Korea Margin Rules Tighten, Sparking $100M+ Shift from Leveraged to Spot ETFs

Stricter cash-margin mandates trigger rapid portfolio rebalancing, with retail investors dumping leveraged Tesla and Micron products for spot equivalents amid regulatory backlash.

Woofun AI reports that South Korean regulators advanced the implementation of stricter margin rules to July 31st, raising the base requirement for single-stock leveraged products from 10 million KRW to 30 million KRW in pure cash. This change eliminates the use of securities as collateral and applies to both domestic and foreign instruments. Consequently, retail investors rapidly adjusted positions, shifting capital from leveraged ETFs to spot markets. Tesla’s 2x leveraged product, TSLL, swung from a $14.

58 million net inflow on August 3rd to a $7.11 million net outflow on August 4th, while its spot market absorbed $42.30 million in net inflows. Similar patterns emerged for Micron and SanDisk, where leveraged products saw net outflows of $15.98 million and $33.74 million respectively, contrasting with $148 million and $145 million in spot inflows. Investors criticized the move as excessive intervention, arguing it places Korean participants at a competitive disadvantage globally.