Why was it exactly 2 PM? The scary trade that created today's decline... Can't we respond in advance? | Myeong Min-jun, Park Ga-young, Yu Yeong-hwa

Why was it exactly 2 PM? The scary trade that created today's decline... Can't we respond in advance? | Myeong Min-jun, Park Ga-young, Yu Yeong-hwa [Stock Beginner Rescue Team]
Watch on YouTube ↗  |  September 03, 2026 at 12:30  |  58:24  |  3PRO TV (삼프로TV)
Speakers
Yu Yeong-hwa — Deputy Department Head, KB Securities
Myung Min-jun — Host

Summary

The video analyzes the exact 2 p.m. KOSPI drop, concluding it was likely foreign algorithmic basket selling across Korea, Taiwan, and Japan triggered by yen strength and BOJ tightening fears. Yu Yeong-hwa from KB Securities explains that thin local liquidity, derivative arbitrage, and high global rates leave Korean equities vulnerable and merit monitoring yen, Treasury yields, and fiscal buybacks. He favors defensive Korean financials such as insurers and banks over securities, watches Samsung Electronics and SK hynix based on US AI model share, and recommends not holding a full equity position.

  • At 2 p.m., KOSPI plunged about 1.8% in 27 minutes, with institutions selling cash while buying futures during a basis collapse.
  • The drop matched Nikkei and Taiwan TAIEX, pointing to programmed foreign selling of an Asia equity basket.
  • Yen strength after JGB 10-year yields above 3% and BOJ 50bp hike talk likely triggered the algorithmic selling.
  • Yu sees money and high interest rates as the biggest bottleneck and advises watching US 10-year Treasury yields and upcoming employment, CPI, and FOMC events.
  • He would not run 100% stock exposure now and prefers adjusting equity weight over stock-picking.
  • In Korean financials, he ranks insurance first, banks second, and securities third, citing Shinhan Financial Group strength and Kiwoom Securities weakness.
  • Samsung Electronics and SK hynix are tied to Anthropic and OpenAI market share, so Anthropic IPO and Chinese model competition are key monitors.
  • Hyperscaler corporate bond issuance is crowding out Treasuries and remains attractive to bond investors.
Ideas
Yu Yeong-hwa Deputy Department Head, KB Securities 3:19
Watch Asia basket algorithmic selling.
The 2 p.m. KOSPI drop was not a domestic-only event; Japan and Taiwan moved the same way. The most likely cause was foreign algorithmic selling of a Korea-Taiwan-Japan equity basket, with local derivative arbitrage then amplifying the cash selloff. Investors should treat this as a recurring risk and monitor the Asia basket response instead of panic selling on unexplained sharp drops.
Yu Yeong-hwa Deputy Department Head, KB Securities 7:03
Watch yen strength as trigger.
The trigger behind the selling was likely yen strength. Japan's 10-year JGB yield has broken above 3%, and BOJ 50bp rate-hike chatter pushed the yen from around 164 to 156, activating yen-carry or NK-trade liquidation. Yu says he does not think a full NK trade occurred today but says this mechanism must be monitored around the 159-157 area.
Yu Yeong-hwa Deputy Department Head, KB Securities 26:25
Watch Treasury yields for risk signal.
The key macro variable is the US 10-year Treasury yield. Treasury issuance, hyperscaler bond supply, Fed uncertainty, and inflation worries keep long rates elevated; buybacks are only temporary and yields are unlikely to fall all the way to 4.5. He argues investors should watch rates and wait for weak employment, lower CPI, and FOMC signals that the money bottleneck is easing before adding risk.
Yu Yeong-hwa Deputy Department Head, KB Securities 29:17
Hyperscaler bonds beat Treasuries.
Hyperscaler corporate bonds yielding about 5.5-5.6% are more attractive than 10-year Treasuries and carry strong credit, so bond investors have little reason to buy government debt; this corporate issuance is crowding out Treasury demand and contributing to upward pressure on long rates.
Yu Yeong-hwa Deputy Department Head, KB Securities 47:25
Watch AI share for memory stocks.
Samsung Electronics and SK hynix now move with Anthropic and OpenAI market share. If OpenAI takes share from Anthropic, it is not a severe issue because both are core Korean semiconductor customers, but if Chinese open-weight models take AI share, that is a negative since those are not major Korean memory buyers. The Anthropic IPO and third-quarter AI model share data are therefore key watch items for these two stocks.
Yu Yeong-hwa Deputy Department Head, KB Securities 51:44
Prefer insurers and banks over securities.
Current tight money and thin trading volumes favor financial groups that benefit from expensive money and defensive institutional allocation. Yu ranks Korean insurance first, banks second, and securities last; Shinhan Financial Group is making new highs, while Kiwoom Securities has broken moving averages and is resting near its 520-day line because retail trading volume has collapsed.
Yu Yeong-hwa Deputy Department Head, KB Securities 51:44
Prefer insurers and banks over securities.
Current tight money and thin trading volumes favor financial groups that benefit from expensive money and defensive institutional allocation. Yu ranks Korean insurance first, banks second, and securities last; Shinhan Financial Group is making new highs, while Kiwoom Securities has broken moving averages and is resting near its 520-day line because retail trading volume has collapsed.
Up Next

This 3PRO TV (삼프로TV) video, published September 03, 2026, features Yu Yeong-hwa discussing EWY, N225, Taiwan TAIEX, FXY, USD/JPY, US10Y, US Hyperscaler Corporate Bonds, 000660.KS, 005930.KS, Korean Insurance Sector, KBE, 055550.KS, Korean Securities Sector. 7 trade ideas extracted by AI with direction and confidence scoring.

Speakers: Yu Yeong-hwa  · Tickers: EWY, N225, Taiwan TAIEX, FXY, USD/JPY, US10Y, US Hyperscaler Corporate Bonds, 000660.KS, 005930.KS, Korean Insurance Sector, KBE, 055550.KS, Korean Securities Sector