South Korea becomes the world’s AI trading “pressure cooker”: 50 billion leveraged ETFs intensify volatility, Asia’s hardware supply chain faces a fundamental test

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The core pressure of global AI trading is being concentrated and released in the Korean market. The KOSPI index is experiencing intense volatility, leveraged ETF assets have swelled to $50 billion, and the derivatives market structure is becoming fragile—Korea has evolved into the high-leverage version of the global AI narrative, and the risk of its localized pressures developing into global events is rising.

The trends of KOSPI and the Nasdaq 100 index have remained highly synchronized, confirming that both share the same AI trading logic. However, volatility in the Korean market far exceeds that of US stocks: in the past month, KOSPI delivered almost zero returns, yet exhibited extreme fluctuations. As one of the world’s largest AI-themed markets, the costs of local pressure spilling over externally will far surpass those of ordinary small-cap assets.

According to JP Morgan, leveraged ETF assets linked to Korean targets have expanded to about $50 billion, with the related gamma gap possibly exceeding $1 billion. Market makers’ hedging flows are increasingly amplifying market volatility.

Meanwhile, the infrastructure of Korea’s swap market is under overload, financing costs are rising, and some investors have begun shifting to cash trading.

KOSPI: The High-Leverage Version of AI Trading

KOSPI is still above its short-term trendline and 21-day moving average, both crucial technical support levels. If the index breaks below the trendline effectively, it will likely signal that this round of correction will continue.

In terms of correlation, KOSPI and the Nasdaq 100 index move almost in tandem, both serving as market expressions of the global AI theme. The key difference: the Korean market has become the leveraged version of this trade—regardless of direction, volatility is significantly amplified.

In the past month, KOSPI’s actual return was almost zero, but it experienced extraordinarily intense two-way swings. If it were a small-cap stock, the market might overlook it; but as the world’s fifth or sixth largest stock market, its potential spillover risk is of an entirely different magnitude.

Options Market: Volatility Itself Becomes a Source of Risk

The ratio of KOSPI Volatility Index (KOSPI VIX) to US VIX has broken into extreme territory, and the degree of this imbalance is very rare.

Elevated implied volatility means option premiums are unusually expensive, so even in a sideways market, holders of long call options can suffer severe losses—the rapid decay of time value (theta burn) will erode option value, forcing investors to close out positions.

Once many investors exit simultaneously, market makers are forced into reverse hedging, further amplifying downside pressure. This feedback loop is not hypothetical. During the correction in March this year, the market experienced the same transmission mechanism.

Leveraged ETFs & Gamma Imbalance: The Double-Edged Sword of Momentum

Leveraged ETFs linked to Korean targets have grown to about $50 billion, largely a result of the market’s continued rise. As these products expand, their influence on price movements increases accordingly.

The rebalancing mechanism of leveraged ETFs is pro-cyclical: it boosts momentum in rallies, and accelerates sell-offs in downturns.

JP Morgan estimates that the current related gamma gap may exceed $1 billion, making market makers’ hedging operations an independent and non-negligible driver of market volatility.

Swap Market: Infrastructure Pressure Quietly Accumulates

Korea’s swap market is facing increasingly heavy pressure. The surge in trading activity has pushed corresponding infrastructure beyond its design capacity, resulting in consequences like: increased capital requirements, higher difficulty in hedging concentrated positions, and rising financing costs.

Some investors are shifting trades from swaps to the cash market to avoid mounting market frictions. This shift is an intuitive reflection of structural pressures in the market.

Asian AI Supply Chain: The Uptrend in Profit Margins Begins to Stall

One of the core logics supporting the Asian AI market is showing signs of loosening. The pace of upward revision for overall expected profit margins in the Asian AI hardware supply chain has slowed compared to before.

However, the capital spending growth rate of hyperscale cloud firms still far exceeds the growth rate of semiconductor equipment, suggesting that supply-side constraints can still underpin supply chain profit margins at this stage.

Risk Warning and DisclaimerThe market has risks; investment needs caution. This article does not constitute personal investment advice, nor does it consider individual users’ specific investment goals, financial situations, or needs. Users should assess whether any opinions, viewpoints, or conclusions in this article fit their particular circumstances. If you invest accordingly, you bear responsibility for the consequences. ```