Kospi Climbs Back Into Bull-Market Territory

South Korea's benchmark Kospi re-entered a technical bull market on Thursday, closing 4% higher and finishing 22% above its July 30 low. The threshold — a 20% rise from a recent closing low — arrived just two weeks after the index had suffered one of its sharpest sell-offs in years.

The scale of the swing was extreme. From a June 22 peak to that July 30 trough, the Kospi dropped roughly 40%. Much of the damage came from Samsung Electronics and SK Hynix: the two chip heavyweights accounted for 71% of the index's losses and fell 48% combined, compared with a 26% decline for the rest of the market.

Thursday's session showed the same names working in the opposite direction. Samsung Electronics rose 5% and SK Hynix rose 6% as optimism about AI-driven memory demand lifted chip stocks. Macquarie Capital analysts said the July slide looked driven more by investor positioning and fund flows than by a deterioration in underlying fundamentals. They noted that foreign and institutional selling had stabilized since late July and that margin financing remained at reasonable levels.

Macquarie described the volatility as over, but also stressed that a technical bull market does not guarantee that the rally will continue. So far in August, the Kospi is up 3.3% month to date. The bank expects Samsung and SK Hynix to lead the near-term rebound and has a year-end Kospi target of 8,000, about 17% above its current level of 6,813.34.

Advertisement

Why the Rebound Is Concentrated in Samsung and SK Hynix

Samsung and SK Hynix Are the Rally's Engine

The Kospi's return to bull-market territory is unusually concentrated. Samsung Electronics and SK Hynix were not only responsible for most of the July rout — 71% of the index's losses — but are also the names Macquarie expects to drive the recovery. Their 5% and 6% moves on Thursday show how strongly the benchmark responds to shifts in sentiment around the two memory-chip producers. That concentration is a double-edged factor: it can produce rapid recoveries when chip demand sentiment improves, but it leaves the index exposed if either company disappoints.

Macquarie's Thesis Hinges on a Memory Supply Crunch

Macquarie's bullish tilt rests on a specific supply-and-demand claim: that the industry is facing the worst memory crunch in history and that supply constraints are unlikely to ease within three years. The analysts say AI inference-driven demand is exceptionally strong and requires large amounts of memory while supply remains slow to respond. If that view is correct, Samsung and SK Hynix have meaningful earnings and pricing support in the near term. The important caveat is that this is an analyst house's forecast, not an established fact; the memory market has historically been cyclical, and demand assumptions around AI can change quickly.

Technical Bull Market Is a Label, Not a Guarantee

Crossing the 20% threshold is a useful marker, but it says little about the next two weeks or the next two quarters. Macquarie itself notes that the technical definition does not ensure continuation. The calmer August performance and the stabilization in foreign and institutional flows are factual supports for the recovery so far. The case for further gains depends on whether those flows remain steady and whether the memory-chip demand story continues to hold.

What the Kospi's Move Signals for Market-Watchers

The Kospi's move gives market participants a clearer picture of what is driving Korean equities, but the rebound is concentrated enough to require specific attention rather than a broad conclusion.

  • Follow Samsung Electronics and SK Hynix memory-price and capacity commentary. Because the two stocks accounted for 71% of the Kospi's July losses and are expected by Macquarie to lead the rebound, their earnings guidance and memory-pricing signals will matter more for the index than most other news.
  • Treat the 8,000 year-end target as a scenario tied to memory-supply constraints. Macquarie's target implies roughly 17% upside from 6,813.34, but the logic depends on its view that the memory crunch persists and supply cannot respond quickly. A technical bull-market label does not confirm that path.
  • Separate index momentum from flow stabilization. Macquarie attributes the calmer August to steadier foreign and institutional selling and reasonable margin financing. A renewed bout of outflows could quickly pressure the same two stocks that led the rebound.

Risk & Opportunity Assessment

Commercial RiskMediumThe index rebound remains heavily dependent on Samsung Electronics and SK Hynix; a reversal in memory-chip demand or pricing would directly weaken the commercial outlook for the two stocks that drove most of the move.
Competitive RiskMediumMacquarie's thesis assumes memory supply stays constrained for up to three years; competitors adding capacity faster than expected would undercut the pricing support behind the rebound.
Regulatory RiskLowThe article does not identify any new regulatory measures affecting the Kospi, Samsung Electronics, or SK Hynix.
Reputation RiskLowNo reputational event is central to the story; the move reflects market positioning and analyst forecasts.
Technology DisruptionMediumAI inference demand is the main technology driver supporting memory demand; if AI investment shifts or memory technology evolves differently, the demand assumptions behind the rally could weaken.
Commercial OpportunityHighMacquarie describes a historic memory supply crunch and very strong AI-driven demand, giving Samsung and SK Hynix a substantial near-term opportunity and underpinning an 8,000 Kospi target.