South Korea raises the minimum margin requirements for chip leveraged ETFs, and bans the listing of new single-stock leveraged products.

According to Bitget market data, during the late trading session of Hong Kong stocks after South Korean equity markets closed, Hong Kong-listed Southern 2x Long SK Hynix and Southern 2x Long Samsung leveraged ETFs saw their losses widen, both falling by over 20%. Today, South Korea’s SK Hynix closed down 11.53%, while Samsung Electronics ended the day 8.77% lower.

According to market data from BIT (bit.com), pre-market trading in US-listed storage chip-related stocks saw broad declines: SK Hynix ADR fell around 5%. South Korea today announced it will raise the minimum margin requirement for chip-focused leveraged ETFs and ban the listing of new single-stock leveraged products. TSMC dropped roughly 2% after reporting its Q2 financial results earlier today, which showed strong performance alongside an upward revision to its capital expenditure forecast for the next three years. SanDisk fell about 4%, Western Digital fell around 4%, and Seagate Technology declined approximately 3%.

According to market data from BIT (bit.com), the US S&P 500 mini futures index fell 0.2%, the Nasdaq 100 futures index dropped 0.6%, and the Dow Jones futures index declined 0.1%.

South Korea’s second-largest cryptocurrency exchange Bithumb will delist Gracie (GRACY), Tottenham Hotspur (SPURS), GTX (ZTX), With (WIKEN), and StepApp (FITFI) on August 18, 2026.

According to Hyperinsight monitoring, as of press time, SK Hynix’s US-listed ADR (SKHY) on Hyperliquid trades at $166.31, while its South Korean-listed stock (SKHX) stands at $1234.10. Calculated based on 0.1 South Korean underlying shares per SKHY ADS, the ADR premium has widened to 34.8%. Two top convergence whales previously tracked are still betting on the spread narrowing, holding a combined bilateral position of ~$13.694 million with a total unrealized loss of ~$356,000: - Address starting with 0xf51: 10x full-position long on 2,624.9 SKHX, 5x isolated short on 17,038 SKHY, bilateral size ~$6.073 million, net unrealized loss ~$517,000; - Address starting with 0x257: 10x isolated long on 1,993.9 SKHX, short on 31,025 SKHY, bilateral size ~$7.621 million, net unrealized profit ~$161,000. The funding fee structure has changed since yesterday. The hourly funding rate for SKHX is now ~-0.00706%, and for SKHY it is ~-0.00354% — both negative. Under the convergence pair, SKHX long positions now earn fees, while SKHY short positions continue to pay fees. Based on current positions, address 0xf517 is now net collecting ~$128 per hour, temporarily ending the earlier "mutual payment" state. Taking TSMC as a reference: TSM on Hyperliquid trades at $410.35, while its Taiwan-listed underlying stock closed at NT$2,470. Calculated at an exchange rate of 1 USD = 32.19 TWD and 5 underlying shares per ADR, TSMC’s ADR premium is ~7.0%, making SK Hynix’s current premium roughly 5 times that. Earlier news: Measuring SK Hynix’s ADR high premium against TSMC, $3.24 million convergence positions still paid mutual funding fees — HyperInsight Bot is now live. Add @HyperInsightBot to your Telegram group and set it as admin (enable message sending permission) to automatically sync on-chain news.

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