The Bank of Korea has aligned itself with regulatory warnings, issuing a risk alert concerning single-stock leveraged exchange-traded funds tied to Samsung Electronics Co., Ltd. and SK hynix. The central bank expressed concerns that these products could amplify market volatility and exacerbate the excessive concentration of the South Korean stock market in a handful of semiconductor stocks.
In a written response on Sunday to an inquiry from opposition lawmaker Park Sung-hoon, the Bank of Korea stated that these leveraged ETFs could reinforce one-sided trading behavior, potentially intensifying market fluctuations when investors collectively rush in or out. The bank warned that significant stock price declines could lead to ETF redemptions and portfolio rebalancing, magnifying losses for retail investors and potentially triggering broader market instability.
Shift in Regulatory Tone and Stance
This latest statement marks a notably firmer stance compared to the language used in the central bank's Financial Stability Report on June 24. At that time, the bank had suggested such products could help attract foreign investment and curb capital outflows.
With the Bank of Korea now publicly voicing similar concerns, discussions among financial regulators about tightening investment thresholds for single-stock leveraged ETFs are expected to gain momentum.
In its written response, the central bank pointed out that as semiconductor industry profits improve, the concentration of the domestic stock market in a few chip stocks continues to rise. Samsung Electronics Co., Ltd. and SK hynix together account for over half of the South Korean stock market's total market capitalization and trading volume. The existence of single-stock leveraged ETFs could further intensify this concentration risk.
This position contrasts sharply with the view presented in the June 24 report, which cited the government's original intent for the products, suggesting they "help provide domestic alternatives, curb capital outflows, and attract foreign investment into Korea." The more forceful wording of the latest warning signals a significant shift in the central bank's stance.
Rapid Product Growth Fuels Market Concerns
On May 27 this year, South Korean financial authorities approved the country's first batch of single-stock leveraged ETFs, permitting local securities firms to launch 16 products linked to the two tech giants as part of government efforts to revitalize the domestic capital market. Unlike traditional leveraged ETFs that track broad indices like the KOSPI 200 or S&P 500, these products offer investors leveraged exposure to individual stocks, with daily price movements designed to be twice that of the underlying share.
Boosted by the artificial intelligence-related chip rally, these products quickly gained popularity among investors. In June alone, 14 leveraged ETFs recorded a combined trading volume of 212 trillion won (approximately $1.386 trillion USD), accounting for 26.6% of total ETF trading volume during that period.
Analysts note that since May, fund inflows into 2x long leveraged ETFs in South Korea have surged dramatically, far exceeding inflows into other leveraged ETFs and regular market ETFs. Historical patterns offer a cautionary note: during periods of market peaks followed by sustained declines in 2017 and 2021, leveraged ETF assets under management continued to rise against the trend, a pattern that bears a strong resemblance to the current situation.
To maintain their target leverage ratios, these ETFs typically buy when share prices rise and sell when they fall. This inherent mechanism has a pro-cyclical nature, which could reinforce price volatility in the market.
Heightened Expectations for Tighter Regulation
The governor of the Financial Supervisory Service, Lee Chan-jin, had already expressed personal regret over approving these products during a press conference on June 22. "We pushed forward too hastily at the time," Lee Chan-jin said. "Looking back, I regret approving these products. Perhaps I should have done everything in my power to prevent their approval."
Financial authorities are currently studying specific measures to tighten investment thresholds for single-stock leveraged ETFs. The Bank of Korea's public statement is expected to add stronger impetus to these discussions, further heating up expectations for stricter regulation.
This regulatory controversy coincides with market focus on Samsung Electronics Co., Ltd.'s second-quarter earnings, scheduled for release this Tuesday. Recent stock price volatility for both Samsung Electronics Co., Ltd. and SK hynix has increased noticeably. Market observers suggest that better-than-expected earnings could reignite optimism for the chip sector and further boost investor appetite for semiconductor-related investment products.
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