00:27한국국토정보공사
00:31Leveraged single-stock ETF volume is down more than 90% in two trading days.
00:37It's Tuesday, August 4. Here's what today's story could mean for the Korean market.
00:43Samsung Electronics and SK Hynix each fell about 8.8% on August 3, giving back much of a rally
00:50that had pushed both stocks up nearly 18% just three sessions earlier.
00:55The Cosby's 5.12% drop was steep enough to raise questions about circuit breakers, but no sell-side sidecar
01:03was triggered.
01:04The pullback came alongside tighter deposit rules on leveraged single-stock ETFs and a fresh credit rating review tied to
01:12the SK Siltron acquisition.
01:14Here's what the numbers show. The Cosby fell 338.00 points, or 5.12%, to 6,257.45, while the
01:26Cosdac rose 2.44% to 737.35 and triggered a buy-side sidecar.
01:34Foreign and institutional investors sold 2.8429 trillion won and 1.9477 trillion won respectfully, and retail investors bought 4
01:45.6531 trillion won to absorb nearly all of it.
01:49Samsung Electronics fell 8.76%, and SK Hynix fell 8.79%, while Samsung Electro Mechanics rose 3.42%, and Hyundai
02:02Motor gained 1.29%.
02:04Regulators raised the minimum deposit on single-stock leveraged and inverse ETFs to 30 million won on July 31st.
02:12Combined trading volume in the 16 related Samsung and SK Hynix products has since fallen 58.6% day-on
02:21-day and roughly 90% versus pre-rule levels.
02:25Nice Investors Service put SK Siltron's A-plus rating on downgrade watch after Doosan completed its acquisition, citing weaker odds
02:34of group support.
02:36Cosdac active ETFs underperformed their own benchmarks by up to 18.55% over one month, despite charging higher fees
02:45than passive funds.
02:46So what does this mean for traders positioning today?
02:50Earlier, we said no sidecar triggered despite the 5% COSPI drop.
02:55Here's what that actually means for you.
02:57The lack of a circuit breaker event, combined with retail absorbing nearly all institutional selling, suggests this looks more like
03:05profit-taking after last week's spike than panic liquidation.
03:09The SK Siltron credit watch is a name-specific event tied to ownership change, not a sector-wide semiconductor signal,
03:16worth tracking separately from the broader chip trade.
03:19With leveraged single-stock ETF volume down sharply, price discovery in those wrappers may be thinner than usual, which is
03:28a factor for anyone using them intraday.
03:30Whether Samsung Electronics and SK Hynix stabilize or extend losses in Tuesday's session after Monday's 8.8% drop.
03:40Nice's final rating decision on SK Siltron following its downgrade review.
03:45Options expiry and program trading flows given continued volatility in large-cap semiconductor names.
03:52That's today's AI Prism, stock investors.
03:56This episode was produced with AI assistance based on Seoul Economic Daily reporting and reviewed by a human editor.
04:04AI Prism is a Juan Ifra award-winning series.
04:07We'll be back tomorrow.
04:09You've been listening to AI Prism from Seoul Economic Daily.
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