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KOSPI Reclaims 7,000 Level for First Time in 33 Trading Days on AI Momentum

KOSPI is back above the psychologically important 7,000 level. The index closed at 7,051.64 today, gaining 1.40% and reclaiming 7,000 for the first time in 33 trading sessions. The move is another sign that AI-related semiconductor strength is once again becoming a major driver of Korean equities.

Market View

The biggest signal behind the move is the continued strength of South Korea's memory-chip sector. SK Hynix rose 3.51% to 1.856 million won, adding fresh momentum to the index as investors continued to price in stronger AI infrastructure spending and more visible semiconductor demand.

This is not simply another semiconductor rally. The structure of the memory market itself is changing. SK Hynix has reported that more than 10 customers have signed long-term supply agreements covering roughly five years, reducing reliance on short-term order cycles and giving manufacturers greater visibility into future demand.

AI Demand

The core investment thesis remains high-bandwidth memory and the enormous computing requirements of next-generation AI systems. OpenAI has deepened cooperation with Samsung and SK Hynix, with both Korean memory leaders involved in supplying advanced memory for the Stargate AI infrastructure initiative.

That matters because AI data centers require enormous quantities of advanced memory. As model complexity increases, demand for HBM and other high-performance memory products can remain strong even when traditional semiconductor cycles become more volatile.

LTA Effect

The most interesting part of the current setup is the expansion of LTAs, or long-term agreements. Historically, memory stocks have been highly cyclical because pricing and orders can change rapidly from quarter to quarter. Multi-year contracts can make revenue visibility stronger by locking in customer relationships and providing suppliers with greater confidence when planning capacity.

SK Hynix has indicated that AI investment from major technology companies should sustain memory demand into 2027, while long-term agreements with major customers are helping reduce concerns about a sudden post-boom demand collapse.

Trade Logic

This creates a powerful combination for KOSPI: AI spending is increasing, advanced memory demand remains tight, and a larger share of future semiconductor demand is becoming contractually visible.

That combination can improve earnings visibility for the country's biggest chipmakers. Since semiconductor companies have significant influence on the Korean benchmark, stronger expectations for SK Hynix and Samsung can translate directly into stronger index momentum.

But there is an important risk. LTAs can reduce the volatility of the traditional memory cycle, but they cannot completely eliminate it. If global AI capital expenditure slows sharply or new memory capacity expands faster than demand, pricing pressure could still return.

Key Levels

The immediate battle is now around 7,000. After reclaiming the level, KOSPI needs to hold above it to turn the psychological resistance into a potential support zone. A sustained move above 7,000 would keep the recent recovery structure constructive, while a move back below it could signal that the breakout needs more consolidation.

The next focus is whether semiconductor momentum can continue translating into broader participation across the index rather than remaining concentrated in a handful of AI beneficiaries.

Next Move

For now, the message from KOSPI is clear: the AI trade is back in control, and the semiconductor cycle is becoming increasingly tied to multi-year AI infrastructure investment.

KOSPI at 7,051.64, SK Hynix at 1.856 million won, and expanding long-term memory contracts create a very different setup from the short-term order-driven cycles that previously dominated the sector.

The key shift is not just higher chip demand. It is greater visibility of that demand. If AI investment continues accelerating while Korean memory leaders secure more long-term contracts, semiconductor earnings visibility could remain one of the strongest catalysts behind the next phase of KOSPI performance.
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