Big move · South Korea stocks
SK hynix Inc. (000660) rises 5.8% to KRW 1,294,000.00
Its biggest one-day rise in 5 weeks.
- Close
- KRW 1,294,000.00
- On the day
- +5.8%
- Volume
- 1.3× average
- vs 52-week high
- −55.7%
SK hynix Inc. closing prices
The last 90 closes up to 21 October 2026. The live chart is on the 000660 page.
What happened
SK hynix Inc. (000660) closed at KRW 1,294,000.00 on 21 October 2026, up 5.8% from KRW 1,223,000.00 the session before.
It was 000660's biggest one-day rise in 5 weeks. Over 5 sessions the price is down 8.8%, and over 20 sessions it is down 25.8%.
The close is 55.7% below the highest close of the past year (KRW 2,919,000.00 on 22 Jun 2026) and 214.5% above the lowest (KRW 411,500.00 on 14 Oct 2025).
Volume was close to its recent average.
Across the 23 KSE stocks we track, 12 closed higher and 11 closed lower that day, with a median change of +0.10%. 000660's change was +5.8%.
This page reports what the price and volume data show. It does not say why the price moved.
The numbers
| Previous close | KRW 1,223,000.00 |
|---|---|
| Close | KRW 1,294,000.00 |
| Change on the day | +5.81% |
| Change over 5 sessions | −8.81% |
| Change over 20 sessions | −25.85% |
| Volume | 4.34 Million |
| Average volume, up to 20 sessions before | 3.45 Million |
| Volume against that average | 1.3 times |
| Highest close in the past year | KRW 2,919,000.00 (22 Jun 2026) |
| Lowest close in the past year | KRW 411,500.00 (14 Oct 2025) |
The full chart and history are on SK hynix Inc. (000660). More from this market: KSE news today.