#日韩股集体大跌

🚨 ASIAN STOCKS PLUNGE! KOSPI -7.57%, SK HYNIX -11.06% — BUY THE DIP OR EXPECT MORE SELLING?
My Original Market View | October 15, 2026

Asian markets are under heavy selling pressure, with semiconductor and memory stocks facing sharp corrections. The key question is whether these declines are creating genuine buying opportunities or warning of another wave of losses.

My strategy is to separate the long-term AI growth story from short-term market sentiment. Strong industry demand can create opportunities, but it does not guarantee an immediate recovery.

1. Japan and South Korea: A Major Sell-Off 📉

Japan's Nikkei 225 fell approximately 5.04%, while South Korea's KOSPI dropped 7.57% to 5,554.22 on October 15. The KOSPI's reported intraday decline reached approximately 9.29%, triggering a temporary trading halt.

These are substantial declines, reflecting intense selling pressure and increased market uncertainty.
My view: Investors are reassessing valuations, inflation risks, interest-rate expectations, and exposure to expensive technology stocks. When major indices fall sharply, even fundamentally strong companies can face forced selling.

However, a market-wide correction does not automatically mean every affected company has a weak long-term outlook.

2. SK Hynix: Down 11.06% in One Session

SK Hynix closed at approximately ₩1,262,000, down 11.06%. Its reported session range was ₩1,250,000–₩1,332,000, with trading volume of around 6.19 million shares.

From its October 12 close of ₩1,605,000, the stock declined approximately 21.43% in three trading sessions.

That is a serious correction for a company exposed to advanced memory demand and AI infrastructure.

My view: I would closely monitor the ₩1.25 million area, near the reported session low. If buyers defend this level and price begins forming higher lows, a rebound becomes more credible. A decisive breakdown would warn that selling pressure remains active.

An 11% daily drop attracts attention, but it does not prove the stock has reached its bottom.

3. SanDisk: Is the Correction Creating Value?

SanDisk closed at $1,403.34 on October 14, down 5.33%. Its reported regular-session range was $1,402.02–$1,461.80, with approximately 7.40 million shares traded.

From its October 7 close of $1,692.42, SanDisk declined approximately 17.08%.

The latest confirmed regular-session figure used here is from October 14, not an October 15 close.

My view: SanDisk's recovery depends on storage demand, pricing, profitability, competition, and valuation. AI infrastructure may support long-term storage demand, but earnings must justify the price investors pay.

I would watch for stabilization near recent lows and stronger buying activity. A short-lived bounce is not enough to confirm a recovery.

SK Hynix and SanDisk also have different business exposures, so I would not assume both stocks will rebound at the same pace.

4. Why Are Memory Stocks Falling?

I see four major factors behind the pressure:

Inflation and interest rates: Persistent inflation can delay monetary easing and pressure growth-stock valuations.

High expectations: Investors may have already priced in years of strong AI-related growth. When expectations become excessive, even positive developments may fail to support share prices.

Earnings concerns: Memory pricing, competition, supply, inventory, and production costs can influence future profit margins.

Market-wide selling: Sharp index declines can trigger position reductions and increase selling pressure across technology stocks.

My conclusion: The AI growth story may remain strong while stock prices continue falling. Industry potential and attractive entry prices are two different things.

5. Gate Trading Attention: What Do the Figures Mean?

According to the CoinGlass figures cited in the supplied report:
SK Hynix: Reported Gate holdings represented 15.8% of the total network, ranking second.

SanDisk: Reported Gate holdings represented 18.15% of the total network, also ranking second.
These figures have not been independently verified here.

My view: Trading attention alone is not a bullish signal. It can reflect buying, selling, hedging, or speculation. Traders should focus on price action, volume, and actual demand instead of assuming high attention means accumulation.

6. Is AI Memory Still a Long-Term Opportunity?

I remain cautiously constructive on the long-term AI memory and storage theme.

AI infrastructure requires computing power, advanced memory, and storage capacity. Continued investment could support demand for companies supplying these essential components.

However, three risks remain:
Valuation: A strong company can still be overpriced.

Industry cycles: Supply, inventory, pricing, and competition can weaken profitability.

Macroeconomic pressure: Persistent inflation and restrictive financial conditions can hurt expensive growth stocks.

My position is clear: I remain interested in the long-term opportunity, but I am defensive in the short term. I would rather wait for evidence of stabilization than guess the exact bottom.

7. My Trading Strategy: What Would Make Me Buy?

Before entering, I would monitor four signals:

Price stabilization: Can SK Hynix hold near recent lows? Can SanDisk build a base instead of repeatedly making new lows?

Buying volume: Does trading activity strengthen during rebounds?
Sustained demand is more convincing than a brief bounce.
Fundamentals and valuation: Are earnings expectations holding up, and do current prices offer a reasonable risk-reward balance?
Macroeconomic direction: Are inflation and interest-rate concerns easing, or are they continuing to pressure growth stocks?
These are monitoring criteria, not guaranteed support levels or confirmed buy signals.

My priority is disciplined position sizing, avoiding emotional entries, and preserving capital if the correction continues.

💬 THREE IMPORTANT QUESTIONS — MY ANSWERS

Q1. Is This the Right Time to Buy the Dip?

My answer: Prepare for an opportunity, but do not rush into a large position.
SK Hynix has fallen approximately 21.43% from its October 12 close, while SanDisk has declined approximately 17.08% from its October 7 close.
Both deserve attention, but a lower price does not automatically mean better value.
For SK Hynix, I would monitor the ₩1.25 million area. For SanDisk, I would watch recent lows and assess whether its earnings outlook justifies its valuation.
If prices stabilize, buying strengthens, and fundamentals remain healthy, I would consider gradual entries according to my risk tolerance. If prices continue breaking lower, I would wait.

My decision: Prepare, observe, and wait for confirmation. Protecting capital matters more than catching the exact bottom.

Q2. Which Has Greater Rebound Potential: SK Hynix or SanDisk?
My answer: Compare fundamentals, valuation, and price confirmation—not just percentage losses.
SK Hynix offers exposure to advanced memory demand linked to AI infrastructure. If demand remains strong and earnings expectations hold up, it could offer an attractive recovery opportunity after selling pressure weakens.

SanDisk offers exposure to storage demand. Its recovery depends on pricing, margins, competition, and whether its valuation becomes attractive relative to expected earnings.

I would compare three things:
Which company has stronger revenue growth and sustainable profitability?
Which offers better value relative to earnings and business risks?
Which shows clearer evidence of buyers returning?

If SK Hynix demonstrates stronger earnings visibility and stabilizes, I would favor its advanced-memory exposure. If SanDisk offers a more attractive valuation backed by durable storage demand, it could be the better opportunity.

My decision: No automatic winner. The better investment is the company with stronger fundamentals, a reasonable entry price, and manageable downside risk.

Q3. Has the Memory Sector Corrected Enough, or Is More Downside Ahead?

My answer: The correction is substantial, but the bottom is not confirmed.

The Nikkei 225's approximately 5.04% decline, the KOSPI's 7.57% drop, SK Hynix's 11.06% daily loss, and SanDisk's recent correction highlight the pressure across the sector.

I see two possible scenarios:
Bullish scenario: Inflation concerns ease, interest-rate expectations improve, AI demand remains healthy, and memory stocks form higher lows with stronger buying volume.

Bearish scenario: Inflation remains persistent, borrowing costs stay restrictive, earnings expectations weaken, and investors continue reducing exposure to expensive technology stocks.

A temporary rebound is not the same as a confirmed recovery. I would look for price stabilization, resilient earnings expectations, and improving demand before becoming substantially more bullish.

My decision: Stay interested in the long-term AI opportunity, but remain cautious until the market provides stronger confirmation.

🔥 FINAL VERDICT: OPPORTUNITY OR ANOTHER WAVE OF SELLING?

Here are the key reported declines:
Nikkei 225: Approximately -5.04%
KOSPI: -7.57%

SK Hynix: -11.06% in the latest reported session

SK Hynix: Approximately -21.43% from its October 12 close

SanDisk: -5.33% in its latest confirmed regular session

SanDisk: Approximately -17.08% from its October 7 close

These numbers demonstrate the severity of the correction, not proof that the bottom has formed.

My strategy is to evaluate valuations carefully, monitor buying strength, follow earnings expectations, and avoid aggressive purchases based only on falling prices.
A correction creates a possibility, not a promise. Fundamentals build conviction, price action provides confirmation, and risk management protects capital.