Big move · South Korea stocks
SK Square Co., Ltd. (402340) plunges 12.9% to KRW 857,000.00
Its biggest one-day fall in 2 months, on 2.1 times its 20-day average volume.
- Close
- KRW 857,000.00
- On the day
- −12.9%
- Volume
- 2.1× average
- vs 52-week high
- −56.5%
SK Square Co., Ltd. closing prices
The last 90 closes up to 13 October 2026. The live chart is on the 402340 page.
What happened
SK Square Co., Ltd. (402340) closed at KRW 857,000.00 on 13 October 2026, down 12.9% from KRW 984,000.00 the session before.
It was 402340's biggest one-day fall in 2 months. It was the fourth lower close in a row. Over 5 sessions the price is down 26.1%, and over 20 sessions it is down 24.7%.
The close is 56.5% below the highest close of the past year (KRW 1,970,000.00 on 22 Jun 2026) and 265.5% above the lowest (KRW 234,500.00 on 14 Oct 2025).
Trading was heavy: volume was 2.1 times its average of the sessions before.
Across the 25 KSE stocks we track, 5 closed higher and 20 closed lower that day, with a median change of −1.82%. 402340's change was −12.9%.
This page reports what the price and volume data show. It does not say why the price moved.
The numbers
| Previous close | KRW 984,000.00 |
|---|---|
| Close | KRW 857,000.00 |
| Change on the day | −12.91% |
| Change over 5 sessions | −26.12% |
| Change over 20 sessions | −24.69% |
| Volume | 1.17 Million |
| Average volume, up to 20 sessions before | 554,423 |
| Volume against that average | 2.1 times |
| Highest close in the past year | KRW 1,970,000.00 (22 Jun 2026) |
| Lowest close in the past year | KRW 234,500.00 (14 Oct 2025) |
The full chart and history are on SK Square Co., Ltd. (402340). More from this market: KSE news today.