CLSA Securities Korea data point putting it as high as 73 percent.

CLSA Securities Korea data point putting it as high as 73 percent.

The mechanics behind this are worth understanding because they explain why this number got so large so fast. These single-stock leveraged and inverse ETFs, sixteen products tracking twice the daily return of Samsung and SK Hynix, only launched on May 27. Within about a month, assets under management jumped from roughly $3 billion at inception to around $9.1 billion, and 92 percent of holders are individual retail investors, known locally as "ants." Retail traders net purchased about $8.2 billion worth of these products in their first month alone, representing 63 percent of all retail ETF buying across the entire market during that stretch.

The volatility amplification mechanism is genuinely mechanical and predictable. To maintain a constant 2x leverage ratio, fund managers have to buy more of the underlying stock when it rises and sell more when it falls, every single day at rebalancing. On June 23, when Samsung fell 12.31 percent and SK Hynix fell 12.47 percent in their worst single-day showing since the 2008 financial crisis, sending KOSPI down nearly 10 percent, Bloomberg Intelligence estimated fund managers mechanically sold around $6 billion worth of these two stocks just to rebalance the leveraged products, directly deepening that day's crash. The country's own volatility gauge, VKOSPI, has jumped from an average of 53 before these products launched to nearly 89 now.

There's also a structural quirk unique to the Korean market making this worse, individual stock futures in Korea keep trading until 3:45pm, fifteen minutes after the ETFs and underlying stocks themselves stop at 3:30. That gap has produced strange pricing artifacts, on one occasion SK Hynix's leveraged ETF ended up trading at a 6-7% premium to its own NAV because futures kept moving in the final minutes after the ETF itself had already stopped.

The regulatory response has been notably reactive rather than preventive so far. The Financial Supervisory Service's own governor has publicly expressed regret over what he called rushed approvals, and an opposition lawmaker has called for the products to be delisted entirely, but no concrete remedial measures have been announced yet. Fund performance has been genuinely brutal too, all fourteen of the original single-stock leveraged products are posting average losses of nearly 27 percent since launch, a reminder that leveraged products decay mathematically even in choppy, directionless markets, a stock that drops 10 percent and then rises 10 percent doesn't return to breakeven for a 2x product.

For anyone tracking Korean semiconductor exposure or leveraged product risk more broadly on Gate, the key thing to watch is whether regulators actually move beyond expressing regret into real restrictions, position limits, tighter margin rules, or delisting some products, since as it stands, this concentration means Samsung and SK Hynix's daily price action isn't just reflecting fundamentals anymore, it's being mechanically amplified by the very products built to bet on it, in both directions.

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