CSOP KOSPI 200 ETF (03121.HK) Rises 3.81% as Korean Exchange Triggers Sidecar to Halt Program Buying

NewTimeSpace News: As of 11:29 on October 21, CSOP KOSPI 200 ETF (03121.HK) stood at HKD 5.590, up 3.81%. The ETF opened at HKD 5.700, with the latest net asset value (NAV) at HKD 5.399, a discount of 0.26%, a 52-week high of HKD 8.210, a 52-week low of HKD 4.950, a turnover of approximately HKD 14.27 million, and assets under management of approximately HKD 557 million.

On the news front, on the morning of October 21, the Korea Exchange triggered the Sidecar mechanism after KOSPI 200 index futures rose 5%, suspending program buying for 5 minutes. Earlier, the KOSPI index had widened gains beyond 4%, with SK Hynix up over 7% and Samsung Electronics up nearly 7%. The sharp rebound in Korean equities was directly supported by strong earnings catalysts from the U.S. AI supply chain overnight.

After the U.S. market close on October 20, Super Micro Computer released preliminary results, guiding September-quarter revenue of USD 18.5–19.5 billion, roughly 27% above its prior guidance, with the midpoint implying year-on-year growth of 279% and gross margin rising to 12%–12.5%. Separately, SpaceX reported Q3 2026 results, with its AI (Superintelligence, SI) segment generating USD 7.56 billion in revenue, up 830% year-on-year and becoming the company's largest revenue source for the first time; total revenue reached USD 14.58 billion, up 161% year-on-year, marking the company's first profitable quarter. Elon Musk said on the earnings call that the superintelligent compute shortage will persist long-term, and the payback period for compute investment could shorten to as little as six months next year. The two better-than-expected earnings releases jointly rekindled market confidence in the sustainability of the AI trade, providing direct sentiment and fundamental support for Asian semiconductor heavyweights.