ₩-6.6bn |
| 2026-09-08 | ₩125,500 | +₩0.3bn | +₩0.1bn | ₩-0.2bn |
| 2026-09-07 | ₩128,200 | ₩-0.9bn | ₩-14.1bn | +₩14.8bn |
| 2026-09-04 | ₩126,500 | +₩0.9bn | ₩-2.0bn | +₩1.0bn |
| 2026-09-03 | ₩122,400 | +₩11.1bn | ₩-6.7bn | ₩-3.5bn |
| 2026-09-02 | ₩124,000 | +₩10.5bn | ₩-7.2bn | ₩-3.0bn |
| 2026-09-01 | ₩125,700 | +₩8.4bn | ₩-3.8bn | ₩-4.2bn |
| 2026-08-31 | ₩127,700 | +₩5.8bn | ₩-6.8bn | +₩1.3bn |
| 2026-08-28 | ₩128,600 | +₩0.3bn | ₩-3.2bn | +₩2.6bn |
| 2026-08-27 | ₩133,400 | +₩3.9bn | +₩0.3bn | ₩-3.9bn |
| 2026-08-26 | ₩129,500 | +₩7.7bn | ₩-5.2bn | ₩-2.0bn |
| 2026-08-25 | ₩129,900 | +₩7.8bn | ₩-3.1bn | ₩-4.3bn |
| 2026-08-24 | ₩125,300 | +₩17.8bn | ₩-6.2bn | ₩-10.4bn |
| 2026-08-21 | ₩122,200 | +₩7.3bn | ₩-7.9bn | +₩0.3bn |
| 2026-08-20 | ₩130,100 | ₩-2.5bn | ₩-1.5bn | +₩4.2bn |
| 2026-08-19 | ₩129,100 | +₩17.7bn | ₩-10.6bn | ₩-6.4bn |
| 2026-08-18 | ₩132,000 | +₩11.4bn | ₩-4.4bn | ₩-7.2bn |
| 2026-08-14 | ₩134,100 | +₩7.6bn | ₩-10.0bn | +₩1.7bn |
| 2026-08-13 | ₩134,600 | ₩-1.6bn | +₩0.6bn | +₩0.4bn |
| 2026-08-12 | ₩132,800 | ₩-1.4bn | ₩-4.8bn | +₩5.7bn |
| 2026-08-11 | ₩129,100 | ₩-15.2bn | ₩-0.2bn | +₩15.2bn |
| 2026-08-10 | ₩132,700 | ₩-11.9bn | +₩14.5bn | ₩-3.7bn |
| 2026-08-07 | ₩118,400 | +₩10.8bn | ₩-7.8bn | ₩-3.6bn |
| 2026-08-06 | ₩121,200 | +₩7.1bn | ₩-5.0bn | ₩-2.2bn |
| 2026-08-05 | ₩127,700 | ₩-17.1bn | +₩0.6bn | +₩16.2bn |
| 2026-08-04 | ₩126,000 | ₩-12.6bn | +₩3.2bn | +₩8.4bn |
| 2026-08-03 | ₩125,500 | ₩-10.0bn | +₩9.6bn | ₩-0.2bn |
| 2026-07-31 | ₩129,600 | ₩-49.4bn | +₩38.4bn | +₩10.4bn |
| 2026-07-30 | ₩101,400 | +₩22.6bn | ₩-16.5bn | ₩-5.7bn |
| 2026-07-29 | ₩114,900 | +₩32.8bn | ₩-18.3bn | ₩-13.6bn |
| 2026-07-28 | ₩125,500 | +₩34.2bn | ₩-21.9bn | ₩-12.1bn |
| 2026-07-27 | ₩146,000 | ₩-1.9bn | +₩0.5bn | +₩1.8bn |
| 2026-07-24 | ₩143,900 | +₩26.2bn | ₩-22.7bn | ₩-2.5bn |
| 2026-07-23 | ₩157,000 | +₩22.6bn | ₩-12.4bn | ₩-10.3bn |
| 2026-07-22 | ₩156,700 | ₩-7.7bn | ₩-5.7bn | +₩13.3bn |
| 2026-07-21 | ₩170,000 | +₩4.0bn | ₩-4.9bn | +₩0.6bn |
| 2026-07-20 | ₩170,800 | ₩-23.3bn | +₩16.1bn | +₩7.5bn |
| 2026-07-16 | ₩195,400 | ₩-6.0bn | +₩2.9bn | +₩3.8bn |
| 2026-07-15 | ₩204,500 | ₩-53.2bn | +₩17.0bn | +₩35.1bn |
| 2026-07-14 | ₩203,500 | ₩-28.6bn | +₩23.5bn | +₩5.0bn |
| 2026-07-13 | ₩184,600 | ₩-68.4bn | +₩78.7bn | ₩-10.0bn |
Investor flows summary
| Window | Foreign | (USD) | Institutions | Retail |
|---|---|---|---|---|
| 1 day | ₩-6.0bn | $-4M | +₩19.3bn | ₩-12.1bn |
| 5 days | +₩2.8bn | +$2M | ₩-8.3bn | +₩8.3bn |
| 20 days | ₩-100.7bn | $-76M | +₩77.4bn | +₩22.9bn |
Positive = net buying, negative = net selling. Values aggregate the KRX main board and the NXT alternative venue.
Frequently asked questions
Are foreign investors buying PSK stock?
Over the last 5 sessions foreign investors net bought ₩2.8bn ($2M) of PSK; over 60 sessions they net sold ₩63.1bn ($47M); since Jan 1, 2026 they net sold ₩281.1bn ($211M). Over 20 sessions the stock is the 10th largest foreign net sale among 1828 KOSDAQ stocks.
How much of PSK do foreign investors own?
Foreign investors own 21.63% of PSK's shares as of Oct 13, 2026, versus 23.24% 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 bought ₩77.4bn ($58M) and retail investors net bought ₩22.9bn ($17M) of PSK. Foreign selling is being absorbed mainly by retail buying.
Is PSK listed on KOSPI or KOSDAQ?
PSK (피에스케이) trades on KOSDAQ under KRX code 319660 in the Semiconductors group, with a market capitalization of ₩4T ($3.2B). 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 | ₩352bn ($264M) | – | ₩54bn ($41M) | ₩53bn ($39M) |
| 2024 | ₩398bn ($299M) | +13.10% | ₩84bn ($63M) | ₩79bn ($59M) |
| 2025 | ₩457bn ($343M) | +14.90% | ₩88bn ($66M) | ₩79bn ($59M) |
Consolidated (K-IFRS) where available, from DART regulatory filings. USD figures converted at the current rate (₩1333.09/$) for reference only.