benchmark
KOSPI (Korea Composite Stock Price Index) is the benchmark stock market index tracking all common shares listed on South Korea's Korea Exchange.
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SK hynix accounted for 12 trillion won of the 20.3 trillion won that foreign investors sold net on the KOSPI between Sept. 1 and Oct. 2. With Samsung Electronics included, two memory makers carried about 85% of it, leaving little foreign selling for the rest of the market.
Reality
Seoul's Southern District Court voided the Korea Exchange's market-cap delisting rule, freezing two removals as about 30 KOSDAQ firms face the same test. Until the exchange adds a right of objection, any removal on market value alone is likely to end up before a judge.
Reality
Korea's licensed crypto exchanges lost 78% of operating income and a third of their combined market capitalization in H1 2026, a regulator survey shows. Bitcoin fell by the same third over the half, so the case for an exodus to offshore leverage has to rest on won deposits and turnover, figures that fit a move into Korean stocks just as well.
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Korea's Financial Services Commission is reviewing an exemption from Scope 3 reporting, due from 2031, for companies outside high-carbon industries. The rules reach only large KOSPI issuers, so the carve-out would spare a subset of them the supplier-data work that companies rank as the hardest part of disclosure.
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Samsung Electronics has finished buying back 53.8 million of its own shares, 100.96% of the plan it began in August. Its stock now goes into next week's preliminary third-quarter results with no company purchases in the market.
Reality
KOSPI rose 1.95% to 6,971.35 on October 1 as Korea's September chip exports hit a record $60.3 billion, reversing a yield-driven early dip. The session shows chip news can beat US rate pressure for a day. How long it can keep doing so depends on how long the memory shortage lasts.
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Korea Securities Depository will accept government bonds at up to 98% of value as settlement collateral from late September, ending an all-cash deposit rule. How much foreign equity funds save depends on a daily ratio for stocks and on a second step that starts next month.
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Korean investors put $477 million into two defensive US ETFs in September, nearly three times the $168 million sent to a triple-leveraged chip fund. Their $589 million of net buying covers about 7.5% of the $7.8 billion rise in US holdings since August, so price gains account for the rest.
Reality
Institutions net-bought 4.71 trillion won of KOSPI shares in the six sessions before Chuseok, 59% of it in Samsung Electronics. Retail and foreign holders sold into the 6.85% rise, so Samsung's preliminary results now test whether a bet that narrow holds the index above 7,000.
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Tway Holdings came back from suspension at 907 won after the Korea Exchange flagged it for holding a market value under 30 billion won for 30 sessions. On the day of that flag it guaranteed a credit line for an affiliate.
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Celltrion Healthcare's 1.0088 trillion won in 2017 still stands alone, and Yanolja, Viva Republica and Galaxy Corporation are all pursuing US listings while KOSDAQ turnover runs at less than half January's.
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The Korean manager's second ETF lists next month with SK hynix and Samsung Electronics at 15% apiece, half the 60% it must keep in domestic stocks. The discretion it is selling sits in the eight suppliers around them.
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Of 1,548 caution and risk designations since 2022, prices were lower 20 trading days later in 1,050 cases and down more than 30% in 398, while individuals were net buyers of 13 of the 41 stocks flagged in August.
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Police opened 3,506 investigations into chatroom stock-tip fraud in the first half of 2026, 4.1% more than a year earlier. Reported losses rose 19.8% to about $250 million. The difference shows up in the average case.
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The Bank of Korea's September policy report puts the two chipmakers at nearly half the Kospi's market value. It warns that daily rebalancing in leveraged products can carry price moves between Hong Kong and Seoul.
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KRX scrapped 10-minute single-price matching for continuous trading between 4 p.m. and 8 p.m., and on the first day the biggest movers round-tripped, with Hanwha Galleria finishing about 0.9% below its regular-session close.
Reality
Core CPI at 0.3% for August pushed futures to 86% from 69% on a September Fed hike, and Seoul's open took SK hynix down 5.24% to 1.717 million won. Philadelphia's semiconductor index had closed 1.81% higher on the 11th.
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Individuals net sold 459.8 billion won across five semiconductor ETFs in the first eleven days of September and put 90.1 billion won into the gold, nuclear, battery and power funds credited with the rotation.
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The KOSPI closed at 6,909.91 on the 11th, back below 7,000 but still up 3.33% for the week, and the memory names that led the advance fell again in New York on a day Brent dropped 2.81%.
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Unpaid principal at Korea's ten largest brokerages rose 5.1 times to 37.79575 billion won over seven months, a sum equal to less than a tenth of a percent of the record 38.6328 trillion won margin book behind it.
Reality
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