Key Takeaways
- • South Korea's Kospi index has surged approximately 22–25% from its July 30 closing low, officially re-entering technical bull market territory (defined as a 20%+ rise from a recent low) as of mid-August 2026.
- • The index plummeted nearly 40% from its June 22 peak of 9,114.55 to a July 30 trough of approximately 5,663–6,023, driven primarily by selling in Samsung Electronics and SK Hynix, which accounted for 71% of the Kospi's losses during the rout.
- • Samsung Electronics and SK Hynix have powered the rebound, closing 5–6% higher on the Thursday rally, as artificial intelligence-driven demand for memory chips and favorable valuations (forward P/E multiples of 8.8x for 12 months and 7.8x for 24 months) support renewed investor interest.
- • Macquarie Capital analysts attribute July's steep decline to investor positioning and fund flows rather than fundamental deterioration, noting that foreign and institutional selling has stabilized since late July and margin financing remains at reasonable levels.
- • August volatility has moderated significantly, with the Kospi up 3.3% month-to-date, signaling potential for sustained upside if AI-driven memory chip demand continues to support semiconductor heavyweights.
Summary
South Korea's benchmark Kospi index has executed a dramatic reversal, entering technical bull market status just two weeks after one of its most severe selloffs on record. The index closed Thursday approximately 22% above its July 30 nadir, meeting the widely accepted definition of a bull market. This marks a striking turnaround from the June-July period, when the Kospi collapsed nearly 40% in just 39 days, dropping from an intraday peak of 9,385.59 on June 19 to 6,023.66 on July 28—a decline amplified by severe losses in the index's two heaviest components.
The volatility stemmed from concentrated exposure to Samsung Electronics and SK Hynix, which together accounted for 71% of the Kospi's losses during the rout. Both semiconductor giants fell approximately 48% compared with a 26% decline for the broader market. According to Macquarie Capital analysts, this steep sell-off appeared driven more by investor positioning, margin call liquidations, and fund flow dynamics than by fundamental deterioration in earnings or market conditions. The bank's research suggests foreign and institutional selling has stabilized since late July, while margin financing levels have returned to reasonable ranges—factors that Macquarie's team interpreted as signals that "the volatility is over."
The rebound has been powered by renewed enthusiasm for artificial intelligence and memory chip demand. Samsung Electronics and SK Hynix closed 5–6% higher on Thursday's rally as investors repositioned toward semiconductor exposure benefiting from AI infrastructure buildouts. Macquarie's analysts expect both firms to lead the near-term recovery, supported by surging AI-driven demand for memory chips. Korean equities also present attractive valuation entry points, with forward price-to-earnings multiples standing at 8.8x for the next 12 months and 7.8x for 24 months—levels significantly below developed-market peers.
August conditions have remained substantially calmer than July, with the Kospi advancing 3.3% month-to-date, suggesting the violent swing trading and forced liquidations that characterized the prior month may have run their course. While technical bull market status does not guarantee sustained rallies, the stabilization in fund flows, normalization of margin levels, and fundamental support from AI-driven semiconductor demand provide a more constructive backdrop for institutional positioning going forward.
The volatility stemmed from concentrated exposure to Samsung Electronics and SK Hynix, which together accounted for 71% of the Kospi's losses during the rout. Both semiconductor giants fell approximately 48% compared with a 26% decline for the broader market. According to Macquarie Capital analysts, this steep sell-off appeared driven more by investor positioning, margin call liquidations, and fund flow dynamics than by fundamental deterioration in earnings or market conditions. The bank's research suggests foreign and institutional selling has stabilized since late July, while margin financing levels have returned to reasonable ranges—factors that Macquarie's team interpreted as signals that "the volatility is over."
The rebound has been powered by renewed enthusiasm for artificial intelligence and memory chip demand. Samsung Electronics and SK Hynix closed 5–6% higher on Thursday's rally as investors repositioned toward semiconductor exposure benefiting from AI infrastructure buildouts. Macquarie's analysts expect both firms to lead the near-term recovery, supported by surging AI-driven demand for memory chips. Korean equities also present attractive valuation entry points, with forward price-to-earnings multiples standing at 8.8x for the next 12 months and 7.8x for 24 months—levels significantly below developed-market peers.
August conditions have remained substantially calmer than July, with the Kospi advancing 3.3% month-to-date, suggesting the violent swing trading and forced liquidations that characterized the prior month may have run their course. While technical bull market status does not guarantee sustained rallies, the stabilization in fund flows, normalization of margin levels, and fundamental support from AI-driven semiconductor demand provide a more constructive backdrop for institutional positioning going forward.
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