[Caitong Strategy Xu Jinfeng Team | QJC] Korea Stock Index & Retail Investor Margin Tracking - 0728

English summary

1. On July 28, 2026, affected by Nvidia's latest $750B 'revolving financing' and rising expectations of a Fed rate hike at Wednesday's meeting, the US storage sector fell overnight. South Korea's KOSPI saw intensified panic today, with a daily change of -10.84%, the largest drop since March 4, and a near -30% change since July. Relative to the June 1 baseline of about 69, it fell sharply from the previous trading day's 77. 2. On July 28, 2026, South Korean financial regulators plan to strengthen controls. If overheating in single-stock leveraged products does not subside, additional regulatory measures such as retail investment caps will be introduced, potentially limiting retail investment in single-stock leveraged products to within 20% of their total financial investment. Meanwhile, the Korea Exchange activated the SIDECAR mechanism on the same day, suspending program selling in KOSPI. 3. On July 27, 2026, forced liquidation amounts as a proportion of receivables were 2.2%, up 1.4pct from the previous trading day's 0.8%; ...