KOSDAQ Falls 1.62% as US IT and Chip Stocks Drop 3.29%: Why?

KOSDAQ -1.62%, KOSPI +0.30%.

Same session close, but the directions split.

To find the reason for the KOSDAQ drop, start with the US overnight.

Retail investor:

"KOSPI rose, so why is only my account red?"

The indexes diverged because KOSDAQ fell harder.

October 23 KOSPI Close: How Did KOSDAQ Differ?

KOSPI: 5,550.30 (+0.30%)

KOSDAQ: 751.69 (-1.62%)

(Based on the confirmed close on 2026-10-23.)

KOSPI held up, while KOSDAQ dropped more than 1%.

News headlines flagged a joint slide in HBM-related stocks.

Headlines confirm SK Hynix down 5.72% and Hanmi Semiconductor down 4.72%. (Source: recent news headlines)

How Did US Markets Do Overnight?

Consumer Staples: +3.31%

Utilities: +2.07%

Healthcare: +1.32%

Industrials: -0.94%

Communication: -1.42%

IT and Semiconductors: -3.29%

Defensive sectors rose, while IT and semiconductors fell the most.

Headlines also pointed to concerns over AI chip leadership, including Nvidia.

KOSPI Outlook: What to Watch at the Open?

This piece does not make a forecast. It only lists items to confirm.

→ 1. How large chip stocks absorb the US IT and semiconductor drop of -3.29%

→ 2. Whether KOSDAQ extends its losses after the -1.62% move

→ 3. Whether interest continues in robot and humanoid headline stocks

What Are the Fed and Bitcoin Signals?

Polymarket bettors put 94% odds on no rate change after the October meeting.

The rate outlook looks like a small variable given market expectations.

Headlines reported 526 million dollars in Bitcoin ETF inflows. (Source: Polymarket, news headlines)

So, Up or Down?

Pressing down

• US IT and semiconductors, -3.29%, more chip-sector pressure
• KOSDAQ, -1.62%, a weak close after the prior session
• HBM stocks, SK Hynix -5.72%, a joint decline

Holding up

• KOSPI, +0.30%, the index closed on the defensive side
• US consumer staples, +3.31%, defensive strength
• Rate hold expectations, 94%, limited policy risk

Just keep these as reference points.

PickStock 💡

※ This article is for informational purposes only and is not investment advice.
※ Investment decisions and responsibility rest with the investor.
※ Figures are as of the time of writing and may change.

This article is for informational purposes only and is not investment advice.